{"slug":"api-insumermodel-com-v1-attest-07fec1","title":"Signed attestation (ECDSA plus a post-quantum ML-DSA-65 companion) of on-chain w","host":"api.insumermodel.com","method":"POST","resource":"https://api.insumermodel.com/v1/attest","category":"market","description":"Signed attestation (ECDSA plus a post-quantum ML-DSA-65 companion) of on-chain wallet conditions across 37 chains: token balance, NFT ownership, EAS, Farcaster, view calls, ratio rules, and agent standing (ERC-8004 registration, ERC-7710 delegation validity with revocation proof). A verifiable boole","price_listed":0.05,"price_asked":0.05,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":697,"reported_calls_30d":19,"reported_payers_30d":6,"networks":["eip155:137","eip155:42161","eip155:5042","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"conditions":[{"chainId":8453,"contractAddress":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","threshold":"1","type":"token_balance"}],"wallet":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"},"method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"body":{"properties":{"conditions":{"items":{"properties":{"chainId":{"description":"Numeric EVM chain id, or 'solana' | 'xrpl' | 'bitcoin' | 'tron' | 'stellar' | 'sui'"},"contractAddress":{"type":"string"},"threshold":{"description":"Decimal string in token/display units, not base units: \"1000\" means 1000 USDC","type":"string"},"type":{"enum":["token_balance","nft_ownership","eas_attestation","farcaster_id","evm_view_call","ratio_to_amount","ratio_to_supply","erc8004_agent","erc7710_delegation"],"type":"string"}},"required":["type","chainId"],"type":"object"},"maxItems":10,"minItems":1,"type":"array"},"format":{"description":"Optional ES256 JWT attestation format","enum":["jwt"],"type":"string"},"proof":{"description":"Optional EIP-1186 storage proof; doubles the price","enum":["merkle"],"type":"string"},"wallet":{"description":"EVM address (0x…); non-EVM wallets via solanaWallet/xrplWallet/bitcoinWallet/tronWallet/stellarWallet/suiWallet","type":"string"}},"required":["wallet","conditions"],"type":"object"},"method":{"enum":["POST"],"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":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.05,"price_match":true,"latency_ms":697,"error":null}],"description_full":"Signed attestation (ECDSA plus a post-quantum ML-DSA-65 companion) of on-chain wallet conditions across 37 chains: token balance, NFT ownership, EAS, Farcaster, view calls, ratio rules, and agent standing (ERC-8004 registration, ERC-7710 delegation validity with revocation proof). A verifiable boolean, never raw balances. Up to 10 conditions per pay-per-call request. Pay in USDC on Base, Polygon, Arbitrum, Arc, or Solana.","last_updated":"2026-09-21T12:55:56.495Z","schemes":["exact"]}