{"slug":"payee-schemasure-com-v1-guard-payee-10602e","title":"Pre-flight a Base payment destination before you send","host":"payee.schemasure.com","method":"POST","resource":"https://payee.schemasure.com/v1/guard/payee","category":"market","description":"Pre-flight a Base payment destination before you send. Verifies the EIP-55 checksum, measures distance from an address you expect — catching a mistyped digit and the shared prefix-and-suffix shape of a ground look-alike — flags the zero address, burn sinks and precompiles, refuses a token offered as","price_listed":0.01,"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":9,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"address":"0x7a3D40f7c6B18E5920Ab7C3e5d81f4A04E6F8a0D","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","expected_address":"0x7A3D9C1b5e2F4A8d6C0b3E5F7a9D1c2b4e6f8A0d"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false,"properties":{"address":{"description":"The destination you are about to send to. Send it exactly as you hold it, casing included: the casing is the checksum, and normalising it before you ask destroys the evidence this endpoint checks.","pattern":"^0[xX][0-9a-fA-F]{40}$","type":"string"},"asset":{"default":"native","description":"\"native\" for ETH, or an ERC-20 contract address. Defaults to \"native\". The asset decides which receivability question is asked, and they have different answers.","type":"string"},"expected_address":{"description":"The address you believe the destination should be. Supplying it enables the comparison checks: exact match, case-only difference, small edit distance, and the shared prefix-and-suffix shape of a ground look-alike.","pattern":"^0[xX][0-9a-fA-F]{40}$","type":"string"},"from":{"description":"The sender, when you have one. Enables the self-send check.","pattern":"^0[xX][0-9a-fA-F]{40}$","type":"string"}},"required":["address"],"title":"PayeeGuardRequest","type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"data_versions":{"type":"object"},"evidence":{"items":{"type":"object"},"type":"array"},"ok":{"type":"boolean"},"policy_version":{"type":"string"},"request_hash":{"type":"string"},"result":{"properties":{"address":{"type":"object"},"asset":{"type":"object"},"can_receive":{"description":"value is true, false, or null when the bytecode does not decide it.","type":"object"},"checksum":{"type":"object"},"denylist_hits":{"items":{"type":"object"},"type":"array"},"destination":{"type":"object"},"expected_comparison":{"type":["object","null"]},"self_send":{"type":"object"},"sinks":{"type":"object"},"unresolved":{"items":{"type":"string"},"type":"array"}},"type":"object"},"risk_codes":{"items":{"type":"string"},"type":"array"},"verdict":{"description":"Precedence: block, then unknown, then warn, then allow.","enum":["allow","warn","block","unknown"],"type":"string"},"warnings":{"items":{"type":"string"},"type":"array"}},"required":["ok","verdict","result","request_hash","data_versions"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Pre-flight a Base payment destination before you send. Verifies the EIP-55 checksum, measures distance from an address you expect — catching a mistyped digit and the shared prefix-and-suffix shape of a ground look-alike — flags the zero address, burn sinks and precompiles, refuses a token offered as its own payee, and reports whether the destination can receive the asset. Returns unknown rather than guessing when bytecode does not decide it. Not a judgement of the counterparty.","last_updated":"2026-09-24T07:39:25.452Z","schemes":["exact"]}