{"uid":"cap_Hue9VDy8zZpNWSQP88Kib","slug":"synapse-api-linea-nft-metadata-lookup-34948566","name":"Synapse API — Linea 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/linea/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_NGDCfo7wI6l3H33V863jQ","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 Linea blockchain network","exampleAgentPrompt":"Can you look up the metadata for token ID 1234 from the NFT contract 0xAbCd1234...5678 on the Linea blockchain and tell me its name, image, and traits?","exampleUseCases":[{"title":"NFT Trait Verification Before Purchase","prompt":"I'm about to buy token ID 42 from the contract 0x1234abcd...5678 on Linea — can you pull its metadata and tell me what traits and rarity attributes it has?"},{"title":"NFT Gallery Portfolio Display","prompt":"I need the metadata for all my NFTs on Linea — start with token ID 7 from contract 0xdeadbeef...1234 so I can display the image and description in my gallery app."},{"title":"NFT Collection Analytics Research","prompt":"Can you fetch the metadata for token ID 999 from Linea contract 0xfeed1234...abcd? I want to check the attributes to compare it against the rest of the collection."}],"resultDescription":"Returns on-chain NFT metadata for the specified token on the Linea network, typically including the token name, description, image URL, and an array of trait/attribute key-value pairs as defined in the NFT's metadata standard.","failureModes":["Invalid or non-existent contract address returns an error or empty response","Token ID not found on the specified contract returns a not-found error","Contract address is not an NFT contract (e.g., ERC-20) and has no token metadata","Linea network RPC unavailability causes timeout or service error","Malformed input (non-hex contract address or non-numeric token ID) returns a validation error","Payment failure via x402 results in 402 response before data is returned"],"whenToPreferThis":"Use this endpoint when you specifically need NFT metadata on the Linea blockchain network and want a pay-per-call model without subscription overhead. Prefer this over generic NFT APIs when Linea network coverage is required, and over general-purpose blockchain explorers when you need structured, machine-readable metadata rather than a human-facing UI.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:46:28.286Z","isFirstParty":false}