{"uid":"cap_kt5zpuLN_R_RPSGo-QElT","slug":"x402-ai-api-civicmerge-workers-dev-b78c4a7e","name":"CivicMerge x402 Speech-to-Text Transcription","description":"Speech-to-text","url":"https://x402-ai-api.civicmerge.workers.dev/v1/audio/transcribe","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"file":{"type":"string","format":"binary","description":"Audio file (multipart form-data)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.020000","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":"$0.020000/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_jmG6ZfIj6A7c1Ly-tdvBA","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":"Transcribes an uploaded audio file to text using AI-powered speech recognition, billed per call via x402 micropayment protocol","exampleAgentPrompt":"Can you transcribe this audio file I'm uploading — it's a recorded voice note from my meeting this morning — and give me the full text transcript?","exampleUseCases":[{"title":"Convert voice memos to searchable text","prompt":"I've got a bunch of voice notes from my brainstorming session yesterday. Can you transcribe each one so I can search through them and find the ideas I mentioned about the product roadmap?"},{"title":"Extract dialogue from customer call recordings","prompt":"We just finished a customer support call and I recorded it. Can you transcribe the entire conversation so I can pull out the key issues they mentioned and create a support ticket?"},{"title":"Turn podcast episodes into written summaries","prompt":"I listen to a lot of podcasts but rarely have time to take notes. Can you transcribe this episode I downloaded so I can quickly skim it and highlight the important takeaways?"}],"resultDescription":"Returns a text transcript of the spoken content in the uploaded audio file, produced by an AI speech-to-text model. Billed at $0.02 USDC per call via x402 protocol.","failureModes":["Unsupported audio format results in an error response","Audio file too large or too long may cause timeout or rejection","Missing or malformed multipart form-data causes 400 bad request","Payment not authorized or x402 handshake fails results in 402 Payment Required","Inaudible or silent audio may return empty or low-confidence transcript","Network or Cloudflare Worker timeout on large files"],"whenToPreferThis":"Choose this endpoint when you need per-call micropayment-based speech-to-text transcription without a subscription, especially in agentic workflows using the x402 payment protocol. Ideal for low-volume or pay-as-you-go transcription needs on Cloudflare's edge infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-08-05T13:53:40.641Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:39:49.972Z","isFirstParty":false}