{"uid":"cap_gMjozxHazd3f_ItyIOChJ","slug":"x402engine-crypto-search-api-e0044aef","name":"x402engine Crypto Search API","description":"Search for a coin by name or symbol to get its CoinGecko ID","url":"https://x402engine.app/api/crypto/search","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":["q"],"properties":{"q":{"type":"string","example":"bitcoin","description":"Search query (coin name or symbol)"}},"additionalProperties":false}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/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_Tvp_3GvCatyMbBuJgp2v0","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":"Searches for cryptocurrency information by coin name or symbol, returning relevant coin data","exampleAgentPrompt":"Search for information about the coin with the symbol 'SOL' — I want to know what it is and get its key details.","exampleUseCases":[{"title":"Identifying unknown crypto ticker","prompt":"I saw a coin ticker 'AVAX' mentioned somewhere — can you look it up and tell me what coin that is?"},{"title":"Researching altcoin by name","prompt":"Search for Chainlink in the crypto database and pull up whatever details come back about it."},{"title":"Verifying coin symbol before trading","prompt":"Before I do anything, can you confirm that 'DOT' is the symbol for Polkadot by searching for it?"}],"resultDescription":"Returns cryptocurrency information matching the search query, including coin name, symbol, and relevant metadata for coins matching the provided name or symbol string.","failureModes":["Empty or ambiguous query returns no results or irrelevant coins","Unknown coin name or symbol returns empty result set","Payment failure (402) if USDC/USDm balance is insufficient","Rate limiting or service unavailability returns 5xx error","Misspelled coin name may return no matches"],"whenToPreferThis":"Use this endpoint when you need to search or identify a cryptocurrency by name or symbol and want pay-per-call micropayment pricing with no subscription. Prefer this over free public APIs when building autonomous AI agents that need metered, on-chain payment access to crypto data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:39:53.720Z","isFirstParty":false}