Your public IP address
10.9.177.234
Same thing from a terminal:
curl ifconfig.cloudalbania.com
Pass the flag to your client: curl -4 or
curl -6. The v4/v6 subdomains were
retired in 2018.
Yes — send an Accept: application/json header.
Yes, at up to 1 request per minute. Requests beyond that may be rate-limited with a 429 status code, or dropped entirely.
Yes — the source code and documentation are available on GitHub.