D grade
protocol-mismatch
60 score
610 ms
0.0% uptime over 2 measured probes
AS396982 GOOGLE-CLOUD-PLATFORM - Google LLC, US · US
https://changelog-state-api.replit.app/
x402 first seen 2026-09-08 · last seen 2026-09-09 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| agent-tools.cloud | Changelog State API | Structured release and changelog intelligence for agent-critical vendors. Answers what shipped and what changed. Does not track pricing pages or uptime status p | x402:changelog-state-api |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive robots × 1 · 1 alive sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/3908864"><img src="https://agentprobe.org/badge/3908864.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-09 08:22 | protocol-mismatch | 60 | 200 | 610 | detailsmeta {"final_url":"https://changelog-state-api.replit.app/","vantage":"us-east-1"} | no 402 — resource is open or x402 not enforced | ||
| 2026-09-08 07:47 | connect-fail | 217 | detailsmeta {"vantage":"us-east-1"} | WriteError: |