Exa · Public certification

Uncertified

No current certification signal is available.

Uncertified No active certification tier Health 55/100 Tempo Mpp 402
Open badge SVG Proof JSON Registry detail Open endpoint

Trust summary

Endpoint POST /answer
Service Exa
Last unpaid proof
Last paid proof
Current intent Charge
Observed price 0.01 token
Open findings 1
Active incidents 1

Proof levels

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

Unpaid structural proof

Verified

This proof checks that the endpoint returns a valid unpaid MPP challenge and that the challenge can be parsed and normalized by the registry.

Latest outcomeVerified
Checked at
HTTP status402
Latency29 ms
Challenge count1
Fresh until
Primary challenge_R3WMouoXT...65FWcsOshg
Run idc0e05cf0-f...3607221413

Level 2

Paid delivery proof

Awaiting paid proof

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.

Latest outcomeVerified
Checked at
HTTP status200
Latency16,893 ms
Billed amount0.01 token
Fresh until
Payment reference0x3122b2c03a...23c9a3b2a838
Receipt statusSuccess
Receipt timestamp
Response content typeapplication/json; charset=utf-8
Response fingerprintde41f0c806f0...5562e8e8d1c2
Run ide246e488-4...5a2597a9d5

Badge and embed

Providers 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.

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Signals and findings

Challenge only exposes chainId inside methodDetails. Info

Unpaid probe · 761 occurrence(s)

Paid proof stale Warning

The endpoint still has unpaid proof, but the paid verification window has expired.