78trust / 100
Audio Speech
by Text-to-speech in AI models & inference
x402 APIPassing, checked 1 h ago
OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a five-model failover chain (xAI Grok Voice, Kokoro, MAI-Voice-2 Flash, MAI-Voice-2), every link proven by a real paid canary - a provider outage never becomes your failure. Up to 2,000 chars in, raw mp3 (default) or pcm bytes out - the same wire shape as OpenAI's endpoint.
POST https://agent402.tools/v1/audio/speech
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 283 ms typical, 319 ms slowest 5%
- Last check
- 1 h ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/v1/audio/speech" \
-H "content-type: application/json" \
-d '{"input":"Agent402 serves fourteen hundred tools, paid per call.","voice":"alloy"}'import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client().register(
"eip155:8453",
new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fv1%2Faudio%2Fspeech
const res = await pay("https://agent402.tools/v1/audio/speech", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({"input":"Agent402 serves fourteen hundred tools, paid per call.","voice":"alloy"}),
});
console.log(await res.json());Example input
{
"input": "Agent402 serves fourteen hundred tools, paid per call.",
"voice": "alloy"
}Example output
"(raw mp3 bytes - Content-Type: audio/mpeg)"Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 1 h ago | Passed | 402 | 190 ms | $0.06 |
| 5 h ago | Passed | 402 | 272 ms | $0.06 |
| 9 h ago | Passed | 402 | 314 ms | $0.06 |
| 12 h ago | Passed | 402 | 283 ms | $0.06 |
| 16 h ago | Passed | 402 | 268 ms | $0.06 |
| 19 h ago | Passed | 402 | 315 ms | $0.06 |
| 23 h ago | Passed | 402 | 432 ms | $0.06 |
| 27 h ago | Passed | 402 | 316 ms | $0.06 |
| 30 h ago | Passed | 402 | 319 ms | $0.06 |
| 34 h ago | Passed | 402 | 316 ms | $0.06 |
| 37 h ago | Passed | 402 | 273 ms | $0.06 |
| 43 h ago | Passed | 402 | 258 ms | $0.06 |