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Autumn Eight Audio Transcription
x402
Autumn Eight Audio Transcription is a paid API for AI agents from x402.autumn8.net, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).
Transcribes audio files to text using an agent-payable x402 inference endpoint
Price / call$0.01
Success—
StatusUnknown
How this service works
Agent-payable inference. Chat, embeddings, rerank, transcription and speech.
Output
Returns a text transcription of the spoken content from the submitted audio file, converting speech to readable text.
Example use cases
Meeting recording transcription
“I have an audio file of our team meeting from earlier today — can you transcribe it so I can share the notes with everyone?”
Podcast episode to text
“Take this podcast episode audio file and transcribe it into text so I can turn it into a blog post.”
Voice memo to written notes
“I recorded a quick voice memo with some ideas — can you convert it to text so I can paste it into my notes app?”
Technical details
Endpoint
POSThttps://x402.autumn8.net/v1/audio/transcriptions?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need agent-native, pay-per-use audio transcription without managing API keys or subscriptions — especially in autonomous agent workflows where x402 micropayment support is required. Well-suited for one-off transcription tasks at $0.01 USDC per call.
Side effects
- Unsupported audio format or codec may cause processing failure
- Audio file too large or corrupted may result in an error
- Payment failure (x402) if wallet balance is insufficient for the $0.01 USDC fee
- Very noisy or unclear audio may produce inaccurate transcriptions
- Missing or malformed 'file' field in request body returns a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| file | string |
Tags
x402
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