Generate MP3 narration with a catalogue voice

Introductory pricing: 0.005 USDC for one MP3 up to 1,000 input characters. Seven catalogue voices; no account or voice approval. Read https://api.neurodynamic.tech/narration for request format and payment recovery.

post/v1/audio/speech

Request

  • Base URL: https://api.neurodynamic.tech
  • URL: https://api.neurodynamic.tech/v1/audio/speech
  • Auth: none required

Headers

PAYMENT-SIGNATUREstring

Omit for a free 402 quote. Supply a locally signed x402 v2 payment authorisation to buy the result. No account or API key is required.

Request body

inputstring required
voice'af_heart' | 'af_bella' | 'bf_emma' | 'bf_alice' | 'bm_george' | 'am_michael' | 'am_fenrir'
model'kokoro'
response_format'mp3'
speedunknown
streamunknown

Response

MP3 and PAYMENT-RESPONSE receipt

Changes

No recorded changes to this operation across all 1 revision of this API.