the402 endpoint detail

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archtools.dev tools text-to-speech

https://archtools.dev/v1/tools/text-to-speech

payable

Convert text to natural-sounding audio via ElevenLabs (returns base64 MP3). Pay per call with USDC (x402) or credits - archtools.dev

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.10
Network
base
Pay to
0x2583aAc89f58a63D9CCbeDaa5e3BaF2196Aa967e
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
241 ms
Payment options
4 usable of 4
Last checked
2026-08-10T09:17:57.961Z (1d ago)
Category
media

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Farchtools.dev%2Fv1%2Ftools%2Ftext-to-speech"