{"uid":"cap_wV_ZRSlv1cVWaNHIFIhpF","slug":"x402-trading-useotto-xyz-5a473831","name":"x402-trading ERC-20 Token Search","description":"Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche). 5000+ tokens from CoinGecko.","url":"https://x402-trading.useotto.xyz/supported-tokens","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["chainId","search"],"properties":{"search":{"type":"string","description":"Token symbol or 0x address"},"chainId":{"type":"string","description":"Chain ID (8453=Base, 1=Ethereum, 42161=Arbitrum)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"status":{"type":"string"},"tokens":{"type":"array"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"search":"USDC","chainId":"8453"}}},"response":{"count":1,"query":"USDC","status":"success","tokens":[{"name":"USDC","symbol":"USDC","address":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","chainId":8453,"logoURI":"https://assets.coingecko.com/coins/images/6319/thumb/USDC.png?1769615602","decimals":6}],"chainId":8453,"powered_by":"[Powered by $OTTO AI | @useOttoAI]"}},"exampleRequest":{"search":"USDC","chainId":"8453"},"tags":["x402"],"displayCostAmount":"0.001000","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.001000/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4EiXMZpR4bTJPhm0zjhmQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search and look up supported ERC-20 tokens by symbol or contract address across 6 blockchain networks, returning token metadata from a CoinGecko-sourced dataset of 5000+ tokens.","exampleAgentPrompt":"Search for the token USDC on Base (chain ID 8453) and give me its contract address and any other details you find.","exampleUseCases":null,"resultDescription":"Returns a list of matching ERC-20 tokens with their symbol, contract address, chain ID, and metadata for tokens matching the search query on the specified chain — drawn from a CoinGecko-sourced dataset of 5000+ tokens across Base, Ethereum, Arbitrum, Polygon, BSC, and Avalanche.","failureModes":["No tokens found matching the search term on the specified chain — returns empty tokens array","Invalid or unsupported chain ID provided — may return empty results or error","Malformed 0x address in search param — may return no matches","Payment failure via x402 protocol — request blocked before reaching token lookup logic","Rate limiting or quota exhaustion — request rejected"],"whenToPreferThis":"Use this endpoint when you need to resolve a token symbol to a contract address (or vice versa) across major EVM chains before executing a trade, portfolio lookup, or DeFi operation. Prefer this over on-chain queries when you need fast, pre-indexed token discovery without RPC calls. It complements the sibling trading and portfolio endpoints on the same platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:33:24.148Z","isFirstParty":false}