{"uid":"cap_-gnIJwg_OSkOL7jAX5lDc","slug":"api-myceliasignal-com-6c854f70","name":"Mycelia Signal BTC/USD VWAP Oracle","description":"Bitcoin volume-weighted average price in USD for order execution and fair value benchmarking — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/price/btc/usd/vwap","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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"domain":"BTCUSD/VWAP","pubkey":"f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615","canonical":"v1|PRICE|BTCUSD|73311.47|USD|2|bitfinex,bitstamp,coinbase,gateio,gemini,kraken,okx|vwap|1780029613|746648","signature":"f2ec530a925d93883154ceea419387cc96045e503e500d85e4657c7304a3f0259bd86fb14cf8006319a4476207fa91c57ef27239f805ad48358e8fbb1f4f2900","signingScheme":"ed25519"}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ddI-csz3-fWVtFYwwpCoP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a cryptographically signed (Ed25519) Volume-Weighted Average Price attestation for BTC/USD","exampleAgentPrompt":"What's the current volume-weighted average price of Bitcoin in USD right now? I need a cryptographically signed attestation I can trust.","exampleUseCases":null,"resultDescription":"Returns a signed JSON payload containing the BTC/USD VWAP price, a timestamp, and an Ed25519 digital signature that allows consumers to verify the data's authenticity and integrity without trusting the transport layer.","failureModes":["Payment not provided or invalid (402 Payment Required)","Upstream price feed unavailable or stale (503 Service Unavailable)","Signature verification failure on consumer side if public key is outdated","Rate limiting if too many requests in short window (429 Too Many Requests)"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically attested, tamper-evident BTC/USD price — particularly for smart contracts, DeFi protocols, or any use case requiring verifiable price provenance. The Ed25519 signature makes it superior to unsigned feeds when auditability or on-chain verification matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:57:17.038Z","isFirstParty":false}