F grade
http-error
— score
2356 ms
0.0% uptime over 4 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://uat-api.certaindata.ai/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-10 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | Uat-Api | paid_api:uat-api.certaindata.ai |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/10003"><img src="https://agentprobe.org/badge/10003.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-09 10:08 | http-error | 404 | 2356 | detailsmeta {"card_url":"https://uat-api.certaindata.ai/.well-known/agent.json","vantage":"us-east-1"} | HTTP 404 | |||
| 2026-09-09 09:17 | connect-fail | 1807 | detailsmeta {"vantage":"us-east-1"} | h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED | ||||
| 2026-09-08 08:15 | connect-fail | 2880 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-07 07:34 | connect-fail | detailsmeta {"vantage":"us-east-1"} | ProtocolError: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED |