api.delx.ai x402 live-probe

https://api.delx.ai/api/v1/x402/live-probe

answers 402

Verify any third-party x402 endpoint is alive and correctly configured before paying it: a bounded GET/402 preflight fetches the payment contract, checks reachability and response latency, validates accepts, network, price and expiry against the x402 spec, and returns a signed observation receipt with an observed_at timestamp you can cite — protection against ghost endpoints, dead quotes and waste

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

Price: $0.005
Network: base
Pay to: 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2
Spec dialect: v2 (declares x402Version 2)
Transport: PAYMENT-REQUIRED header
HTTP method: POST
Response latency: 234 ms
Payment options: 3 usable of 3
Last checked: 2026-09-06T01:22:27.342Z (2h ago)
Category: finance-crypto

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