Marketplace · API · x402

api.language123.net/v1/tts

Text to speech (TTS) API: natural English speech with 28 voices (American and British, female and male; Kokoro-82M, open-licensed). Returns MP3 or WAV. Default voice af_heart; list voices at GET /v1/voices. Runs at about real time: 1,000 characters take about a minute. Priced per character.

Endpoint	`https://api.language123.net/v1/tts`
Trust	100% uptime over 1 checks · ~1099 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x0360F2276f55A7430667134577D396CD76ffDDfe
method	POST
last updated	2026-11-09T22:03:14.663Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.language123.net/v1/tts
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-421f0c3d47244705

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}