Open https://developers.facebook.com/ and login/sign-up.


Add new app.


Add app name/email.


Bypass security check if asked.


Note Down APP ID. Go to “Settings” -> “Basic”.


And fill as follows.


Field Name
Field Value
Comments

Display Name


App display name to users

Namespace

Your company/app name

You may try any if accepted, this would be visible in the Facebook URL

App Domains

Your website subdomain setup for OSI Affiliate account

i.e partners.example.com or affiliate.example.com

Contact Email

Your email address


Privacy Policy URL



Terms of Service URL



App Icon


Use icon size 1024 x 1024

Category



Business Use



Site URL

Your website URL

You may need to click Add Platform at the bottom (check screenshot below)


You may need to Add Platform for “Site URL” above.


After clicking “Save Changes”, at the end, switch production mode on. You just need to click that toggle button.