Is there any AdMob dummy id?

Question

Is there any AdMob dummy ids for testing purpose? Do I need to register app & get MY_AD_UNIT_ID?

Answer 1

OS: Android

Mediation: Admob

For Banner Ads:

ca-app-pub-3940256099942544/6300978111

Source

For Interstitial Ads:

ca-app-pub-3940256099942544/1033173712

Source

For Admob NativeExpress Ads:

ca-app-pub-3940256099942544/1072772517

For Rewarded Video

ca-app-pub-3940256099942544/5224354917

Note:

The NativeExpressAd you'll see looks like a real one, but it's counted as a test ad. You're free to use that ad unit ID for your testing.

by Andrew Brogdon (Google Ads Team in one of his youtube comments)

All test Ads you can find in the actual admob github repository in the res > values > strings.xml