Find your GCP project number
StackOne connects to a single Google Cloud project, the one your OAuth client was created in. Enter its Project number in the GCP Project Number field.
Sign in to Google Cloud
Sign in to your Google Cloud Console.

Open the project picker
Click the project picker in the top navigation bar and select the project that has the Cloud Text-to-Speech API enabled.
Copy the project number
Open the Google Cloud dashboard. The Project info card shows the Project number for your project. Copy it and paste it into the GCP Project Number field in StackOne Hub.
- Example:
123456789012

Linking the Account from the Hub
Navigate to the Hub
Fill out the fields
- GCP Project Number
Connect
- Click Connect
- If applicable, the provider will redirect you to a sign-in or authorization page. Complete the provider’s authorization flow.
- Once authorization is successful, you will see a confirmation popup
If the account linking is successful, you will see the newly linked account on your Accounts page.