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Neurodynamic Whisper Large-v3-Turbo Audio Transcription
x402
Neurodynamic Whisper Large-v3-Turbo Audio Transcription is a paid API for AI agents from api.neurodynamic.tech, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Transcribes a short audio clip (WAV, MP3, FLAC, or Ogg, up to 60 seconds / 12 MiB) to JSON text using Whisper large-v3-turbo, for 0.01 USDC per call.
Price / call$0.01
Success—
StatusUnknown
How this service works
Introductory pricing. NeuroDynamic speech-to-text transcription: convert a voice note or short audio recording into a JSON transcript. Up to 60 seconds and 12 MiB; WAV, MP3, FLAC or Ogg. No account needed. Read https://api.neurodynamic.tech/docs for inputs, privacy and payment recovery. 0.01 USDC on Base.
Output
A JSON object containing the transcribed text of the submitted audio clip, produced by the Whisper large-v3-turbo model. The transcript field holds the plain text of the recognized speech.
Example use cases
Voice memo to meeting notes
“I have a 30-second WAV recording of a quick verbal note I left myself after the meeting — can you transcribe it to text so I can add it to my notes?”
Podcast clip caption generation
“Here's a 55-second MP3 excerpt from our podcast episode. Can you transcribe what's being said so I can use it as a caption or show-notes snippet?”
Multilingual customer voicemail transcription
“I've got a short Ogg voicemail from a customer speaking French — can you transcribe it to text? The language code is 'fr'.”
Technical details
Endpoint
POSThttps://api.neurodynamic.tech/v1/audio/transcriptionsWhen to prefer
Choose this endpoint when you need fast, affordable speech-to-text transcription for clips up to 60 seconds and 12 MiB in WAV, MP3, FLAC, or Ogg format, and you want to pay per call via USDC on Base with no subscription. It uses the Whisper large-v3-turbo model, making it a strong choice for high-accuracy multilingual transcription at very low cost per clip.
Side effects
- Audio file exceeds 60-second duration limit — request rejected
- File size exceeds 12 MiB — request rejected
- Unsupported audio format submitted (e.g. AAC, M4A) — error returned
- Payment of 0.01 USDC on Base not provided or insufficient — 402 Payment Required
- Unintelligible or silent audio — empty or low-quality transcript returned
- Incorrect language code format (not two lowercase letters) — validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| file | string | WAV, MP3, FLAC or Ogg; max 60 seconds and 12 MiB |
| model | string | |
| language | string | |
| response_format | string |
Output
Schema · Response
{
"type": "json",
"example": {
"text": "Example transcript.",
"duration_seconds": 4
}
}Tags
x402
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