{"slug":"mpp-tracefast-xyz-api-v1-chains-1-contracts-address-proxy-4f0304","title":"TraceFast live Ethereum data","host":"mpp.tracefast.xyz","method":"GET","resource":"https://mpp.tracefast.xyz/api/v1/chains/1/contracts/:address/proxy","category":"market","description":"TraceFast live Ethereum data: the implementations a proxy contract has been observed delegating to — from its EIP-1167 bytecode, its EIP-1967 implementation or beacon slot, or its OpenZeppelin v1 slot — newest first, each with the blocks it was seen at and whether it has since been replaced. Path ad","price_listed":0.02,"price_asked":0.02,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":36,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","pathParams":{"address":"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"},"queryParams":{},"type":"http"},"output_schema":{"properties":{"input":{"properties":{"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object"}},"required":["method"]}}},"history":[{"day":"2026-10-01","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.02,"price_match":true,"latency_ms":36,"error":null}],"description_full":"TraceFast live Ethereum data: the implementations a proxy contract has been observed delegating to — from its EIP-1167 bytecode, its EIP-1967 implementation or beacon slot, or its OpenZeppelin v1 slot — newest first, each with the blocks it was seen at and whether it has since been replaced. Path address: The proxy contract address, `0x`-prefixed, 40 hex characters, any case. Docs: https://docs.tracefast.xyz/api/contract-proxy.md","last_updated":"2026-10-01T12:38:28.014Z","schemes":["exact"]}