api.delx.ai x402 speech-hd

https://api.delx.ai/api/v1/x402/speech-hd

answers 402

Generate high-fidelity expressive speech for $0.08 USDC. Call when you need English, Portuguese, or Spanish voiceover with emotion, speed, and pitch for up to 500 UTF-8 bytes—not a phone carrier or realtime session. Returns a validated 32 kHz mono WAV URL and SHA-256 receipt. No API key, no subscription.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.

Price: $0.08
Network: base
Pay to: 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2
Spec dialect: v2 (declares x402Version 2)
Transport: PAYMENT-REQUIRED header
HTTP method: POST
Response latency: 836 ms
Payment options: 3 usable of 3
Last checked: 2026-09-06T01:15:13.362Z (2h ago)
Category: ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.delx.ai%2Fapi%2Fv1%2Fx402%2Fspeech-hd"