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Telnyx Unsupported Media Type

The media type attached to the message is not supported.

Understanding Telnyx: A Powerful SMS Communication API

Telnyx is a leading provider of communication APIs, offering robust solutions for SMS, voice, and other communication needs. It empowers developers to integrate messaging capabilities into their applications seamlessly. With Telnyx, businesses can enhance their communication strategies by leveraging its reliable and scalable infrastructure.

Identifying the Symptom: Unsupported Media Type

When working with Telnyx's SMS API, you might encounter an error message stating Unsupported Media Type. This error typically arises when attempting to send a message with an attachment that the API does not support. As a result, the message fails to deliver, causing disruptions in communication workflows.

Exploring the Issue: What Causes Unsupported Media Type?

The Unsupported Media Type error occurs when the media type attached to your SMS message is not recognized by Telnyx's API. This can happen if the file format is not among the supported types or if there's a mismatch in the content type header. Understanding the root cause is crucial for resolving the issue effectively.

Common Unsupported Media Types

  • Unrecognized file extensions
  • Incorrect MIME types
  • Large file sizes exceeding limits

Steps to Resolve Unsupported Media Type Error

To fix the Unsupported Media Type error, follow these actionable steps:

Step 1: Verify Supported Media Types

First, consult the Telnyx Messaging API documentation to confirm the list of supported media types. Ensure that your attachment's format aligns with the accepted types.

Step 2: Check MIME Type

Ensure that the MIME type of your attachment is correctly specified in the request header. For example, if you're sending an image, the MIME type should be image/jpeg or image/png. Use tools like Get Metadata to verify the MIME type of your file.

Step 3: Adjust File Size

If your file size exceeds the limits set by Telnyx, consider compressing the file or reducing its resolution. This can be done using image editing tools or online services like Compress JPEG.

Step 4: Test Your Request

After making the necessary adjustments, test your API request again. Use tools like Postman to simulate the request and ensure that the error no longer occurs.

Conclusion

By following these steps, you can effectively resolve the Unsupported Media Type error in Telnyx's SMS API. Ensuring that your media attachments comply with the supported formats and sizes will help maintain seamless communication through your application. For further assistance, refer to the Telnyx Support Center.

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