{"uid":"cap_mi9d0rzFnNUAkMUqMfSVb","slug":"fastapi-online-btc-price-lookup-ecd29461","name":"fastapi.online — BTC Price Lookup","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/btc-price?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":[],"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}},"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":"unknown","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_ymqKRSZ8jh-Z4MfawxFgV","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":"Returns the current Bitcoin (BTC) price, likely in USD, from a self-hosted endpoint priced per call via crypto micropayment.","exampleAgentPrompt":"What's the current price of Bitcoin right now?","exampleUseCases":[{"title":"Real-time BTC portfolio valuation","prompt":"I have 0.5 BTC — can you grab the current Bitcoin price and tell me what my holdings are worth right now?"},{"title":"Crypto trading bot price check","prompt":"Fetch me the latest Bitcoin price so I can decide whether to trigger a buy order."},{"title":"Daily BTC price briefing","prompt":"What's Bitcoin trading at today? I want to track it in my morning finance summary."}],"resultDescription":"The current Bitcoin (BTC) price, most likely expressed as a numeric value in USD or a supported fiat currency, returned as a JSON response from the self-hosted fastapi.online service.","failureModes":["Payment not received or insufficient USDC — returns HTTP 402 Payment Required","Upstream price feed unavailable — may return 503 or error JSON","Malformed request body — returns 422 Unprocessable Entity","Rate limiting or overload on self-hosted infrastructure — may return 429 or 503"],"whenToPreferThis":"Choose this endpoint when you need a quick, no-signup, pay-per-call Bitcoin price lookup using crypto micropayments (x402/USDC). Suitable for agents that already support x402 payment flows and need a lightweight BTC price feed without API key registration. Prefer alternatives if you need historical data, multiple cryptocurrencies, or guaranteed SLA.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:48:16.740Z","isFirstParty":false,"canonicalSlug":"fastapi-online-btc-price-lookup-ecd29461"}