{"uid":"cap_DfEtGfJYFJwM9fA0fnjrm","slug":"x402-toolbox-chain-token-symbol-lookup-5d8ab7e4","name":"x402-toolbox Chain Token Symbol Lookup","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/chain/token-symbol?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"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_zBjBI6SEgYAwGCHf0pGnW","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":"Looks up the token symbol for a given blockchain/chain via a pay-per-call x402 endpoint, returning structured confirmation of payment and result.","exampleAgentPrompt":"What is the native token symbol for the Base blockchain?","exampleUseCases":[{"title":"Resolve chain token for DeFi agent","prompt":"Can you look up the native token symbol for the Ethereum mainnet? I need it to display the correct currency label in my DeFi dashboard."},{"title":"Validate token symbol before swap","prompt":"Before I execute this cross-chain swap, can you confirm the native token symbol for Optimism so I make sure I'm referencing the right asset?"},{"title":"Populate chain metadata in app","prompt":"I'm building a multi-chain wallet and need the native token symbol for the Polygon network — can you fetch that for me?"}],"resultDescription":"Returns a JSON object with an 'ok' boolean indicating success, a 'paid' boolean confirming x402 USDC payment was processed, and the token symbol for the queried chain.","failureModes":["Missing or invalid chain schema input returns an error or empty result","Payment failure via x402 results in 402 response and no data returned","Unknown or unsupported chain returns no matching token symbol","Network timeout from Cloudflare Worker edge","Malformed schema string causes parsing error"],"whenToPreferThis":"Choose this endpoint when you need a quick, no-signup, pay-per-call lookup of a blockchain's native token symbol and are operating in an x402-compatible USDC/Base payment environment. Ideal for AI agents that need deterministic chain metadata without managing API keys.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:00.052Z","isFirstParty":false,"canonicalSlug":"x402-toolbox-chain-token-symbol-lookup-5d8ab7e4"}