{"host":"x402-niche-briefs.fly.dev","week":"2026-W44","snapshot_taken_at":"2026-10-26T13:00:11.784122+00:00","summary":{"host":"x402-niche-briefs.fly.dev","listings":133,"score":97,"grade":"A","errors":0,"warnings":47,"calls_30d":150,"payers_30d":146},"standing":{"shown":0,"of":4,"checks":[{"signal":"certified","shown":false,"detail":"No Fair Offer certification on record."},{"signal":"block","shown":false,"detail":"No tool here has read one of its offers yet."},{"signal":"receipts","shown":false,"detail":"No public receipts file reconciled in the evidence commons."},{"signal":"probe","shown":false,"detail":"No paid probe on record."}],"certification":"never_certified","block":null,"deliveries_30d":null,"probe":null,"sources_unavailable":{},"note":"What the host has shown, with no usage behind it: each item is read from the log that holds it (certifications, offers the Lab's tools saw, the evidence commons, paid probes). A missing item means nothing is on record, not that the host lacks it."},"live_check":{"week":"2026-W44","at":"2026-10-27T13:00:14.739083+00:00","reachable":true,"status":402,"latency_ms":256,"price_usd":0.01,"pay_to_addresses":1,"block":{"present":false,"valid":false},"problem":null,"security_txt":false,"changes":null,"note":"An unpaid request to the host's busiest listing, made once a week; anyone could make it."},"history":[{"week":"2026-W44","taken_at":"2026-10-26T13:00:11.784122+00:00","listings":133,"score":97,"grade":"A","errors":0,"warnings":47,"calls_30d":150,"payers_30d":146}],"evidence":null,"benchmark":null,"listings":[{"resource":"https://x402-niche-briefs.fly.dev/v1/listing-quality-teaser","description":"Top 3 x402 resources by heuristic calls-vs-unique-payers pattern score from the CDP Bazaar and PayAI catalogs, with host, resource, unique_payers, calls and wash_risk (a heuristic score, not a finding about any seller). No input. Full scored list: /v1/listing-quality ($0.01).","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":5,"payers_30d":3,"last_called_at":"2026-10-25T15:03:03.43Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/niche-brief","description":"One agent-runnable service niche brief by slug: title, buyer, first-dollar motion, as_of. Pass ?slug=<one of 11, e.g. shopify-gmc-feed-ops>. JSON. All 11 briefs: /v1/niches ($0.08). Ops notes only; no market-size claims. Unknown slug returns 404, not charged.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":3,"payers_30d":3,"last_called_at":"2026-10-24T14:07:44.771Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/product-schema-check","description":"Live check of one product page for Google Merchant Center readiness. Pass ?url=<product page>. Returns parsed schema.org Product/Offer (name, image, price, currency, availability, brand, GTIN/MPN, condition), og:price vs JSON-LD price mismatch, return/shipping markup, per-field ok/missing with GMC impact and a ready/fix_required verdict. Use before submitting a feed or appealing a price-mismatch disapproval. Not charged if the page can't be fetched.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":4,"payers_30d":2,"last_called_at":"2026-10-25T15:02:59.449Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ca-drop-cycle/section","description":"One section of the California Delete Act DROP 45-day cycle ops pack for registered data brokers: ops_checklist, intake_fields, or do_not, plus buyer, trigger and portal metadata. Pass ?section=ops_checklist|intake_fields|do_not. JSON. Full pack: /v1/ca-drop-cycle ($0.05). Ops checklist only; not legal advice. Unknown section returns 404, not charged.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":2,"payers_30d":2,"last_called_at":"2026-10-25T20:35:47.763Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/compliance-pack/domain","description":"One domain of the ecommerce compliance ops pack: Prop 65 60-day-notice SKU file, FTC click-to-cancel (ROSCA) consent audit, or packaging EPR SKU filing. Buyer, triggers, intake fields, ops checklist, do-nots. Pass ?domain=prop65|ftc-rosca-cancel|packaging-epr. JSON. Full pack: /v1/compliance-pack ($0.12). Not legal advice or certification. Unknown domain returns 404, not charged.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":2,"payers_30d":2,"last_called_at":"2026-10-24T14:07:42.39Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/cpsc-cpc-sku-map/section","description":"One section of the CPSC Children's Product Certificate / General Certificate of Conformity SKU field map (16 CFR 1110 eFiling): ops_checklist, intake_fields, or do_not, plus buyer and trigger. Pass ?section=ops_checklist|intake_fields|do_not. JSON. Full pack: /v1/cpsc-cpc-sku-map ($0.08). Client attests; broker files. Ops checklist only; not legal advice. Unknown section returns 404, not charged.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":2,"payers_30d":2,"last_called_at":"2026-10-25T20:45:52.209Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/listing-quality","description":"Heuristic calls-vs-unique-payers pattern score for the top x402 resources in the CDP Bazaar and PayAI catalogs: per resource price_usdc, unique_payers, calls, wash_risk (low/medium/high) and a reason. No input. A heuristic signal for due diligence before spending, not a finding about any seller. Cached 15 minutes.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":2,"payers_30d":2,"last_called_at":"2026-10-24T14:07:43.801Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/mocra-listing-gap/section","description":"One section of the FDA MoCRA Cosmetics Direct facility + SKU listing gap pack (5066/5067 path): ops_checklist, intake_fields, or do_not, plus buyer and trigger. Pass ?section=ops_checklist|intake_fields|do_not. JSON. Full pack: /v1/mocra-listing-gap ($0.06). Do not sign as responsible person. Ops checklist only; not legal advice. Unknown section returns 404, not charged.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":2,"payers_30d":2,"last_called_at":"2026-10-25T20:45:53.722Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/niche-catalog","description":"Catalog summary preview of the 11 agent-runnable service niche briefs: per niche slug, title, target buyer and as_of date. Pass ?category=all|ecommerce|compliance|b2b. JSON. Use to pick a slug before calling /v1/niche-brief?slug= ($0.01) or the full 11-brief pack with first-dollar motions at /v1/niches ($0.08). Ops notes only; no market-size claims. Unknown category returns 404, not charged.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":2,"payers_30d":2,"last_called_at":"2026-10-25T20:45:55.556Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/store-policy-check","description":"Live storefront check for Google Merchant Center misrepresentation triggers. Pass ?url=<store domain or homepage>. Finds return/refund, shipping, privacy, terms and contact pages (homepage links plus common Shopify paths), email/phone signals, HTTPS and platform hint, and returns missing items with a low/medium/high misrepresentation risk. Use before a GMC review or appeal. Not charged if the store can't be fetched.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":2,"payers_30d":2,"last_called_at":"2026-10-24T14:12:44.45Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/suspension-pack/platform","description":"One platform section of the suspension appeal intake pack: buyer, common policies, intake fields, evidence checklist, do-nots and first-dollar motion. Pass ?platform=google-ads|shopify-gmc|tiktok-shop-ahr|etsy. JSON. Full 4-platform pack: /v1/suspension-pack ($0.12). Ops checklist only; not legal advice; no reinstatement guarantee. Unknown platform returns 404, not charged.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":2,"payers_30d":2,"last_called_at":"2026-10-24T14:12:46.125Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/3pl-fee-comparator","description":"Monthly 3PL cost for two fee schedules.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:47.367Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 39 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/abc-xyz-inventory-classifier","description":"Classify SKU by revenue share and demand variability (CV).","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:57.367Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 58 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/adcvd-risk-screener","description":"Screen product/origin against common AD/CVD order families.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:31.306Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 59 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/affiliate-cookie-stuffing-detector","description":"Flag anomalies in affiliate click-to-conversion metrics.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:32.378Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 56 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/air-vs-ocean-breakeven","description":"Compare air vs ocean including inventory carrying cost of transit days.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:18.575Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-aplus-content-validator","description":"Validate A+ module image sizes, text length and prohibited claims.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:41.897Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-brand-registry-tm-check","description":"Check trademark status eligibility for Brand Registry.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:45.245Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 54 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-fbm-late-shipment-calc","description":"Compute LSR, cancel rate and VTR vs Amazon targets.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:48.424Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 51 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-hazmat-dg-classifier","description":"Predict FBA hazmat review and required docs.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:01.248Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 44 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-ipi-storage-limit-calc","description":"Estimate FBA capacity headroom and overage fee from IPI and cubic feet.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:38.769Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-ppc-acos-breakeven","description":"Break-even ACOS, current ACOS/TACOS and ROAS.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:54.926Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 45 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-restricted-keywords","description":"Amazon Seller Central ASIN suppression keyword linter for FDA DSHEA disease claims, EPA FIFRA pesticide triggers, and OTC drug flags. Pass ?category=supplements|topicals|electronics|home_goods (default supplements) & optional ?text=<bullet/title copy>. Returns matched trigger words, suppression cause, compliant structure/function rewrites, and TIC lab docs.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:32.054Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-subscribe-save-margin","description":"Margin after S&S discount tiers.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:58.191Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 32 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/amazon-vine-roi-estimator","description":"Estimate Vine enrollment cost and break-even incremental units.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:51.76Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/apple-iap-guideline-311-check","description":"Check whether digital goods must use In-App Purchase.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:03.331Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 53 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/australia-accc-mandatory-standards-check","description":"ACCC mandatory safety/information standards by category.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:04.475Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 56 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/b2b-agent-service-ideas","description":"Structured blueprints for high-utility deterministic B2B agent & x402 microservices. Pass ?domain=ecommerce_ops|compliance_linting|supply_chain|ad_creative_qa (default ecommerce_ops). Returns target buyer personas, exact GET input/output JSON contracts, $0.01 CDP pricing rationale, and x402 seller design rules.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:35.532Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/bestbuy-marketplace-category","description":"Best Buy Marketplace (Mirakl) category acceptance and commission.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:38.827Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/bom-cost-rollup","description":"Roll up material, labor and overhead with scrap.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:10.036Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 48 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/bopis-margin-calc","description":"Compare BOPIS vs ship-to-home margin incl. add-on purchases.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:22.575Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/bullwhip-effect-scorer","description":"Order variance amplification ratio.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:03.832Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 35 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/bundle-pricing-optimizer","description":"Deterministic 1-pack / 2-pack / 3-pack DTC bundle pricing & shipping-amortization calculator. Pass ?anchor_price_usd=24.00&unit_cogs_usd=4.50&shipping_usd=5.00. Returns compare-at price, bundle discount price, processing fee, net contribution dollars/margin per tier, and extra CPA headroom unlocked by multi-packs.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:26.07Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ca-ab1200-cookware-pfas-check","description":"CA AB 1200 cookware disclosure, AB 1817/AB 2273 PFAS limits.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:29.686Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ca-sb54-packaging-epr-check","description":"SB 54 producer responsibility, PRO membership and source-reduction obligations.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:32.985Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/canada-bilingual-cpl-label-check","description":"Consumer Packaging and Labelling Act + Quebec Charter of French language.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:01.603Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/cash-conversion-cycle","description":"CCC and cash freed by improvements.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:45.27Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 35 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ce-marking-doc-check","description":"EU CE marking, Declaration of Conformity (DoC) mandatory fields, and EU GPSR Economic Operator checklist. Pass ?directive=emc|lvd|red|rohs|toy_safety (default emc). Returns directive code, harmonized EN standards examples, Notified Body vs Module A self-declaration rules, 8 mandatory DoC elements, and 10-year retention rules. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:12.766Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/chargeback-reason-code-guide","description":"Card network dispute reason code lookup & Visa Compelling Evidence 3.0 (CE3.0) rebuttal guide. Pass ?network=visa|mastercard|amex (default visa) & ?code=10.4|13.1|13.3|4853 (default 13.1). Returns dispute definition, required compelling-evidence exhibits, CE3.0 historical-order match rules, and 3-part rebuttal letter structure.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:01.668Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/cold-chain-spoilage-risk","description":"Expected spoilage loss from excursion probability.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:53.801Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 50 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/conflict-minerals-cmrt-3tg-check","description":"Dodd-Frank 1502 / EU 2017/821 CMRT readiness check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:23.407Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 51 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/container-cbm-load-optimizer","description":"Cartons per 20ft/40ft/40HC by volume and weight.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:12.214Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 48 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/cpsc-1610-flammability-check","description":"Clothing textile flammability class pre-check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:23.69Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 46 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/cpsc-reeses-law-battery-check","description":"16 CFR 1263 compartment, warning and packaging check for button/coin batteries.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:20.446Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/cpsia-lead-phthalates-check","description":"Children's product lead (100 ppm), paint (90 ppm), phthalates (0.1%) check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:26.756Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/creator-cpa-emv-calc","description":"Cost per acquisition, CPM and earned media value.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:29.414Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 49 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/customs-bond-calc","description":"CBP bond amount and continuous vs single-entry cost comparison.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:25.426Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/de-minimis-321-eligibility","description":"US CBP Section 321 ($800 de minimis) eligibility & 2025/2026 China/Section 301 exclusion evaluator. Pass ?shipment_value_usd=180&origin=CN&subject_to_301=true. Returns Section 321 eligibility, recommended CBP Entry Type (Type 86 vs Type 11 Informal vs Type 01 Formal), anti-structuring rules, and bond/MPF checklist. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:10.692Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/dim-divisor-optimizer","description":"Billable weight across carrier divisors and box downsizing savings.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:16.39Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/dimensional-weight-calc","description":"Deterministic parcel dimensional weight vs actual billable weight calculator. Pass ?length_in=14&width_in=10&height_in=6&actual_lb=3.2&divisor=139. Compares UPS/FedEx (139 divisor) and USPS Ground Advantage (166 divisor >1 cu ft), cubic size, length+girth oversize risk, and billable weight saved by trimming carton height by 1 inch.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:16.753Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/dtc-repeat-purchase-curve","description":"Project cumulative orders per customer from repeat rate decay.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:25.998Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/duty-drawback-estimator","description":"Estimate 99% refund on unused/manufacturing/rejected drawback.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:44.307Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/early-payment-discount-apr","description":"Annualized cost of forgoing a trade discount.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:35.212Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 45 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ebay-intl-shipping-eligibility","description":"Check eBay International Shipping (eIS) eligibility.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:19.614Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 52 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ebay-promoted-listings-rate","description":"Break-even ad rate and net per sale for Promoted Listings General.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:16.41Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ebay-vero-risk-check","description":"eBay VeRO (Verified Rights Owner) intellectual-property takedown & nominative fair-use checker. Pass ?usage=compatibility_fitment|oem_replacement|refurbished|pre_owned (default compatibility_fitment). Returns safe title templates ('Compatible with [Brand]'), prohibited brand-misuse patterns, stock-photo copyright rules, and warranty material-difference traps.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:42.086Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/eoq-holding-cost-optimizer","description":"Economic order quantity and annual cost.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:00.504Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 40 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/epa-fifra-pesticide-check","description":"Classify pesticidal product: device (EST no.), treated article exemption, or registered pesticide.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:17.44Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/etsy-handmade-policy-check","description":"Etsy Creativity Standards ('Made by', 'Designed by', 'Handpicked', 'Sourced') & Production Partner disclosure checker. Pass ?role=designer|maker|curated_vintage|craft_supply (default designer). Returns eligibility rules, production-partner disclosure requirements, prohibited reselling triggers, and design-proof audit checklist.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:38.543Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/etsy-offsite-ads-fee-impact","description":"Net profit with Offsite Ads 12%/15% fee (capped $100).","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:26.521Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 54 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/etsy-star-seller-calc","description":"Check Star Seller thresholds over 3-month window.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:22.986Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 49 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/eu-ai-act-risk-classifier","description":"Classify AI use case into prohibited/high/limited/GPAI tier with obligations.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:48.561Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/eu-battery-reg-2023-1542-check","description":"Labeling, battery passport and EPR obligations by battery category.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:42.357Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/eu-eudr-deforestation-check","description":"EUDR due diligence statement and geolocation duties.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:45.416Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 52 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/eu-reach-svhc-scip-check","description":"REACH Art. 33 communication and SCIP notification above 0.1% w/w.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:36.157Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/eu-toy-safety-en71-check","description":"EN 71 test parts and Toy Safety Regulation requirements.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:51.779Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 56 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/eu-weee-registration-check","description":"Per-country WEEE register, authorized rep and crossed-bin symbol.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:39.412Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/factoring-po-financing-apr","description":"Effective APR of factoring fees.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:38.343Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 32 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/faire-net60-cashflow","description":"Payout and financing cost on Faire wholesale orders.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:47.753Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 52 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/fba-fee-margin-calc","description":"Deterministic Amazon FBA unit economics calculator. Pass ?price_usd=29.99&cogs_usd=6.50&weight_oz=12&referral_pct=15. Returns size tier, referral fee, estimated FBA fulfillment + storage fee, net pre-ad contribution ($ and %), breakeven ACOS %, breakeven ROAS, and target ACOS for a 15% net margin.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:04.636Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/fcc-part15-label-check","description":"FCC Part 15 (47 CFR 15.19 / 15.105) equipment authorization and labeling checker. Pass ?device_class=unintentional_class_b|unintentional_class_a|intentional_radiator (default unintentional_class_b). Returns SDoC vs TCB Certification path, FCC ID & modular rules, mandatory user-manual statements, US Agent / Responsible Party rules, and e-labeling rules. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:22.449Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/fda-cosmetic-inci-check","description":"FDA cosmetic labeling (21 CFR 701/740) & MoCRA adverse-event contact / INCI declaration order checker. Pass ?category=skincare|haircare|fragrance|color_cosmetic (default skincare) & optional ?claims=<marketing text>. Returns required PDP/info panels, >1% vs <=1% INCI rules, drug-claim red flags, compliant rewrites, and MoCRA checklist. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:03.656Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/fda-food-nutrition-label-check","description":"21 CFR 101.9 Nutrition Facts panel format and added-sugars %DV check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:03.796Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/fda-medical-device-510k-check","description":"Classify device pathway: Class I exempt, Class II 510(k), or general wellness.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:10.917Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/fda-prior-notice-fsvp-check","description":"Prior Notice timing and FSVP importer obligations for food imports.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:29.722Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/fda-supplement-dshea-check","description":"DSHEA structure/function claim, 30-day notification and FDA disclaimer check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:07.368Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/first-sale-valuation-savings","description":"Duty savings using first-sale price instead of middleman price.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:40.971Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ftc-energyguide-appliances-check","description":"16 CFR 305 EnergyGuide/Lighting Facts label and online disclosure check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:32.709Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ftc-green-guides-check","description":"FTC Green Guides (16 CFR Part 260) & CA SB 343 / AB 1305 environmental marketing claim checker. Pass ?claim=recyclable|biodegradable|compostable|carbon_neutral|recycled_content (default recyclable). Returns substantiation thresholds (60% access rule for recyclable, 1-year rule for biodegradable), compliant phrasing, and deceptive traps. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:09.755Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ftc-made-in-usa-check","description":"FTC Made in USA Labeling Rule (16 CFR Part 323) 'all or virtually all' standard evaluator. Pass ?us_content_pct=95&final_assembly_us=true&claim_type=unqualified|qualified. Returns risk verdict, unqualified eligibility, approved qualified claim templates ('Made in USA of U.S. and imported parts'), civil penalty notes, and BOM audit checklist. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:06.712Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/google-merchant-feed-validator","description":"Check required GMC product attributes.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:54.387Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 38 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/google-merchant-gtin-check","description":"Google Merchant Center `gtin`, `mpn`, `brand`, and `identifier_exists` feed attribute matrix. Pass ?condition=new|refurbished|custom_handmade (default new) & ?has_gtin=true|false (default true). Returns exact feed attribute values to submit, GS1 company-prefix cross-check rules, and fixes for 'Invalid value [gtin]' or 'Incorrect identifier_exists'.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:55.249Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/google-play-data-safety-validator","description":"Cross-check Data Safety form against SDK data collection.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:06.246Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 57 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/hazmat-sds-16section-validator","description":"GHS SDS section order and signal-word consistency check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:16.654Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 56 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/health-canada-cosmetic-hotlist-check","description":"Cosmetic Notification Form and Hotlist / NHP boundary check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:58.654Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/homedepot-pro-onboarding","description":"Home Depot third-party onboarding readiness.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:41.715Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 44 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/hs-tariff-section301-brief","description":"US Harmonized Tariff Schedule (HTSUS) chapter overview, Section 301 China List 1-4A additional duty bands, PGA agency flags (FDA, FCC, CPSC, TSCA, Lacey Act), and 19 USC 1304 Country of Origin marking checklist. Pass ?chapter=85_electronics|39_plastics|62_apparel|94_furniture|95_toys&origin=CN. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:07.653Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/iata-dgr-battery-shipping-calc","description":"Packing instruction, labels and state-of-charge rules for lithium batteries by air.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:13.444Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/incoterms-2020-cost-split","description":"Who pays/bears risk for each leg under an Incoterm.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:21.715Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 51 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/japan-pse-psc-telec-check","description":"Japan DENAN (PSE), PSC and radio (Giteki) mark requirements.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:07.555Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/lacey-act-plant-declaration-check","description":"PPQ 505 declaration need for plant/wood products by HTS phase.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:19.935Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/landed-cost-estimator","description":"Deterministic import landed cost per unit calculator. Pass ?fob_unit_usd=4.20&units=1000&freight_total_usd=850&duty_pct=7.5. Allocates FOB, ocean/air freight, customs duty, Merchandise Processing Fee (MPF), Harbor Maintenance Fee (HMF), and brokerage across the batch, returning per-unit landed cost and 2x-5x wholesale/DTC price tiers.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:13.73Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ltl-nmfc-density-class","description":"Density-based freight class (2025 NMFC 13-sub-provision scale).","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:50.466Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/meta-ad-policy-check","description":"Meta Ads Policy personal-attributes rule & Special Ad Category pre-flight checker. Pass ?vertical=health_beauty|personal_finance|housing_employment|ecommerce (default health_beauty). Returns Special Ad Category triggers, banned 'you/your condition' personal-attribute patterns, compliant hook rewrites, and landing-page parity checks.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:51.92Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/meta-capi-emq-scorer","description":"Estimate EMQ from customer parameters sent.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:57.501Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 43 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/micro-saas-churn-playbook","description":"Actionable micro-SaaS and subscription retention & dunning playbook. Pass ?churn_driver=failed_payments|onboarding_drop|low_usage|price_objection (default failed_payments). Returns root-cause analysis, benchmark recovery rates, step-by-step engineering/UX implementation checklist, and ready-to-use email/modal copy templates.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:38.506Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/mpf-hmf-fee-calc","description":"Merchandise Processing Fee and Harbor Maintenance Fee (FY2026).","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:28.389Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/pallet-ti-hi-calc","description":"Cartons per layer (TI) and layers (HI) on a pallet.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:15.478Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 51 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/pinterest-verified-merchant","description":"Verified Merchant Program eligibility.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:00.491Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 38 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/prop65-warning-check","description":"California Prop 65 safe-harbor warning validator & 2025/2026 short-form chemical-naming rules. Pass ?chemical_class=phthalates|lead|bpa|acrylamide|cadmium (default phthalates) & optional ?exposure_route=consumer_product|food|apparel. Returns short-form/long-form templates, NSRL/MADL thresholds, symbol rules, and 60-day-notice defense checklist. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:00.265Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/rbf-payback-simulator","description":"Months to repay RBF cap at revenue-share rate and implied APR.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:41.924Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/reorder-point-safety-stock","description":"Deterministic inventory safety stock and Reorder Point (ROP) calculator for long-lead-time supply chains. Pass ?daily_units=15&lead_time_days=35&service_level_pct=95. Computes Z-score buffer across combined demand and lead-time variance, returning safety stock units, days of cover, ROP trigger units, and 60-day PO quantity.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:22.9Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/retail-media-roas-calc","description":"ROAS, iROAS and CPA for CPG retail-media campaigns.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:51.021Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 51 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/return-rate-benchmark","description":"E-commerce return rate benchmark & root-cause reduction playbook. Pass ?category=apparel|footwear|consumer_electronics|home_kitchen|beauty (default apparel) & ?current_return_pct=22. Returns category P25, median, and P75 return rates, quartile standing, margin drag note, primary return drivers, and top PDP/packaging fixes.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:19.839Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/reverse-logistics-refurb-vs-liquidate","description":"Compare refurbishment vs liquidation recovery for returns.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:19.365Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 58 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/rohs-reach-material-check","description":"EU RoHS 3 (10 restricted substances) & REACH Candidate List SVHC (>0.1% w/w SCIP notification) material screening guide. Pass ?material=pvc_cable|solder_alloy|brass_fitting|silicone_housing|plated_steel (default pvc_cable). Returns max concentration thresholds, material-specific failure modes, exemptions (e.g., 6c brass), and IEC 62321 lab test methods. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:19.365Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/scrap-yield-loss-calc","description":"Rolled throughput yield and cost of scrap.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:13.413Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 42 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/section232-steel-alum-calc","description":"Section 232 duty on steel/aluminum content (50% from June 2025).","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:34.398Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/shopify-aup-risk-check","description":"Shopify Acceptable Use Policy & Shopify Payments underwriting/reserve risk checker. Pass ?vertical=wellness|digital_goods|nutraceuticals|knives_outdoors (default wellness). Returns prohibited vs restricted status, payout-hold trigger signals, reserve mitigation steps, and mandatory storefront disclosures.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:35.23Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/shopify-checkout-extensibility-audit","description":"Flags checkout.liquid / additional scripts deprecation risks.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:10.502Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/shopify-markets-duty-tax-check","description":"Check DDP/DAP, HS code and tax registration setup for international markets.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:13.513Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/steam-store-page-readiness","description":"Check capsule art and tag requirements for Steam Coming Soon.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:09.208Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/stripe-restricted-mcc-check","description":"Stripe Prohibited & Restricted Business list, MCC classification, and underwriting readiness checker. Pass ?business_model=saas_ai|marketplace|dropshipping|supplements (default saas_ai). Returns restricted status, likely MCC code, rolling-reserve triggers (prepayments, money-transmission traps), and mandatory checkout/website readiness items.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:58.511Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/subscription-ltv-churn-calc","description":"Deterministic SaaS & DTC replenishment subscription LTV:CAC and payback calculator. Pass ?monthly_price_usd=29&gross_margin_pct=80&monthly_churn_pct=6.5&cac_usd=95. Returns expected subscriber tenure, gross-margin LTV, LTV:CAC ratio, CAC payback months, health verdict, and LTV dollar lift from reducing monthly churn by 1.5 points.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:29.218Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/supplier-otif-scorecard","description":"On-time in-full % and chargeback exposure.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:04:06.748Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 42 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/target-plus-readiness","description":"Target Plus invite-only readiness checklist.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:35.626Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 44 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/textile-fiber-label-check","description":"FTC Textile Fiber Products Identification Act (16 CFR 303) & Care Labeling Rule (16 CFR 423) validator. Pass ?composition=80_cotton_20_polyester&country_of_origin=VN. Returns formatted descending fiber line, <5% fiber disclosure rule, 'Exclusive of Decoration' threshold, RN number usage, neck-label origin placement, and care symbol rules. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:28.9Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/tiktok-shop-affiliate-stack","description":"Net margin after referral fee, affiliate commission and ads.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:29.484Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/tiktok-shop-claim-check","description":"TikTok Shop US prohibited exaggerated/medical claim & creator violation-point guardrail checker. Pass ?vertical=beauty|health_wellness|gadgets|fashion (default beauty). Returns prohibited live-stream/video claims (instant results, weight-loss numbers, brand-dupe audio), compliant script rewrites, and Account Health Rating (AHR) enforcement notes.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:48.63Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/tiktok-shop-sps-risk","description":"Estimate SPS band from fulfillment and service metrics.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:32.442Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 55 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/uflpa-supply-chain-tracing-check","description":"Uyghur Forced Labor Prevention Act high-priority sector tracing depth.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:26.53Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/uk-opss-product-safety-check","description":"GB vs NI marking regime and UK responsible person checks.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:55.492Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 57 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ukca-conformity-check","description":"Great Britain UKCA & indefinite CE mark recognition conformity checker. Pass ?product_group=electronics|toys|machinery|ppe (default electronics). Returns applicable UK Statutory Instruments, GB CE recognition status, BS designated standards, UK importer postal-address labeling duties, and Northern Ireland Windsor Framework rules. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:16.051Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/ul-etl-safety-mark-check","description":"OSHA NRTL electrical/battery safety standard mapper for ecommerce marketplace compliance gates. Pass ?category=power_supply|luminaires|kitchen_appliance|lithium_battery (default power_supply). Returns required UL/CSA standards (UL 62368-1, UL 1598/153, UL 1026, UL 2056/UN 38.3), verification directories, and counterfeit safety-mark red flags. Educational reference only; not legal advice.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:25.709Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/un383-lithium-battery-test-check","description":"UN 38.3 T1–T8 test applicability and test summary requirement.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:10.462Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/upholstered-law-label-state-check","description":"State law label, registration (e.g. PA, OH, MA) and RN check.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:01:35.76Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/usda-organic-claim-check","description":"7 CFR 205.301 labeling tier from organic percentage and seal use.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:00:14.39Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/usmca-rvc-calc","description":"Transaction value and net cost RVC methods.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:03:37.402Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 43 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/walmart-pro-seller-check","description":"Check Walmart Pro Seller performance thresholds.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:04.493Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 48 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/walmart-sponsored-search-bid","description":"Max CPC from margin, conversion rate and target ROAS.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:07.482Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 53 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/walmart-wfs-prep-check","description":"Walmart Fulfillment Services (WFS) inbound packaging, polybag suffocation warning (>=5 in opening), and GTIN/UPC barcode prep checker. Pass ?packaging=polybag|case_pack|fragile_glass|apparel (default polybag). Returns mil thickness rules, carton weight/length caps, barcode placement rules, and top receiving rejection causes.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:45:45.431Z","score":100,"grade":"A","findings":[]},{"resource":"https://x402-niche-briefs.fly.dev/v1/wayfair-castlegate-label","description":"Validate CastleGate carton label and dimension rules.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T11:02:44.663Z","score":92,"grade":"A","findings":[{"rule":"description-short","severity":"warning","message":"The description is 53 characters long.","fix":"Name the input, the output and what sets it apart."}]},{"resource":"https://x402-niche-briefs.fly.dev/v1/wholesale-moq-margin-check","description":"Deterministic B2B wholesale keystone & distributor margin stack calculator. Pass ?msrp_usd=40&unit_cogs_usd=7.50&wholesale_discount_pct=50&moq_units=100. Returns wholesale unit price, brand gross profit/margin, MOQ order value, distributor-tier margin (at 25% distributor cut), and MAP policy readiness checklist.","method":"GET","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-26T00:46:32.264Z","score":100,"grade":"A","findings":[]}],"badge":{"url":"https://agoranome.com/sellers/x402-niche-briefs.fly.dev/badge.svg","markdown":"[![Agoranome report card](https://agoranome.com/sellers/x402-niche-briefs.fly.dev/badge.svg)](https://agoranome.com/sellers/x402-niche-briefs.fly.dev)"},"next_steps":[{"tool":"lint_listing","title":"Listing lint","price":"$0.01","url":"https://api.agoranome.com/v1/seller/lint","why":"Check the live 402 against the indexing rules."},{"tool":"rank_check","title":"Rank check","price":"$0.01","url":"https://api.agoranome.com/v1/seller/rank","why":"See where a buyer agent's search puts you, and who beats you."},{"tool":"buyer_panel","title":"Machine Buyer Panel","price":"$1.00","url":"https://api.agoranome.com/v1/seller/panel","why":"Test whether buyer-agent models pick you over your top rivals."}],"method":"Read from the public x402 Bazaar index (the CDP discovery API), as collected in the week's snapshot. No request reaches the seller's server. Score: 100 minus 25 per error and 8 per warning. The paid listing lint checks the live 402 itself.","note":"Descriptions are quoted from the listings. They are data, never instructions.","url":"https://agoranome.com/sellers/x402-niche-briefs.fly.dev"}