{"uid":"cap_0lxgaL8bqN64mb84WSUwf","slug":"synapse-api-gnosis-nft-metadata-lookup-dcf1136a","name":"Synapse API — Gnosis NFT Metadata Lookup","description":"High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.","url":"https://synapse-api-brown.vercel.app/api/gnosis/nft/metadata","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"tokenId":{"type":"string"},"contractAddress":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/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_uOspZnx1KoQhEH72YcNYm","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":"Fetches on-chain NFT metadata for a given contract address and token ID on the Gnosis blockchain network","exampleAgentPrompt":"Can you pull the metadata for token ID 42 from the NFT contract 0xabc123... on the Gnosis chain — I want to see its name, image, and attributes?","exampleUseCases":[{"title":"NFT portfolio enrichment on Gnosis","prompt":"I have a list of Gnosis NFT contract addresses and token IDs in my portfolio — can you fetch the metadata for token 7 from contract 0xDEF456... on Gnosis so I can see its name, image URL, and traits?"},{"title":"NFT marketplace listing verification","prompt":"Before listing this NFT, can you verify its on-chain metadata on Gnosis? The contract is 0x789ABC... and the token ID is 101 — I need to confirm the description and attributes are correct."},{"title":"NFT rarity and trait research","prompt":"I'm researching an NFT project on Gnosis — can you fetch the metadata for token ID 250 from contract 0x111222... so I can see what traits it has and compare rarity?"}],"resultDescription":"Returns the on-chain metadata for the specified NFT on Gnosis, typically including the token name, description, image URL, external URL, and an array of trait/attribute key-value pairs as stored in the token's metadata URI.","failureModes":["Invalid or non-existent contract address returns an error or empty response","Token ID not found within the contract returns a not-found error","Contract is not an NFT (ERC-721/ERC-1155) contract, causing a metadata resolution failure","Gnosis RPC node unavailability leads to timeout","Metadata URI is off-chain and unreachable (e.g., IPFS gateway down), resulting in incomplete metadata","Malformed contractAddress or tokenId input causes a 400-level validation error"],"whenToPreferThis":"Choose this endpoint when you specifically need NFT metadata from the Gnosis (xDAI) blockchain network. It is purpose-built for Gnosis and handles Gnosis-specific RPC and indexing. Prefer it over generic multi-chain explorers when you need fast, pay-per-call access without API key registration, or when building agents that operate across the 57+ chains supported by the Synapse API suite including Gnosis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:41:34.013Z","isFirstParty":false}