If Anyone Facing this Issue :-- "when you sign up in costumer app it shows loading for few seconds after that it shows ‘ Connection to API server failed due to internet connection’ but when i check in admin panel Costumer details are saved in costumer tab in admin panel. I request to please help me to solve this issue."
1. Setup SMS Gateway Properly Or Setup Your SMTP (Mail ) Config Correct.
2. Go to Business setup turn on customer verification
After All this done ur app login or signup working properly