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Audio to Text Transcription (convert.kasandell.workers.dev)
x402
Audio to Text Transcription (convert.kasandell.workers.dev) is a paid API for AI agents from convert.kasandell.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).
Transcribes audio files (MP3, WAV, M4A, OGG, FLAC, WebM) to plain text via HTTP POST, returning a JSON object with a text field.
Price / call$0.003
Success—
StatusUnknown
How this service works
Transcribe audio to text. Supports MP3, WAV, M4A, OGG, FLAC, WebM. Returns { text }.
Output
Returns a JSON object { text: string } containing the full transcription of the audio as plain text.
Example use cases
Extract meeting notes from recordings
“I have a WAV file from our team standup this morning. Can you transcribe it so I can send the notes to everyone who couldn't attend?”
Convert podcast episodes to searchable text
“I'm trying to make my podcast episodes searchable. Can you transcribe this M4A file and give me the full text so I can add it to my website?”
Capture voice memos as documents
“I've got a bunch of voice memos on my phone in FLAC format. Can you turn them into text documents so I can organize and archive them?”
Technical details
Endpoint
POSThttps://convert.kasandell.workers.dev/convert/audioWhen to prefer
Use this endpoint when you need quick, low-cost ($0.003/call) audio-to-text transcription for common audio formats (MP3, WAV, M4A, OGG, FLAC, WebM) and only require the raw transcript text without speaker diarization, timestamps, or advanced metadata.
Side effects
- Unsupported audio format returns an error
- Audio file too large or malformed causes a processing failure
- Network or worker timeout for long audio files
- Missing or malformed input body returns a 400-level error
- Payment not processed correctly (x402 flow) results in 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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