Sign-In Integrations

Sign-in integrations allow customers to connect with our supported platforms — Facebook®, Google®, or X™ (formerly Twitter™) — to quickly sign up or log in to WHMCS.


Facebook App Not Setup Errors

Troubleshoot and resolve App Note Setup: This app is still in development mode, and you don't have access to it. Switch to a registered test user or ask an app admin for permissions errors while authenticating using Facebook® Sign-In Integrations.


Facebook URL Errors

Troubleshoot and resolve Can't Load URL: The domain of this URL isn't included in the app's domains errors while authenticating using Facebook® Sign-In Integrations.


Invalid Details Errors

Troubleshoot and resolve Invalid details not saved. Please verify your details and try again errors while authenticating using Facebook®, Google®, or Twitter™ Sign-In Integrations.


Unable to Access Sign-In Integrations

Troubleshoot and resolve issues accessing the Sign-In Integrations page to configure authentication using Facebook®, Google®, or Twitter™ Sign-In Integrations.


Sign In Using Facebook

Facebook® Sign-In Integrations let your customers register, sign in, and connect with your WHMCS installation.