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OneSignal is a leading push notification service provider that allows developers to send notifications to users across various platforms, including web, mobile, and email. It is widely used for its ease of integration and robust features, enabling businesses to engage with their audience effectively.
When using OneSignal, you might encounter an error related to 'Invalid Notification Content'. This typically manifests as a failure to send notifications, with error messages indicating issues with the notification payload.
The 'Invalid Notification Content' error occurs when the notification payload sent to OneSignal is either missing required fields or contains improperly formatted data. This can prevent notifications from being delivered to users.
To fix this issue, follow these detailed steps:
Ensure that your notification payload includes all required fields and is correctly formatted. Refer to the OneSignal API documentation for the correct payload structure.
{
"app_id": "your-app-id",
"contents": {"en": "Your message content"},
"included_segments": ["All"]
}
Utilize online JSON validators like JSONLint to check your payload for syntax errors.
Ensure that all required fields such as app_id
and contents
are present and correctly filled out.
Use tools like Postman to send test requests to OneSignal's API and verify that your payload is accepted. Refer to OneSignal's API Overview for guidance.
By ensuring that your notification payload is correctly structured and includes all necessary fields, you can resolve the 'Invalid Notification Content' error and successfully send notifications using OneSignal. For further assistance, consult the OneSignal Documentation.
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