{"uid":"cap_35wurm0KZbzSBLKSrlCps","slug":"gambit-whisper-audio-transcription-x402-usdc-df6d3f0e","name":"Gambit Whisper Audio Transcription (x402/USDC)","description":"Gambit GPU shop. Humans: /signup ($1 credit), X-API-Key on /v1/*, QR Lightning top-up. Bots: L402 Lightning (LIVE) on /l402/*, x402 USDC on Base on /x402/*, or POST /v1/register ($0) then POST /v1/topup/lightning. Handwritten letter POST /x402/letter at $25.00 USDC. Funnel https://gambit.barrioenergy.com. Free probe GET|POST /x402/models.","url":"https://gambit.barrioenergy.com/x402/transcribe","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"audio_url":{"type":"string","description":"http(s) URL of audio (mpeg/wav/ogg/webm/mp4). Multipart field file also accepted."}}},"responseSchema":{"type":"json","example":{"sku":"whisper-stt","text":"ask not what your country can do for you","model":"whisper-large-v3"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tbZB_hGdIHBX11-aEkO_O","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Transcribes audio files to text using OpenAI Whisper large-v3, payable per-call via x402 USDC on Base at $0.03","exampleAgentPrompt":"Can you transcribe this audio file for me? Here's the URL: https://example.com/meeting-recording.mp3 — I need the full spoken text from it.","exampleUseCases":[{"title":"Podcast episode transcription","prompt":"Transcribe this podcast episode for me so I can turn it into a blog post — the audio is at https://cdn.mypodcast.com/episode42.mp3"},{"title":"Voice memo to notes","prompt":"I recorded a voice memo and uploaded it here: https://storage.example.com/memo-2024-01-15.wav — can you convert it to text so I can copy the notes?"},{"title":"Meeting recording to text","prompt":"We recorded our team standup at https://recordings.example.com/standup-jan15.webm — please transcribe it so I can share a written summary with the team."}],"resultDescription":"Returns a JSON object containing the transcribed text (the full spoken content of the audio), the model used (whisper-large-v3), and the SKU (whisper-stt). Example: {\"sku\":\"whisper-stt\",\"text\":\"ask not what your country can do for you\",\"model\":\"whisper-large-v3\"}","failureModes":["Unsupported audio format — only mpeg/wav/ogg/webm/mp4 are accepted","Unreachable audio URL — endpoint cannot fetch the file at the given http(s) URL","Payment failure — x402 USDC payment on Base not completed or insufficient balance","File too large — oversized audio may be rejected or time out","Empty or silent audio — may return empty text string","Network timeout — large audio files may exceed processing time limits"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call audio transcription without an API subscription, especially in agent or bot workflows that can pay $0.03 USDC per call via the x402 protocol on Base. It is ideal for crypto-native pipelines or AI agents that handle micropayments natively. Prefer this over hosted STT services when you want no monthly commitment and automatic per-inference billing settled on-chain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":2,"lastUsedAt":"2026-09-05T14:41:46.726Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:30:11.408Z","isFirstParty":false}