{"uid":"cap_mKmACw-DZuUtvuQmTX-I7","slug":"synapse-api-sonic-nft-metadata-lookup-f13220d3","name":"Synapse API — Sonic 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/sonic/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_BctVWb44EURpU7XTNXTT1","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":"Retrieves NFT metadata for a given token ID and contract address on the Sonic blockchain network","exampleAgentPrompt":"Can you pull the metadata for token ID 1234 at contract address 0xAbC123... on the Sonic blockchain — I want to see its name, image, and traits?","exampleUseCases":[{"title":"NFT portfolio trait inspection","prompt":"Fetch the metadata for token ID 88 at contract 0x1a2b3c4d5e on Sonic — I want to check what traits and rarity attributes it has."},{"title":"NFT marketplace listing enrichment","prompt":"I'm listing an NFT for sale and need the full metadata for token ID 7 from contract 0xDeAdBeEf on Sonic so I can populate the name, image, and description fields."},{"title":"NFT ownership verification display","prompt":"Get me the metadata for token 500 at Sonic contract 0x9f8e7d6c so I can display the NFT image and attributes on the owner's profile page."}],"resultDescription":"Returns NFT metadata for the specified token on the Sonic network, typically including token name, description, image URL, and attribute/trait arrays as defined by the NFT contract's metadata standard.","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","Sonic network connectivity issues may cause timeouts","Malformed input (non-string tokenId or contractAddress) may cause validation errors","Contract does not implement standard metadata URI may return incomplete data"],"whenToPreferThis":"Use this endpoint when you specifically need NFT metadata from the Sonic blockchain network and want a simple pay-per-call API without managing your own RPC nodes. Prefer this over general-purpose blockchain RPC calls when you want a clean abstraction that returns structured NFT metadata directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:49:42.155Z","isFirstParty":false}