{"slug":"api-arysphere-com-v1-ventures-x402-chain-reads-v1-eth-erc721-fb7440","title":"Ethereum mainnet NFT (ERC-721) owner of a token id","host":"api.arysphere.com","method":"GET","resource":"https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/eth_erc721_tokensof","category":"market","description":"Ethereum mainnet NFT (ERC-721) owner of a token id. Ethereum NFT holdings: the token IDs a wallet owns in one ERC-721 Enumerable collection on Ethereum mainnet. Takes token (the ERC-721 collection contract) and owner (the wallet address). Pay $0.005 in USDC on Base per call.","price_listed":0.005,"price_asked":0.005,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":153,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"owner":"0x46efbaedc92067e6d60e84ed6395099723252496","token":"0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"properties":{"owner":{"description":"0x + 40 hex","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"token":{"description":"ERC-721 contract (Enumerable), 0x + 40 hex","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.005,"price_match":true,"latency_ms":153,"error":null}],"description_full":"Ethereum mainnet NFT (ERC-721) owner of a token id. Ethereum NFT holdings: the token IDs a wallet owns in one ERC-721 Enumerable collection on Ethereum mainnet. Takes token (the ERC-721 collection contract) and owner (the wallet address). Pay $0.005 in USDC on Base per call.","last_updated":"2026-10-21T07:54:32.73Z","schemes":["exact"]}