{"uid":"cap_YHR5x9dZ2EnEwktOrDsiy","slug":"synthora-eip-1967-uups-transparent-proxy-detector-5af4e6e5","name":"Synthora EIP-1967/UUPS/Transparent Proxy Detector","description":"Detect proxy pattern (EIP-1967 / UUPS / Transparent) and resolve the implementation address. Deterministic, Ed25519-signed.","url":"https://rpc-proxy.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","required":["address"],"properties":{"chain":{"type":"string","description":"chain"},"address":{"type":"string","description":"address"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zYyhAtU4F9SVFu0caIL2Q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects the proxy pattern (EIP-1967, UUPS, or Transparent) of a smart contract address on a given chain and resolves its current implementation address.","exampleAgentPrompt":"Can you detect the proxy pattern and resolve the implementation address for the contract 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum mainnet?","exampleUseCases":null,"resultDescription":"Returns the detected proxy pattern (EIP-1967, UUPS, or Transparent), the resolved implementation contract address, and an Ed25519-signed response confirming the result. If the contract is not a proxy, the response indicates no proxy pattern was found. No charge is applied on upstream failure.","failureModes":["Invalid or non-existent contract address returns an error or no-proxy result","Unsupported chain identifier causes a lookup failure","Contract is not a proxy — pattern detection returns null or no-match","Upstream RPC node failure results in no charge and an error response","Malformed address format triggers a validation error"],"whenToPreferThis":"Use this endpoint when you need to programmatically determine whether a smart contract is a proxy, which proxy standard it implements (EIP-1967, UUPS, or Transparent), and what implementation contract it currently points to — especially useful for auditing upgradeable contracts, tracking contract upgrades, or building tooling that interacts with proxy-based protocols. Prefer this over manual slot inspection or generic RPC calls when you need a signed, deterministic result.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T09:26:09.078Z","isFirstParty":false}