x402.tavily.com search

https://x402.tavily.com/search

answers 402, partial

Tavily Search - advanced mode

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse. It advertises 2 ways to pay and only 1 of them are usable.

Price: $0.01
Network: base
Pay to: 0x3d72a7928c6261cb29e32ccb08c59d0e354af667
Spec dialect: v2 (declares x402Version 2)
Transport: PAYMENT-REQUIRED header
HTTP method: POST
Response latency: 1368 ms
Payment options: 1 usable of 2
Last checked: 2026-08-15T14:21:32.307Z (12h ago)
Category: search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.tavily.com%2Fsearch"