Get your Message Bird credentials
First log into your Message Bird Dashboard
If you have not already created an API key, create one.
Now reload the page to see the new API key listed.
You can input these values into Spotipo by logging in the dashboard and go to Settings-> SMS Gateway.
Select MessageBird as SMS gateway and enter the Sender Name and API key and save the configuration.
Test the configuration by Clicking on Test and enter a phone number to send a test SMS.