F grade
http-error
— score
1096 ms
0.0% uptime over 5 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://api.letter.ai/
ard first seen 2026-09-07 · last seen 2026-09-11 · json
Same host
agents-txt × 1 llms-txt × 1 mcp × 1 · 1 alive robots × 1 sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/3859094"><img src="https://agentprobe.org/badge/3859094.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-11 11:11 | http-error | 404 | HTTP/1.1 | 1096 | detailsmeta {"http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-10 10:09 | http-error | 404 | HTTP/1.1 | 1146 | detailsmeta {"http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-09 09:20 | http-error | 404 | 2273 | detailsmeta {"vantage":"us-east-1"} | HTTP 404 | |||
| 2026-09-08 08:18 | http-error | 404 | 1829 | detailsmeta {"vantage":"us-east-1"} | HTTP 404 | |||
| 2026-09-07 03:16 | http-error | 404 | 74 | details | HTTP 404 |