{"slug":"api-api-agent-ia-ch-allowance-dcbd74","title":"ERC-20 allowance a spender may use from an owner on Base","host":"api.api-agent-ia.ch","method":"GET","resource":"https://api.api-agent-ia.ch/allowance","category":"market","description":"ERC-20 allowance a spender may use from an owner on Base. Use before a DeFi interaction to check whether an approval is already granted. Inputs: token, owner, spender (0x addresses). Flags unlimited approvals.","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":963,"reported_calls_30d":2,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"owner":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","spender":"0x000000000022D473030F116dDEE9F6B43aC78BA3","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"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":{"type":"string"},"spender":{"type":"string"},"token":{"type":"string"}},"required":["token","owner","spender"],"type":"object"},"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":"2026-10-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":963,"error":null}],"description_full":"ERC-20 allowance a spender may use from an owner on Base. Use before a DeFi interaction to check whether an approval is already granted. Inputs: token, owner, spender (0x addresses). Flags unlimited approvals.","last_updated":"2026-10-23T13:20:32.973Z","schemes":["exact"]}