{"host":"base-facts.yankii.fr","week":"2026-W44","snapshot_taken_at":"2026-10-26T13:00:11.784122+00:00","summary":{"host":"base-facts.yankii.fr","listings":9,"score":98,"grade":"A","errors":0,"warnings":2,"calls_30d":31,"payers_30d":30},"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":1965,"price_usd":0.001,"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":9,"score":98,"grade":"A","errors":0,"warnings":2,"calls_30d":31,"payers_30d":30}],"evidence":null,"benchmark":null,"listings":[{"resource":"https://base-facts.yankii.fr/v1/gas","description":"Get current gas price information (base fee, priority fee suggestion, gas price)","method":"GET","price_usd":0.001,"networks":["eip155:8453"],"calls_30d":7,"payers_30d":7,"last_called_at":"2026-10-25T21:57:13.45Z","score":100,"grade":"A","findings":[]},{"resource":"https://base-facts.yankii.fr/v1/sellcheck/size","description":"Base token sell check AT YOUR TRADE SIZE: simulates a buy of amountEth (0.001 to 10 ETH) and an immediate sell inside eth_call (no trade is sent) and reports the buy tax, the sell tax and the round-trip loss including price impact. Uniswap v2, v3, v4 (ETH, WETH, ZORA, USDC quotes) and Aerodrome. Measured at one block, not a guarantee, not financial advice.","method":"POST","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":5,"payers_30d":4,"last_called_at":"2026-10-19T12:27:44.24Z","score":100,"grade":"A","findings":[]},{"resource":"https://base-facts.yankii.fr/v1/basename","description":"Resolve a Basename to an address or an address to its primary Basename","method":"POST","price_usd":0.002,"networks":["eip155:8453"],"calls_30d":4,"payers_30d":4,"last_called_at":"2026-10-11T08:25:07.141Z","score":100,"grade":"A","findings":[]},{"resource":"https://base-facts.yankii.fr/v1/facts","description":"Get on-chain facts about a Base token contract","method":"POST","price_usd":0.005,"networks":["eip155:8453"],"calls_30d":4,"payers_30d":4,"last_called_at":"2026-10-15T07:14:41.602Z","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://base-facts.yankii.fr/v1/sellcheck","description":"Base honeypot and tax check for trading agents: simulates a small buy and an immediate sell of the token on its deepest WETH pool (Uniswap v2/v3, Aerodrome) inside eth_call, and returns buy tax, sell tax, round-trip loss and whether the sell reverted. $0.005. Simulation at one block, not a guarantee.","method":"POST","price_usd":0.005,"networks":["eip155:8453"],"calls_30d":4,"payers_30d":4,"last_called_at":"2026-10-15T07:28:08.433Z","score":100,"grade":"A","findings":[]},{"resource":"https://base-facts.yankii.fr/v1/wallet","description":"Get ETH and USDC balance for a wallet address","method":"POST","price_usd":0.002,"networks":["eip155:8453"],"calls_30d":4,"payers_30d":4,"last_called_at":"2026-10-11T08:40:01.234Z","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://base-facts.yankii.fr/v1/batch","description":"Base token BATCH sell check: up to 10 token addresses in one call and one payment. For each token it simulates a small buy and an immediate sell inside eth_call (no trade is sent) and returns buy tax, sell tax, round-trip loss, flags and a plain summary; a token it cannot simulate is returned as not_simulated with the reason. Built for bots that screen many new tokens: $0.03 for up to 10 (single check: $0.005). Facts, not advice.","method":"POST","price_usd":0.03,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-11T11:31:27.345Z","score":100,"grade":"A","findings":[]},{"resource":"https://base-facts.yankii.fr/v1/tx","description":"Get transaction status, fee, and decoded ERC20 Transfer events","method":"POST","price_usd":0.003,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-04T10:01:51.836Z","score":100,"grade":"A","findings":[]},{"resource":"https://base-facts.yankii.fr/v1/verdict","description":"Base token verdict for trading agents: risk level, score and flags (proxy, mint, pause, blacklist, owner, DEX liquidity on Uniswap v2/v3 and Aerodrome), each with the on-chain fact behind it. Facts and heuristics, not financial advice.","method":"POST","price_usd":0.01,"networks":["eip155:8453"],"calls_30d":1,"payers_30d":1,"last_called_at":"2026-10-04T10:01:55.161Z","score":100,"grade":"A","findings":[]}],"badge":{"url":"https://agoranome.com/sellers/base-facts.yankii.fr/badge.svg","markdown":"[![Agoranome report card](https://agoranome.com/sellers/base-facts.yankii.fr/badge.svg)](https://agoranome.com/sellers/base-facts.yankii.fr)"},"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/base-facts.yankii.fr"}