{"slug":"workers-miodiollc-com-v1-drift-d92ad2","title":"MioDio Meridian parameter-drift check","host":"workers.miodiollc.com","method":"POST","resource":"https://workers.miodiollc.com/v1/drift","category":"market","description":"MioDio Meridian parameter-drift check: diffs a declared intent against the exact unsigned tx or EIP-712 payload before you sign (~$0.005 USDC Exact on Base). Verdict match, drift or cannot_verify with a per-field diff and keccak of the bytes checked. Unknown calldata is cannot_verify, never match. A","price_listed":0.005,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"chain":"base","intent":{"action":"transfer","amount":"1000000","expected_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0x0000000000000000000000000000000000000001","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"tx":{"chainId":8453,"data":"0xa9059cbb000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000f4240","to":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","value":"0x0"}},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"chain":{"description":"Target chain of the unsigned tx (default base). Independent of the USDC payment network.","enum":["base","ethereum"],"type":"string"},"intent":{"description":"Declared intent: action, recipient/spender, token, amount, max slippage, expected contract.","type":"object"},"tx":{"description":"Exact unsigned transaction about to be signed: to, value, data, optional chainId/from.","type":"object"},"typed_data":{"description":"Optional EIP-712 payload (Permit, Permit2) when that is what will be signed.","type":"object"}},"required":["intent"]},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"as_of":{"type":"string"},"bindings":{"type":"object"},"card":{"const":"parameter_drift","type":"string"},"chain":{"enum":["base","ethereum"],"type":"string"},"decoded":{"type":"object"},"diffs":{"type":"array"},"disclaimer":{"type":"string"},"flags":{"items":{"type":"string"},"type":"array"},"limits":{"items":{"type":"string"},"type":"array"},"product":{"const":"mio_dio_defi_risk_passport","type":"string"},"status":{"const":"ok","type":"string"},"verdict":{"enum":["match","drift","cannot_verify"],"type":"string"},"version":{"type":"string"}},"required":["product","card","verdict","diffs","decoded","flags","bindings","disclaimer"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"MioDio Meridian parameter-drift check: diffs a declared intent against the exact unsigned tx or EIP-712 payload before you sign (~$0.005 USDC Exact on Base). Verdict match, drift or cannot_verify with a per-field diff and keccak of the bytes checked. Unknown calldata is cannot_verify, never match. A match is not a guarantee the intent was safe. Errors: 400 invalid_body or unsupported_chain, 402 payment required. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms","last_updated":"2026-10-17T16:02:17.413Z","schemes":["exact"]}