If you want to include Facebook Audience Network as one of your ad networks, after you have successfully integrated the Appodeal SDK, simply follow the instructions below:
1) Create a developer account on Facebook. https://developers.facebook.com/docs/apps/register
Press "CreateDeveloperAccount"and accept the terms.
2) Create company on Facebook. https://developers.facebook.com/settings/company/info/
Fill in all of the required information.
3)Add your application: https://developers.facebook.com/apps/
4) Add the Audience Network in Product settings
5) You also need to upload Tax Forms required by Facebook in Audience Network -Payout- Account Information in App settings.
6) Create 3 placements with the following settings for each ad type: Optimize for CPM(1); Balance CPM (2) and Fill Optimize for Fill (3)
7) Follow this link https://www.appodeal.com/profile/linked-accounts and press "Add Facebook Placements”
8) Set up Facebook Id, Facebook Secret Id, Display Format, Placements keys