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MessageBird Delivery Report Not Received

The delivery report callback is not being triggered.

Understanding MessageBird SMS Communication API

MessageBird is a cloud communications platform that enables businesses to connect with their customers through SMS, voice, and other messaging channels. The SMS Communication API is a key component that allows developers to send and receive SMS messages programmatically, providing a reliable way to engage with users globally.

Identifying the Symptom: Delivery Report Not Received

One common issue developers encounter is not receiving delivery reports for sent SMS messages. This can be problematic as delivery reports are crucial for confirming whether messages have reached their intended recipients.

What You Might Observe

When this issue occurs, you may notice that your application does not receive any callbacks or notifications indicating the delivery status of your SMS messages. This can lead to uncertainty about message delivery success.

Exploring the Issue: Callback Not Triggered

The root cause of not receiving delivery reports often lies in the callback URL configuration. If the callback URL is incorrect or not properly set up, the delivery report will not be triggered, leaving you without confirmation of message delivery.

Understanding Callback URLs

Callback URLs are endpoints on your server where MessageBird sends delivery status updates. It is essential that these URLs are correctly configured to receive and process the incoming data.

Steps to Fix the Issue

To resolve the issue of not receiving delivery reports, follow these steps:

1. Verify the Callback URL

Ensure that the callback URL you have configured in your MessageBird account is correct. Double-check for any typos or incorrect paths. The URL should be publicly accessible and capable of handling HTTP POST requests.

2. Test the Callback Endpoint

Use tools like RequestBin to test your callback endpoint. This will help you verify that your server is correctly receiving and processing the delivery report data.

3. Check Server Logs

Review your server logs to ensure that there are no errors or issues when handling incoming requests from MessageBird. Look for any HTTP status codes that indicate a problem, such as 404 (Not Found) or 500 (Internal Server Error).

4. Update Firewall and Security Settings

Ensure that your server's firewall and security settings allow incoming requests from MessageBird's IP addresses. You can find a list of MessageBird's IP addresses in their official documentation.

Conclusion

By following these steps, you should be able to resolve the issue of not receiving delivery reports from MessageBird. Properly configuring your callback URL and ensuring your server is set up to handle incoming requests are crucial for maintaining reliable communication with your users.

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