deliberately brokenMPP

MPP 402 with no challenge

A bare 402 and a problem+json body, with no WWW-Authenticate header to answer.

Your client should Treat it as unpayable, and not hang.

Protocol: MPP
Network: Base Sepolia
Price: 0.0001 USDC
Scheme: exact
Facilitator: x402.org
Behavior: No challenge header

A bare 402 with no challenge at all. Your client should treat it as unpayable, not hang.

Customize this test

Your endpointNo challenge header

/api/mpp?quirk=missing-challenge

Try it

curl -i "https://test402.com/api/mpp?quirk=missing-challenge"

Returns 402 with no challenge header.

Response it will return (HTTP 402)

{
  "type": "https://paymentauth.org/problems/payment-required",
  "title": "Payment Required",
  "status": 402,
  "note": "test402 scenario. quirk=missing-challenge"
}