This article provides a complete, practical walkthrough of the Manual N8N Create Triggered n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

What This Agent Does

This agent orchestrates a reliable automation between HTTP Request, Webhook, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• HTTP Request
• Webhook

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   Title:  
   Automate Google OAuth Credential Creation in n8n with This Reusable Workflow
   
   Meta Description:  
   Simplify the process of creating OAuth credentials for multiple Google services with this n8n workflow. Easily set up Google API connections using a Google JSON file and your email address.
   
   Keywords:  
   n8n workflow, Google OAuth credentials, Google API automation, Google JSON, create credentials in n8n, automate Google services, Gmail API, Google Sheets API, Google Docs API, Google Drive API, Google OAuth2, n8n Google integration, low-code automation
   
   Third-Party APIs Used:  
   
   1. Google Docs API (OAuth2)  
   2. Google Sheets API (OAuth2)  
   3. Google Slides API (OAuth2)  
   4. Google Drive API (OAuth2)  
   5. Gmail API (OAuth2)  
   6. Google Calendar API (OAuth2)  
   7. Google Contacts API (OAuth2)
   
   —
   
   Article:
   
   Automate Google Credential Creation in n8n: Save Time and Reduce Human Error
   
   Managing integrations with the vast ecosystem of Google services like Gmail, Google Sheets, Docs, Calendar, and Drive often requires generating OAuth 2.0 credentials for each application. For developers and automation experts using n8n, creating these credentials one-by-one within the UI can become a repetitive and error-prone task.
   
   That’s why we created an easy-to-use n8n workflow that automates the process of initializing credentials for multiple core Google services at once. Whether you're managing integrations across teams or testing various endpoints, this workflow will streamline your setup and ensure consistency across API connections.
   
   What the Workflow Does
   
   This custom-built n8n workflow, aptly named “Create Google Creds,” automates the generation of credential entities for seven common Google APIs:
   
   - Google Docs
   - Google Sheets
   - Google Slides
   - Google Drive
   - Gmail
   - Google Calendar
   - Google Contacts
   
   Each credential is named according to the linked email address, making them easier to identify later.
   
   Workflow Breakdown
   
   Here’s a step-by-step breakdown of how it works:
   
   1. Manual Trigger Node  
   The workflow begins with a "Manual Trigger," which allows you to test and run the workflow on-demand.
   
   2. Insert Google JSON  
   Using the "Google JSON" node, you'll input your OAuth credentials file. This is the original JSON file that Google provides when you create OAuth 2.0 credentials in the Google Developer Console. These values include the client_id, client_secret, redirect URIs, and other necessary authentication parameters.
   
   3. Set Google Email  
   Next, you enter the email address associated with the Google account you’re authenticating in the "Google Email" node. This value is used to personalize the naming of each credential.
   
   4. Define Services  
   The "Services" node defines the list of Google APIs for which credentials are to be created. This node outputs an array containing each service that you intend to generate credentials for.
   
   5. Split and Iterate  
   The "Split Out" node processes the services array, sending each item through the flow individually, so each service gets its corresponding credential.
   
   6. Create Credential Nodes  
   Using the "n8n" node (with an authenticated connection to your n8n account via the n8n API), the workflow programmatically creates credential entries for each service. Each credential is named with the format: "your-email@gmail.com - service-name", making them easily searchable within the n8n credentials list.
   
   How to Use This Workflow
   
   Before running the workflow, ensure you update these three critical values:
   
   - Google JSON: Paste the entire OAuth JSON configuration file as raw JSON.
   - Google Email: Add the email address associated with your Google account.
   - n8n API Credentials: Configure the “n8n” node with your API key or credentials for accessing your n8n server’s API.
   
   After the workflow completes, you’ll have credential entities for each selected Google service. These credentials will still need to be individually authenticated (signed in) through the OAuth2 process within n8n. This extra step ensures data privacy and complies with Google's security protocols, while automating everything up to that point.
   
   Why This Workflow Helps
   
   - ⏱ Time Saver: Avoid creating each credential manually.
   - 📂 Organized: Credentials are consistently named with email + service format.
   - 🔁 Reusable: You can use this workflow across environments or accounts.
   - 🐛 Error Reduction: Reduces risk of copy-paste mistakes when creating credentials.
   
   Use Cases
   
   - Onboarding new team members who need access to shared Google resources.
   - Setting up separate service accounts for environment separation (e.g., dev, staging, prod).
   - Prototyping and testing API automation without dealing with manual credential steps each time.
   - Automating credential creation during system migrations and integrations.
   
   A Few Final Notes
   
   The workflow uses a sticky note as a built-in guide, reminding users of the required input fields and what the workflow accomplishes. Although the credential records are created automatically, you’ll still need to log in and approve access manually from within each credential entry in n8n. This ensures that the OAuth flow remains secure and user-approved.
   
   Conclusion
   
   Whether you're a developer, automation engineer, or operations professional, this workflow is a powerful utility to have in your n8n toolkit. By automating the otherwise redundant process of credential creation, it lets you focus on building workflows and integrations that deliver actual value.
   
   With n8n’s low-code flexibility and this OAuth credential bootstrapper, managing Google services has never been easier—or more automatic.
   
   Ready to give it a spin? Load the workflow in your local or cloud instance of n8n and set up your Google apps in minutes.

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.