Error: Unknown error occurred.

[NostalgicStone]

https://should-i-call-back.binary-person.dev/

Tried a dozen or so numbers and get that error every time:
Error: Unknown error occurred.

[binary-person]

the service seems to be rate limiting users. i'd need to get a paid endpoint, but i would need people to donate or subscribe to this service

[binary-person]

try this: https://should-i-call-back.org/

and let me know what you think