## Google Calendar integration

Integrating Google Calendar with Frontegg allows your application to create and manage calendar events, list and update calendars, query free/busy information, and access user settings — all through Frontegg's integration layer using Google OAuth 2.0.

Prerequisites
- A Google account with access to [Google Cloud Console](https://console.cloud.google.com/)
- A Google Cloud project (you can create one during setup)


### Enable the Google Calendar API

#### Step 1: Open the Google Calendar API in the API library

Go to the [Google Calendar API](https://console.cloud.google.com/apis/library/calendar-json.googleapis.com) page in the Google Cloud Console. Select your project from the top navigation, then click **Enable** if the API is not yet enabled. If you see **Manage** and **API Enabled**, the API is already active.

![Google Calendar API page in Google Cloud Console](/assets/google-calendar-1.6400cb2e449c12fa7944641c1ecbb6a76cc5f01d8efb86f557908aae3273232c.1ce25488.png)

### Create an OAuth client

#### Step 2: Go to the Credentials page

In the left sidebar, navigate to **APIs & Services** → **Credentials**. Click **Create credentials**.

![Credentials page with Create credentials button highlighted](/assets/google-calendar-2.58318f82db244e9696c94e23194deb2c875c3fccaea86fcee778dcab2b676569.1ce25488.png)

#### Step 3: Select OAuth client ID

From the dropdown, select **OAuth client ID**.

![Create credentials dropdown with OAuth client ID highlighted](/assets/google-calendar-3.9a3ca42018f974bbfdb8528206ecc3edb94a73d64349831b0b3b3ad0b6751382.1ce25488.png)

#### Step 4: Configure the OAuth client

On the **Create OAuth client ID** page:

1. Set **Application type** to **Web application**.
2. Enter a name for the client (for example, `Frontegg Google Calendar Integration`).
3. Under **Authorized redirect URIs**, click **Add URI** and add both of the following:
  - `https://YOUR_MCP_GATEWAY_URL/integration-callback`


![OAuth client form with name and redirect URIs filled in](/assets/google-calendar-4.9ef69a55fc9e999356502f7716a83489f0a5e9462a0397ddd6b137a88699d45d.1ce25488.png)

#### Step 5: Create the client

Click **Create** to save the OAuth client. A dialog will display your **Client ID** and **Client Secret** — copy both values and store them securely.

Save your Client Secret now
The Client Secret is only shown once in this dialog. After you close it, you cannot retrieve it again — you can only create a new secret.

![OAuth client created dialog showing Client ID and blurred Client Secret](/assets/google-calendar-5.759e2e39c62272ade3c142c4190f0db4eca438c4148de58dd235646f8900bddd.1ce25488.png)

### Copy your credentials

#### Step 6: Copy the Client ID from the credentials list

After closing the dialog, your new client appears at the top of the **OAuth 2.0 Client IDs** list on the Credentials page.

![Credentials page showing the new Frontegg Google Calendar Integration client](/assets/google-calendar-6.fa60a3a6317c43f0ef628055808a6ef48cb3d357da1b9f01a9b429b3fa07fb6f.1ce25488.png)

#### Step 7: View Client ID in the client detail page

Click the client name to open its detail page. You can view and copy the **Client ID** at any time from the **Additional information** section.

![OAuth client detail page showing Client ID](/assets/google-calendar-7.1526171685b49f633d922e93391bf5ef7c181a75577e57248a5b7bd566546c30.1ce25488.png)

### Configure the Frontegg portal

Once you have your **Client ID** and **Client Secret**, enter them in the Frontegg portal:

1. Open the **Frontegg portal** and navigate to [ENVIRONMENT] → Integrations → Google Calendar.
2. Enter the **Client ID** and **Client Secret** in the corresponding fields.
3. Select the required **scopes**:


| Scope | Description |
|  --- | --- |
| `https://www.googleapis.com/auth/calendar.readonly` | Read-only access to calendars and events |
| `https://www.googleapis.com/auth/calendar.events` | Create, read, update, and delete events |
| `https://www.googleapis.com/auth/calendar.events.readonly` | Read-only access to events |
| `https://www.googleapis.com/auth/calendar` | Full access to calendars and events |
| `https://www.googleapis.com/auth/calendar.settings.readonly` | Read-only access to calendar settings |


1. Click **Save**.


Keep your credentials secure
Never share or commit your Client Secret to version control.

### Additional resources

- [Google Calendar API documentation](https://developers.google.com/calendar/api/v3/reference)
- [Google Cloud Console](https://console.cloud.google.com/)
- [Setting up OAuth 2.0](https://developers.google.com/identity/protocols/oauth2/)
- [How to get your Redirect URL](/agen-for-work/connectors/redirect-url)