Facebook Developer Account
Facebook Developer account enables users to create third-party applications which accesses Facebook's data.
To create a Developer Account, navigate to https://developers.facebook.com
Creating new Developer Account
If you have never used a Developer Account, then first login from the Facebook account and click on Get Started as shown below -
You will be prompted 3 questions, as shown -
Once you have provided the primary email and description, click on Complete Registration.
Creating an App
Step 1: Click on the Create App button to create a new App.
Step 2: Select Manage Business Integrations, and click on Continue.
Step 3: Create an App by adding App Display Name, your Email id and App Purpose.
You can add different products as per your requirement but here we need Messenger. Open the created App and click on Messenger’s Setup button as shown below:
Add an App Admin
Step 1: Get FB_id/username of Admin Account who manages their Facebook page
Step 2: Add the user as admin using FB_id/username
Click on the Roles option on the right sidebar. Upon clicking Add Administartors, paste the FD_id/username and click on Submit button.
Once Admin has been added, we will now see the configurations an Admin will have to do.