This is a free extension available for anyone
IBM Watson extension is part of AI Voiceover feature to convert Text to Speech, it is not a standlone feature
Introduction
Davinci AI’s IBM Watson TTS integration unlocks advanced text to speech capabilities for your platform. With access to various languages and voices that IBM supports, you can let your users use them at the AI Voiceover service.IBM Watson Extension Setup
To be able to use your IBM Watson extension with AI Voiceover feature, follow these steps to setup your IBM account.Step 2
After installation is completed, go to AI Settings page in Admin Panel and click on Extensions tab there. Click on IBM Watson there.

Step 3
Now, on a different tab in your browser, go to the IBM Cloud homepage and create an acount with them, they will require your personal informaiton and your credit card informaiton upon first registration.
Step 4
After you have completed the registration and logged in, click on the Create Resource button.

Step 6
Next, select preferred IBM region and your desired plan, also resource name and click Create button.

Step 8
Now go back to the Admin Panel where you have IBM Watson extension settings page opened earlier and enter your IBM Watson API Key and IBM Watson Endpoint URL. Also make sure that IBM Watson TTS Feature checkbox is turned on.

Step 10
Now you need to include IBM voices into the list of allowed vendors for both, your free tier users and subscribers. For that, please refer to the detailed AI Voiceover intructions


