Delx Commerce text to speech API for agents at $0.002 USDC. Call when you need short narration, voiceover, IVR prompts, or notification clips without a TTS subscription. Kokoro WAV + SHA-256 via x402 on Base. Accepts native `text` or OpenAI-shaped `input`/`voice`/`speed` (up to 500 characters). Not a phone carrier or realtime voice session.
POST https://api.delx.ai/api/v1/x402/speechListed in 3 directories: bazaar, x402-list, x402-new. First seen 5 Sept 2026.
Call this service
The endpoint answers an unpaid request with an HTTP 402 and a payment challenge. @x402/fetch signs it, pays in USDC, and retries — you get the result back in one call.
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const pay = wrapFetchWithPayment(fetch, account);
const res = await pay("https://api.delx.ai/api/v1/x402/speech", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({ /* see the 402 challenge for the shape */ }),
});
console.log(await res.json());More from api.delx.ai
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Uptime and compliance: x402-list.com (CC BY 4.0). Safety scores: x402.direct. Call and payer counts: x402.new. AMNT indexes this endpoint and does not host, operate or vouch for it.