Push Notification Specifications

To ensure your Push notifications are effective and meet technical requirements, you should adhere to specific guidelines regarding title length, content, and graphic formats. Below are detailed recommendations to help you plan and create impactful messages.

Notification Title

• iOS: Up to 35 characters.

• Android: Up to 46 characters.

Notification Content

• Before expanding: Up to 171 characters. (Shorter notifications are more engaging)

• After expanding:

  • iOS: Up to 250 characters.

  • Android: Up to 450 characters.

• With graphics:

  • iOS: Up to 250 characters.

  • Android: Up to 101 characters.

Graphic Guidelines:

• Allowed formats:

  • .jpg .png .jpeg (max 512 KB)

  • .gif (max 150 KB) – note: GIFs will display correctly only on devices with iOS software.

• Minimum size: 512×256 px.

• Optimal size: 1024×512 px.

• Maximum size: 2048×1024 px.

• Maximum file size: 500 KB (iOS and Android).