{"uid":"cap_hwiGU9HWl37fVttDv5o9Q","slug":"tollkit-chain-token-attestation-lookup-9502ffe3","name":"Tollkit Chain Token Attestation Lookup","description":"Pay-per-call product page extraction. No account, no API key: pay in-band with x402 in USDC on Base or Solana.","url":"https://attest.tollkit.dev/chain/token?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","ethereum","solana"],"type":"string","default":"base","description":"Which chain to read: \"base\" (default), \"ethereum\" or \"solana\"."},"token":{"type":"string","pattern":"^(0x[0-9a-fA-F]{40}|[1-9A-HJ-NP-Za-km-z]{32,44})$","description":"ERC-20 contract, or SPL mint on Solana."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eEJ6lMOEijFeblZVr0eqe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches on-chain token data (attestation info) for a given ERC-20 or SPL token contract address on Base, Ethereum, or Solana, paid per-call via x402 USDC micropayment.","exampleAgentPrompt":"Look up the on-chain attestation data for the Base ERC-20 token at address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 — pay per call, no API key needed.","exampleUseCases":[{"title":"Verify Ethereum token contract legitimacy","prompt":"Can you pull the on-chain attestation info for this Ethereum ERC-20 contract — 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 — so I can check if it's legitimate before interacting with it?"},{"title":"Fetch Solana SPL mint metadata","prompt":"Get the attestation data for this Solana SPL mint address: EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v — I want to verify the token details on-chain."},{"title":"Enrich Base token data for a DeFi dashboard","prompt":"Fetch the on-chain token info for the Base contract 0x4200000000000000000000000000000000000006 so I can display verified token metadata on my dashboard."}],"resultDescription":"Returns on-chain attestation and metadata for the specified token contract, including details about the token's on-chain state and any attestation records associated with that contract address on the requested chain (Base, Ethereum, or Solana).","failureModes":["Invalid or malformed contract address returns a validation error","Token address not found on specified chain returns empty or not-found response","Insufficient USDC payment via x402 causes payment rejection before data is returned","Wrong chain specified for a given address type (e.g. Solana address with Base chain) returns an error","Network or RPC unavailability may cause timeout or 5xx errors"],"whenToPreferThis":"Choose this endpoint when you need on-chain token attestation or metadata for a specific ERC-20 or SPL mint address on Base, Ethereum, or Solana, and you want frictionless per-call access without setting up an account or API key — ideal for agents that pay in-band via x402 USDC micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:35:46.763Z","isFirstParty":false,"canonicalSlug":"tollkit-chain-token-attestation-lookup-9502ffe3"}