{"uid":"cap_9a7dcZ0jzFSILfz8IjL8f","slug":"fastapi-online-coin-search-d99f2734","name":"fastapi.online — Coin Search","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.","url":"https://api.fastapi.online/coin-search?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0005","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IFSdSg5KCJyfWgJA6OmkG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search for cryptocurrency coins by name or symbol query string","exampleAgentPrompt":"Can you search for coins matching 'ethereum' and tell me what comes back — I need the coin identifiers to use in a price lookup.","exampleUseCases":[{"title":"Resolve ticker to full coin name","prompt":"I have the ticker 'SOL' and I need to find its full coin name and any IDs I can use to query price data — can you search for it?"},{"title":"Validate a coin exists before trading","prompt":"Before I place a trade, search for 'Dogecoin' and confirm it exists in the system and grab its canonical identifier."},{"title":"Autocomplete coin search for a portfolio tool","prompt":"The user typed 'poly' into my crypto search box — can you search for coins matching that query and return the top results so I can show autocomplete suggestions?"}],"resultDescription":"Returns a list of matching cryptocurrency coins for the given query, likely including coin names, symbols, and identifiers that can be used in downstream lookups such as price or market data queries.","failureModes":["Empty query string returns no results or an error","Query with no matching coins returns empty array","Misspelled or very obscure coin names may return no matches","Network or server error returns 5xx response","Missing or invalid payment header returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need to resolve a user-provided coin name or ticker symbol to a canonical coin identifier, especially when building flows that chain into further crypto data lookups. Prefer this over general web search when you need structured, machine-readable coin metadata rather than prose results, and when paying per-call with crypto (no signup) is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T01:26:57.207Z","isFirstParty":false,"canonicalSlug":"fastapi-online-coin-search-d99f2734"}