{"uid":"cap_hrC2mVmTX2Li079jJgt2S","slug":"nativebtc-mempool-stream-ticket-59fc03a2","name":"NativeBTC Mempool Stream Ticket","description":"Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.","url":"https://api.nativebtc.org/v1/mempool/stream-ticket","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ticket":"fp_ws_ticket_example","success":true,"expiresAt":1783720000000,"websocket":"wss://api.nativebtc.org/v1/mempool/stream?ticket=fp_ws_ticket_example"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OyAVRcFMJeD6TtXpn7ZIn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Issues a short-lived WebSocket authentication ticket granting access to the live Bitcoin mempool data stream.","exampleAgentPrompt":"Get me a WebSocket ticket for the live Bitcoin mempool stream so I can watch unconfirmed transactions in real time.","exampleUseCases":null,"resultDescription":"A short-lived WebSocket ticket (authentication credential) that the caller can use to open a live WebSocket connection to the Bitcoin mempool stream and receive real-time unconfirmed transaction data.","failureModes":["Payment not processed — 402 response requiring x402 payment of $0.005 USDC before ticket is issued","Ticket expiry — ticket is short-lived and may expire before WebSocket connection is established","Invalid or malformed GET request — 400 response if request structure does not match schema","Server unavailability — 503 if the mempool stream backend is temporarily offline"],"whenToPreferThis":"Use this endpoint when you need real-time, low-latency access to the Bitcoin mempool via WebSocket and are willing to pay a micro-fee per session ticket. Prefer this over polling-based alternatives when you need a continuous live stream of unconfirmed transactions rather than periodic snapshots.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:31:37.220Z","isFirstParty":false}