Configuring Text to Speech and Speech to Text using Google Cloud

From the Google Console choose to CREATE PROJECT

Name your project. Let's start with the Text to Speech project, for example Mirtapbx-TTS

Choose API & Services and then + CREATE CREDENTIALS, create an API Key

From the Dashboard use the + ENABLE APIS AND SERVICES and search for Text to Speech

Enable the API

To use the Speech to Text API, just enable that API too