{"slug":"api-aiskills402-com-v1-skills-chain-evidence-check-file-183ec7","title":"Chain Evidence Check — Judges whether an on-chain observation really proves a cl","host":"api.aiskills402.com","method":"GET","resource":"https://api.aiskills402.com/v1/skills/chain-evidence-check/file","category":"market","description":"Chain Evidence Check — Judges whether an on-chain observation really proves a claim about a payment, a wallet or an RPC endpoint on an EVM chain, and answers as JSON with a binary verdict, the reason and the one check that would decide. Knows the readings that answer for the wrong thing - a null tra","price_listed":0.05,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"headers":{"additionalProperties":{"type":"string"},"type":"object"},"method":{"enum":["GET","HEAD"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Chain Evidence Check — Judges whether an on-chain observation really proves a claim about a payment, a wallet or an RPC endpoint on an EVM chain, and answers as JSON with a binary verdict, the reason and the one check that would decide. Knows the readings that answer for the wrong thing - a null transaction receipt seconds after settlement, a block explorer that indexes a minute late and a balance view that lags its own transfer list, a public RPC endpoint that refuses receipts with an error or…","last_updated":"2026-10-13T15:01:41.938Z","schemes":["exact"]}