Wowza Community

What is the "REST API is not licensed" error cause?

Last week I upgraded to monthly subscription from the free trial. Before that, I can access some information of streams by Wowza engine REST API, but since today morning I find my server api not working. I debugged my api get the following response.

I can ensure my ape caller used correct username and password with HTTP basic authentication.


<?xml version="1.0" encoding="UTF-8" standalone="no"?>4.0402REST API is not licensed


The REST API is not licensed in the Monthly subscription of the software.

If you’d like a discussion on your options regarding the REST API, please create a ticket by sending an email to

Please link to this thread for reference.



Starting with Wowza Streaming Engine version 4.3, the REST API is fully accessible using your Wowza server license key and no other key is required. If you still are receiving the “REST API is not licensed” error, you need to upgrade your Wowza server to version 4.3. To upgrade, see how to update your Wowza Streaming Engine installation.


Thank you for the update. Please let us know if you have any other questions.

Kind regards,


What pricing I can choose that contain REST API license?

OK, I found the solution is request a licence from