{"uid":"cap_5B95RER_PDAVrJ94i5uII","slug":"synapse-api-sei-nft-metadata-lookup-1ddd1788","name":"Synapse API — Sei 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/sei/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_3-U14ZZdF18UKAE3E9t-w","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 NFT metadata for a given token ID and contract address on the Sei blockchain network.","exampleAgentPrompt":"Can you pull up the metadata for the NFT with token ID 42 from contract address 0xABC123 on the Sei blockchain?","exampleUseCases":[{"title":"NFT portfolio attribute inspector","prompt":"I want to see the full metadata and traits for token ID 7 from the Sei NFT contract at 0xDEADBEEF123456 — name, description, image, everything."},{"title":"NFT marketplace listing enrichment","prompt":"Fetch the metadata for token ID 100 at Sei contract address sei1qp9z3x7... so I can display the image and attributes on our marketplace listing page."},{"title":"NFT rarity and trait analysis","prompt":"What are the on-chain attributes and traits for token ID 555 from the Sei NFT collection at contract address 0xF00BA4 — I need to check if it has the rare background trait."}],"resultDescription":"Returns NFT metadata for the specified token on the Sei blockchain, typically including the token name, description, image URL, and a list of attributes/traits associated with that NFT.","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","Sei network connectivity issues cause timeouts","Malformed input (non-string token ID or address) causes validation errors","Payment failure via x402 blocks the request entirely"],"whenToPreferThis":"Use this endpoint when you specifically need NFT metadata from the Sei blockchain and want a simple pay-per-call model without managing your own Sei RPC node. Prefer this over generic blockchain RPC calls when you want a normalized metadata response without raw on-chain decoding.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:56:10.512Z","isFirstParty":false}