Level 1
Unpaid structural proof
This proof checks that the endpoint returns a valid unpaid MPP challenge and that the challenge can be parsed and normalized by the registry.
nacUPISe-9...OlY_6ed_5cee32746f-d...5718846ef1Tempo RPC · Public certification
No current certification signal is available.
POST /
Level 1 confirms that the endpoint speaks MPP correctly before payment. Level 2 confirms that the registry actually paid the endpoint and received a successful response.
Level 1
This proof checks that the endpoint returns a valid unpaid MPP challenge and that the challenge can be parsed and normalized by the registry.
nacUPISe-9...OlY_6ed_5cee32746f-d...5718846ef1Level 2
This proof shows whether the registry actually paid the endpoint and received a successful post-payment response, using the stored receipt and payment reference as auditable evidence.
0x3a67b88f90...3c4bfab57de545e51a4c48a7...9ce96fbd217aec95e2f0-4...e754961674Providers can embed this badge directly in docs, status pages, or changelogs. The link points back to this certification page so agents and humans can inspect the proof details.
Unpaid probe · 771 occurrence(s)
The endpoint still has unpaid proof, but the paid verification window has expired.
Recent paid probes are succeeding less reliably than the expected production baseline.