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

Banner:

ca-app-pub-3940256099942544/6300978111

Interstitial:

ca-app-pub-3940256099942544/1033173712

Rewarded Video:

ca-app-pub-3940256099942544/5224354917

Native Advanced:

ca-app-pub-3940256099942544/2247696110

Native Advanced Video:

ca-app-pub-3940256099942544/1044960115

Native Express Small/Large:

ca-app-pub-3940256099942544/2793859312 
ca-app-pub-3940256099942544/2177258514

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