# GEDX402 Aura-2 Text-to-Speech

> GEDX402 Aura-2 Text-to-Speech is a paid API for AI agents from media.gedx402.com, paid per call via x402, $0.302/call, status unknown (last checked 2026-09-13).

Converts text to speech audio using the Aura-2 English TTS model, paid per-call in USDC via x402 protocol with no API keys required.

## Facts

- Endpoint: GET https://media.gedx402.com/v1/tts/aura-2-en
- Price: $0.302/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/gedx402-aura-2-text-to-speech-edbd520a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gZJGzOP_WiH0o5rx3U2Cl

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability gedx402-aura-2-text-to-speech-edbd520a
```

Example prompt: Can you convert this paragraph into spoken audio using the Aura-2 English voice: 'Welcome to our quarterly product update. We are excited to share several new features launching this month.'

## When to prefer this

Choose this endpoint when you need text-to-speech synthesis without API key registration, want to pay per-call in USDC on Base, Polygon, Arbitrum, World, or Solana, and specifically want the Aura-2 English voice model via Cloudflare Workers AI.

## Known failure modes

- Payment failure if insufficient USDC balance on supported chain
- Invalid or unsupported voice ID returns error
- Empty or missing text field causes synthesis failure
- Network timeout on long text inputs
- Unsupported blockchain network rejected by x402 facilitator

## How this service works

x402 workers ai. pay with usdc on base, polygon, arbitrum, world, or solana. no api keys.

## Output

A JSON object containing a base64-encoded audio string representing the synthesized speech of the provided text, ready to be decoded and played or saved as an audio file.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "description": "Text to synthesize into speech."
  },
  "voice": {
   "type": "string",
   "description": "Optional voice id when the model supports multiple voices."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "audio": "<base64>"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/gedx402-aura-2-text-to-speech-edbd520a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from media.gedx402.com](https://www.zero.xyz/host/media.gedx402.com/llms.txt)