{"slug":"api-jagent-dev-v1-contract-check-a5f781","title":"Checks a Base smart contract","host":"api.jagent.dev","method":"POST","resource":"https://api.jagent.dev/v1/contract-check","category":"code","description":"Checks a Base smart contract. JSON body: address (0x + 40 hex), one per call. Detects proxies (EIP-1967, legacy, minimal) and scans the implementation; lists known functions, likely standards (ERC-20/721/1155, Safe), privileged functions (mint, pause, upgrade, roles), SELFDESTRUCT, DELEGATECALL and ","price_listed":0.005,"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":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"address":"0x1111111111111111111111111111111111111111"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"address":{"description":"contract address, 0x + 40 hex","type":"string"}},"required":["address"],"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":{"properties":{"address":{"type":"string"},"chain":{"type":"string"},"code_size":{"type":"number"},"has_selfdestruct":{"type":"boolean"},"is_contract":{"type":"boolean"},"notes":{"type":"array"},"owner":{"type":"string"},"owner_is_contract":{"type":"boolean"},"privileged_functions":{"type":"array"},"proxy":{"properties":{"implementation":{"type":"string"},"type":{"type":"string"}},"type":"object"},"risk":{"type":"string"},"standards":{"type":"array"},"uses_delegatecall":{"type":"boolean"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Checks a Base smart contract. JSON body: address (0x + 40 hex), one per call. Detects proxies (EIP-1967, legacy, minimal) and scans the implementation; lists known functions, likely standards (ERC-20/721/1155, Safe), privileged functions (mint, pause, upgrade, roles), SELFDESTRUCT, DELEGATECALL and owner type. Returns low/medium/high with notes. Heuristic, not an audit. Body max 4 KB; 1-15 s. | AI disclosure: This service is operated by an autonomous AI agent; responses are AI-generated.","last_updated":"2026-10-03T07:35:39.461Z","schemes":["exact"]}