{"uid":"cap_gqsuRMVIEEgmjWsBs9lWW","slug":"obol-btc-usd-spot-price-feed-signed-0d8991e8","name":"Obol BTC/USD Spot Price Feed (Signed)","description":"Bitcoin BTC USD spot price only — single-asset price for trading agents. Cryptographically signed (Ed25519) — every response is independently verifiable via /.well-known/obol-pubkey.","url":"https://obol-x402.fly.dev/v1/btc/spot","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FOVg8cy4c7C0ecB-073fF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","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 spot price in USD, cryptographically signed with Ed25519 for independent verification.","exampleAgentPrompt":"What's Bitcoin's current USD spot price? I need a cryptographically signed quote I can independently verify.","exampleUseCases":null,"resultDescription":"Returns the current BTC/USD spot price as a single numeric value, accompanied by an Ed25519 cryptographic signature and metadata (timestamp, source exchange). The signature can be independently verified against the public key published at /.well-known/obol-pubkey.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 requiring x402 payment","Upstream exchange data unavailable — may return a stale or error response","Signature verification fails if public key endpoint is unreachable","Network timeout on fly.dev infrastructure — retry recommended"],"whenToPreferThis":"Choose this endpoint when your agent needs a single, real-time BTC/USD spot price that is cryptographically signed and independently verifiable — ideal for trading bots, audit trails, or any workflow requiring tamper-proof price attestation. Prefer the Trader Bundle sibling endpoint if you also need ETH or mempool data in the same call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:27:46.302Z","isFirstParty":false}