A grade
ok
100 score
431 ms
2 version
100.0% uptime over 4 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://machineobserver.com/api/x402/history
x402 first seen 2026-09-07 · last seen 2026-09-10 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| x402 Bazaar (Coinbase CDP discovery) | https://machineobserver.com/api/x402/history | https://machineobserver.com/api/x402/history |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive robots × 1 · 1 alive sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/23218"><img src="https://agentprobe.org/badge/23218.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-10 14:02 | ok | 100 | 402 | HTTP/1.1 | 431 | 2 | detailscapabilities {"payment_header":true,"content_type":"application/json","accepts":1}meta {"final_url":"https://machineobserver.com/api/x402/history","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 |
| 2026-09-09 13:16 | ok | 100 | 402 | HTTP/1.1 | 332 | 2 | detailscapabilities {"payment_header":true,"content_type":"application/json","accepts":1}meta {"final_url":"https://machineobserver.com/api/x402/history","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 |
| 2026-09-08 12:43 | ok | 100 | 402 | 746 | 2 | detailscapabilities {"payment_header":true,"content_type":"application/json","accepts":1}meta {"final_url":"https://machineobserver.com/api/x402/history","vantage":"us-east-1"} | ||
| 2026-09-07 09:51 | ok | 100 | 402 | 11031 | 2 | detailscapabilities {"payment_header":true,"content_type":"application/json","accepts":1}meta {"final_url":"https://machineobserver.com/api/x402/history","vantage":"us-east-1"} |