- Create a new account on gmail: create account
- Subscribe to chromium-dev@chromium.org in https://groups.google.com/a/chromium.org/forum/?fromgroups#!forum/chromium-dev
- Go to https://cloud.google.com/console
- Create a new project
- Select "Enable and manage APIs"
- Find and select "Speech API"
- Select "Enable API"
- Go to "Go to Credentials"
- Select "API Key"
- Select "Browser key"
- Choose "Create"
- Save the key generated for use in the app (you can use up to 50 times per day)