All tests
deliberately brokenMPP

Oversized MPP header

An MPP challenge padded past the 8KB header buffer many proxies and hardened clients enforce.

Your client should Fail cleanly; a reduced-limit HTTP parser rejects the response.

Protocol
MPP
Network
Base Sepolia
Price
0.0001 USDC
Scheme
exact
Facilitator
x402.org
Behavior
Oversized header

The challenge header is padded to ~14KB, past the 8KB buffers common to proxies and hardened HTTP clients. A client whose parser rejects it never sees the 402 -- it should fail cleanly, not crash.

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