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CivicMerge x402 AI Text-to-Speech
x402
CivicMerge x402 AI Text-to-Speech is a paid API for AI agents from x402-ai-api.civicmerge.workers.dev, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-13).
Converts input text to synthesized speech audio using a specified voice, billed per call via x402 micropayments
Price / call$0.08
Success—
StatusUnknown
How this service works
Text-to-speech
Output
Returns synthesized speech audio corresponding to the input text, generated using the specified voice model (or default voice if not specified).
Example use cases
Example prompt
“Read this text aloud using the default voice: 'Welcome to our platform. We're glad to have you here.' and give me the audio output.”
Technical details
Endpoint
POSThttps://x402-ai-api.civicmerge.workers.dev/v1/audio/speechWhen to prefer
Use this endpoint when you need a pay-per-call text-to-speech conversion without subscription commitments, and your agent supports the x402 micropayment protocol for USDC-based billing on Cloudflare Workers infrastructure.
Side effects
- Empty or missing input text returns validation error
- Invalid voice identifier may fall back to default or return error
- Request timeout for very long text inputs
- Payment failure via x402 protocol if USDC balance is insufficient
- Rate limiting if too many requests are made in quick succession
Input
{
"input": "Welcome to our platform. We're glad to have you here.",
"voice": "default"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | string | Text to convert to speech |
| voice | string |
Output
{
"_binary": true,
"_nonJson": true,
"_contentType": "audio/mpeg"
}Tags
x402
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