{"slug":"verifylite-hydratinghealingtouch-workers-dev-chain-allowance-e691d8","title":"Approval check for one wallet and one ERC-20 token on Base","host":"verifylite.hydratinghealingtouch.workers.dev","method":"POST","resource":"https://verifylite.hydratinghealingtouch.workers.dev/chain/allowance","category":"market","description":"Approval check for one wallet and one ERC-20 token on Base: how much each spender (up to 10 app or router addresses) is allowed to move, flagging unlimited approvals and approvals covering the full balance, plus approvals made through Uniswap Permit2 with their expiry. Defaults to checking Permit2 i","price_listed":0.0033,"price_asked":0.0033,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":29,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"owner":"0xb33134504393140cfd963d76f62907d660880932","token":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"owner":{"description":"Wallet 0x address on Base.","type":"string"},"spenders":{"description":"Optional: up to 10 spender addresses (array or comma-separated). Defaults to Uniswap Permit2.","items":{"type":"string"},"maxItems":10,"type":"array"},"token":{"description":"Token contract 0x address on Base.","type":"string"}},"required":["owner","token"],"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":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-26","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.0033,"price_match":true,"latency_ms":29,"error":null}],"description_full":"Approval check for one wallet and one ERC-20 token on Base: how much each spender (up to 10 app or router addresses) is allowed to move, flagging unlimited approvals and approvals covering the full balance, plus approvals made through Uniswap Permit2 with their expiry. Defaults to checking Permit2 itself. Useful before signing, for wallet hygiene, and for spotting approvals to revoke. Read-only. Not charged for invalid addresses or non-tokens.","last_updated":"2026-10-26T12:43:49.826Z","schemes":["exact"]}