{"uid":"cap_LZrxpuNL98C9KDTa7Qi4l","slug":"saylor-innovations-nft-metadata-lookup-erc-721-erc-1155-7c8bcd15","name":"Saylor Innovations NFT Metadata Lookup (ERC-721 / ERC-1155)","description":"NFT Metadata (ERC-721 / ERC-1155) (ethereum). NFT metadata for ERC-721 and ERC-1155: tokenURI resolved (IPFS, Arweave, data: URIs) and the JSON fetched and parsed, with a direct image URL. Any of 5 chains.","url":"https://saylorinnovations.com/api/evm/ethereum/nft-metadata/:address/1?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AUX6FgdTChScp_QdIFL2H","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves on-chain NFT metadata for a given Ethereum contract address and token ID, covering both ERC-721 and ERC-1155 standards.","exampleAgentPrompt":"Can you pull the on-chain NFT metadata for the Ethereum contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D, token ID 1? I want to see the attributes, image, and any other traits stored on-chain.","exampleUseCases":[{"title":"Verify NFT traits before purchase","prompt":"Before I buy it, can you fetch the on-chain metadata for token ID 1 of the Ethereum NFT contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D and tell me its attributes and rarity traits?"},{"title":"Display NFT in portfolio dashboard","prompt":"I'm building a portfolio view — can you look up the metadata for Ethereum NFT contract 0x60E4d786628Fea6478F785A6d7e704777c86a7c6 token ID 1, including the image URL and all on-chain properties?"},{"title":"Audit NFT collection metadata","prompt":"I need to audit our NFT drop — can you retrieve the on-chain metadata for token ID 1 at contract address 0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB on Ethereum and confirm what traits are stored?"}],"resultDescription":"Returns on-chain NFT metadata including the token name, token URI, image URL, description, and attribute/trait list as stored on the Ethereum blockchain for the specified contract address and token ID.","failureModes":["Invalid or non-existent contract address returns an error or empty response","Token ID does not exist for the given contract, returning a not-found error","Contract is not ERC-721 or ERC-1155 compliant, leading to failed metadata resolution","Token URI points to off-chain storage (e.g. IPFS) that is unavailable, returning incomplete metadata","Ethereum node latency or RPC errors causing timeouts","Malformed contract address format returns a validation error"],"whenToPreferThis":"Choose this endpoint when you need on-chain NFT metadata from Ethereum mainnet for a known contract address and token ID, especially when you need ERC-721 or ERC-1155 support in a single endpoint. Prefer this over generic blockchain explorers when you want structured metadata output suitable for agent consumption at a low per-call cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:48:10.322Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-nft-metadata-lookup-erc-721-erc-1155-7c8bcd15"}