Guide to Connecting n8n to Google Cloud APIs (OAuth 2.0)

Among the integrated services,Google Cloud APIs– especiallyGoogle SheetsandGmail– plays an important role in storing data, processing information, and communicating with customers. To ensure safety, security, and compliance with Google's policies, connecting n8n to these services should be performed usingOAuth 2.0. This article presents a step-by-step guide to configuring Google Cloud and n8n, helping your systemVPTSlog in to Google successfully, operate stably, and avoid common errors during deployment.

CONNECT N8N TO GOOGLE CLOUD APIS

Step 1: Create a Project on Google Cloud Console

First, open your browser and navigate to the pageGoogle Cloud Consoleat: 

https://console.cloud.google.com/

On the main interface, click Select a project and choose New Project to create a new project

Location: leave as default

• Project name: e.g. n8n-google

• Location: leave as default

• ClickCreate

This project should useexclusive to VPTS's n8n systemfor easier management and security control.

Step 2: Enable necessary APIs

After the project is created, you need to enable the APIs that n8n will use. In the left menu, selectAPIs & Services → Library

Here, search for and enable the following APIs one by one:

• Google Sheets API

• Google Drive API

If the workflow sends emails, enableGmail APIand select Enable

Step 3: Configure OAuth Consent Screen

The OAuth Consent Screen is the screen allowing Google to confirm that you permit n8n to access your Google data. In the Google Cloud Console, go to:
APIs & Services → OAuth consent screen → First steps

In sectionApp information, fill in the information:

• App name: Enter your desired app name.

• User support email: select your Google email

In the section Taget, click to select External and continue to click Next to proceed to step 3. At this step, you only need to re-enter your email and click Next.

Next, in the sectionTo end check the box and click Continue -> Create

Step 4: Create OAuth Client ID

Create Credentials byAPIs & Services and select Identiftiers.

Then, click Create Credentials and select OAuth Client ID.

On the OAuth Client creation screen:

• Application type: selectWeb Application

• Name: Please name it

• Authorized redirect URIs: (for example https://hotron8n.devttt.com/rest/oauth2-credential/callback)

Step 5: Save Client ID& Client Secret

Sau khi Create, Client IDand Client Secret will appear; you need to copy both and save them in a secure note. Then, click OK to close the popup window.

Now you have connected n8n to Google Cloud APIs; next is the guide to configuring n8n with Google Cloud APIs.

GUIDE TO CONFIGURING N8N CONNECTION WITH GOOGLE CLOUD APIS

On the n8n interface page, clickCredentials, click the search box and type Googlesheets

Please fill in the information in the following configuration:

• Client ID: Paste value Client IDsaved in Step 5

• Client Secret: Paste value Client Secretsaved in Step 5

After filling it out, click the buttonSign in with Google, a window will appear; click Advanced and proceed to devttt.com.

Select all and continue. Once authentication is successful, you will see a notification in n8n.

Finally, to save the Credential in n8n, click the button Save to save.

Having guided you through successfully integrating n8n with Google Cloud APIs, this serves as an important foundation for building effective automation systems. However, to keep workflows running smoothly, stably, and processing data optimally, using a dedicated VPS infrastructure is essential. Contact our provider for support!!!

See more:Guide to Updating to the Latest Version of N8N

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• Website: https://vpts.shop

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• N8N Support Fanpage:n8n Support - System Automation

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CONCLUSION

Through the step-by-step connection guiden8n with Google Cloud APIs using OAuth 2.0 authentication, CompanyVPTShelped users clearly understand the configuration, permission provisioning, and system integration process accurately and efficiently. Successful deployment not only provides a solid foundation for stable automation workflows but also enhances data management, processing, and synchronization capabilities. Thereby,VPTSaffirming its role as a reliable provider of infrastructure solutions and technical guidance, meeting practical automation needs effectively.

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