A device token (or push token) is a unique key for the app-device combination issued by the Apple or Google push notification gateways. It allows gateways and push notification providers to route messages and to ensure that notifications are delivered only to the unique app-device combination for which they are intended.
- iOS push tokens are strings with 64 hexadecimal symbols:
03df25c845d460bcdad7802d2vf6fc1dfde97283bf75cc993eb6dca835ea2e2f
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Ensure that the iOS push tokens you use in your API requests to target specific devices are lowercase.
- Android push tokens can differ in length but are usually below 255 characters:
APA91bFoi3lMMre9G3XzR1LrF4ZT82_15MsMdEICogXSLB8-MrdkRuRQFwNI5u8Dh0cI90ABD3BOKnxkEla8cGdisbDHl5cVIkZah5QUhSAxzx4Roa7b4xy9tvx9iNSYweXBYYd8k1XKf8Q_Qq1X9-x-U-Y79vdPq
Android push tokens typically start with "APA91b" but might also have a colon-separated prefix.