{"uid":"cap_h5MrQeXmSOmww4X3AolbR","slug":"zerion-69c80211","name":"Zerion Fungible Token Lookup by Contract Address","description":"Lookup token by contract address","url":"https://api.zerion.io/v1/fungibles/by-implementation?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["implementation"],"properties":{"currency":{"type":"string","description":"Fiat currency for prices and values (defaults to usd)"},"implementation":{"type":"string","description":"`<chain_id>` or `<chain_id>:<implementation_address>`"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["data"],"properties":{"data":{"type":"object","properties":{"id":{"type":"string","description":"Resource ID."},"type":{"type":"string","description":"Resource type."},"attributes":{"type":"object","description":"Resource attributes; see https://developers.zerion.io"}}},"links":{"type":"object","description":"Self and pagination links."}}}}}}},"responseSchema":{"type":"json","example":{"data":{"id":"<resource id>","type":"<resource type>","attributes":{}},"links":{"self":"https://api.zerion.io/v1/..."}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.010000","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.010000/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UMJQeb1KvhoEC2Kmb7YjT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Look up detailed token/fungible asset metadata by its on-chain contract address implementation","exampleAgentPrompt":"What token is deployed at contract address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum? I need its name, symbol, and decimals.","exampleUseCases":[{"title":"Identify swapped token for portfolio tracking","prompt":"I just received a token at contract 0x6B175474E89094C44Da98b954EedeAC495271d0F on Ethereum, but I don't know what it is. Can you look up the token name, symbol, and how many decimals it uses so I can add it to my portfolio?"},{"title":"Verify token legitimacy before trading","prompt":"Someone sent me a contract address 0x95aD61b0a150d79219dCF64E1E6Cc01f0B64C4cE on Polygon and claims it's a major DeFi token. Can you resolve this address to tell me what token it actually is and confirm its metadata?"},{"title":"Resolve smart contract address to token name","prompt":"I'm looking at a smart contract interaction on Arbitrum with address 0xFF970A61A04b1cA14834A43f5dE4533eBDDB5F86, but I can't tell what token it represents. What's the actual token name, symbol, and decimal places?"}],"resultDescription":"Returns detailed metadata about the fungible token (cryptocurrency/DeFi asset) associated with the given contract address, including token name, symbol, decimals, logo, and chain-specific implementation details as indexed by Zerion.","failureModes":["Contract address not found in Zerion index — returns 404 or empty result","Invalid contract address format — returns 400 bad request","Contract exists on-chain but token not indexed by Zerion — no result","Network/chain not supported — no result returned","Payment not included or insufficient — 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you have a specific on-chain contract address and need to resolve it to a human-readable token identity (name, symbol, decimals) within the Zerion DeFi ecosystem. Prefer over general token search when you already know the exact contract address. Best for ERC-20 and fungible token lookups across chains supported by Zerion.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T00:31:47.425Z","isFirstParty":false,"canonicalSlug":"zerion-69c80211"}