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Free x402 endpoint checker

Enter the URL of an endpoint that answers HTTP 402. PageVerified requests it once with GET and reads the x402 offer it returns.

What it checks

How this check works

  • Reads x402 version 2 (the PAYMENT-REQUIRED header) and version 1 (a JSON body).
  • Also reads a Machine Payments Protocol challenge (WWW-Authenticate: Payment) from the same response.
  • Shows each offer: network, asset, amount and pay-to address.
  • Flags fields that break the format.
  • Sends one GET. It never sends a POST and never signs or pays.
  • An endpoint passes when it answers 402 with a well-formed x402 offer or MPP challenge.

Requests come from PageVerifiedBot, obey robots.txt and never reach private addresses. Results are worked out when you ask and are not stored. Free checks are limited per visitor and per hour.