Tool detail
speech
Converts up to 1,000 characters of text to MP3 speech using one of seven English voices.
Categories: Speech audio
Use when
- convert short text to speech (MP3)
- generate a spoken narration clip under 1,000 characters
Not for
- not for text over 1,000 characters
- not voice cloning (separate product)
Inputs
POST JSON body: { input: string, <=1000 chars } (required); optional voice (7-choice enum); model/format/speed fixed
Inputs undocumented: untyped schema node
Endpoint
- Method
POST- URL
https://api.neurodynamic.tech/v1/audio/speech
Payment
- Protocol
- x402
- Listed price
- 0.005 USDC per call on Base
- Payment method
- exact
- Network
- eip155:8453
- Asset
- 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.
Source
- Directory
- Coinbase x402 Bazaar
- Record
- POST https://api.neurodynamic.tech/v1/audio/speech
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z