{"uid":"cap_RpnpOCE6xP2AyPnRqBG2k","slug":"prysm-assemblyai-provider-audio-transcription-via-x402-cb24c526","name":"Prysm AssemblyAI Provider — Audio Transcription via x402","description":"Prysm sells paid, agent-ready provider capabilities over x402 on Base mainnet using USDC.","url":"https://prysm-kappa.vercel.app/api/v1/providers/assemblyai","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","description":"Provider-specific operation parameters.","additionalProperties":true},"operation":{"type":"string","description":"Allowlisted operation for the selected provider."}}},"responseSchema":{"type":"json","example":{"data":{},"provider":"assemblyai","operation":"transcribe"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FeCbeVHX1ZW6Vu68XIzMQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","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 AssemblyAI, billed per-call in USDC over the x402 protocol on Base mainnet.","exampleAgentPrompt":"Can you transcribe this audio recording for me — use the AssemblyAI provider with the transcribe operation, and pass in the URL to my MP3 file at https://example.com/meeting.mp3?","exampleUseCases":[{"title":"Transcribe recorded podcast episode","prompt":"I have a podcast episode saved at https://cdn.example.com/episode42.mp3 — can you run the transcribe operation via AssemblyAI on Prysm and give me the full text transcript?"},{"title":"Convert team meeting recording to text","prompt":"We recorded our standup call and it's at https://storage.example.com/standup-2024-06-10.wav — please transcribe it using AssemblyAI so I can share the notes with the team."},{"title":"Extract spoken dialogue from interview audio","prompt":"I have an interview recording at https://media.example.com/interview-jane.mp3 and I need the spoken words turned into text — transcribe it using the AssemblyAI provider."}],"resultDescription":"Returns a JSON object containing the transcription result from AssemblyAI, including the transcript text and metadata, wrapped with the provider name and operation used.","failureModes":["Invalid or inaccessible audio URL returns an error from AssemblyAI","Unsupported audio format may cause transcription failure","Payment failure via x402 if USDC balance is insufficient on Base mainnet","Unknown or non-allowlisted operation string causes rejection","Large audio files may time out or require polling for completion"],"whenToPreferThis":"Choose this endpoint when you need speech-to-text transcription powered by AssemblyAI and want to pay per-call in USDC via the x402 micropayment protocol on Base, without managing an AssemblyAI API key directly. Useful for agents operating in crypto-native payment environments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:33:58.923Z","isFirstParty":false}