F grade
http-error
— score
1781 ms
0.0% uptime over 13 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://x402.browserbase.com/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-19 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | Browserbase | paid_api:x402.browserbase.com |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 sigdir × 1 x402 × 11 · 1 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/10673"><img src="https://agentprobe.org/badge/10673.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-18 18:24 | http-error | 404 | HTTP/1.1 | 1781 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-17 17:21 | http-error | 404 | HTTP/1.1 | 1282 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-16 16:25 | http-error | 404 | HTTP/1.1 | 1158 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-15 15:24 | http-error | 404 | HTTP/1.1 | 1208 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-14 14:33 | http-error | 404 | HTTP/1.1 | 1019 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-13 14:11 | http-error | 404 | HTTP/1.1 | 752 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-12 13:06 | http-error | 404 | HTTP/1.1 | 647 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-11 12:12 | http-error | 404 | HTTP/1.1 | 898 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-10 11:13 | http-error | 404 | HTTP/1.1 | 683 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-09 10:16 | http-error | 404 | HTTP/1.1 | 383 | detailsmeta {"card_url":"https://x402.browserbase.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-09 09:18 | connect-fail | 754 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-08 08:16 | connect-fail | 713 | 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 |