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OneSignal Invalid Tag Format

The tag format does not meet the required specifications.

Resolving 'Invalid Tag Format' in OneSignal

Understanding OneSignal

OneSignal is a leading push notification service provider that enables developers to send targeted messages to users across various platforms. It is widely used for enhancing user engagement through timely notifications.

Identifying the Symptom

When working with OneSignal, you might encounter an error message indicating an 'Invalid Tag Format'. This typically occurs when the tags used in your push notification requests do not adhere to the required format.

What You Might See

The error message may appear in your application logs or as a response from the OneSignal API, indicating that the tags are not formatted correctly.

Exploring the Issue

The 'Invalid Tag Format' error is a common issue that arises when the tags used in your API requests do not match the expected structure. Tags in OneSignal are used to segment users and send targeted notifications. They must follow specific guidelines to be processed correctly.

Understanding Tag Requirements

Tags in OneSignal should be key-value pairs where both the key and value are strings. The keys should not exceed 64 characters, and the values should not exceed 256 characters. For more details, refer to the OneSignal Tagging Guide.

Steps to Fix the Issue

To resolve the 'Invalid Tag Format' error, follow these steps:

Step 1: Review Your Tags

Ensure that all tags used in your requests are formatted as key-value pairs. Check that the keys and values meet the character length requirements.

Step 2: Validate Tag Structure

Use a JSON validator to ensure that your tags are correctly structured. You can use online tools like JSONLint to validate your JSON format.

Step 3: Update Your API Requests

Modify your API requests to ensure that all tags conform to OneSignal's specifications. Here's an example of a correctly formatted tag:

{
"tags": {
"key": "value"
}
}

Step 4: Test Your Changes

After making the necessary changes, test your application to ensure that the error is resolved. You can use OneSignal's API documentation to verify your requests.

Conclusion

By following these steps, you should be able to resolve the 'Invalid Tag Format' error in OneSignal. Ensuring that your tags are correctly formatted will help you leverage the full potential of OneSignal's push notification capabilities.

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