This article provides a complete, practical walkthrough of the Hubspot Splitout Create Webhook 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:**  
   Automated Customer Onboarding with n8n, HubSpot, Google Calendar, and AI Agents
   
   **Meta Description:**  
   Explore how to streamline your customer onboarding process using n8n workflows combined with HubSpot, Google Calendar, Gmail, and OpenAI. Automatically send tailored welcome emails, schedule meetings, and assign account managers with this fully automated AI-powered system.
   
   **Keywords:**  
   n8n workflow, HubSpot automation, Google Calendar API, AI automation, OpenAI GPT, customer onboarding workflow, Gmail automation, Langchain agent, personalized emails, HubSpot contact owner, SaaS onboarding
   
   ---
   
   ## Empowering Seamless Customer Onboarding with n8n, AI, and Cloud Tools
   
   Customer onboarding is a critical phase in establishing lasting relationships and ensuring satisfaction from the get-go. However, managing onboarding manually across sales, customer success, email, and scheduling tools can slow down internal processes and impact the new user's experience.  
   
   Enter n8n — an open-source workflow automation tool — paired with AI-powered agents and a suite of third-party integrations to build an intelligent, scalable onboarding system. This article explores how to use this advanced workflow to automate outreach, schedule calls, and assign team members within minutes of onboarding a new customer.
   
   ### 🎯 Workflow Objective
   
   The core goal of this workflow is to automate four key steps triggered by a new contact's creation in your CRM (HubSpot):
   
   1. Send a personalized welcome email
   2. Schedule a customer onboarding call via Google Calendar
   3. Assign the customer to a dedicated Customer Success Manager (CSM)
   4. Ensure seamless execution through AI agents for intelligent decision-making
   
   All of this is orchestrated automatically within n8n using natural language capabilities powered by OpenAI and Langchain tools.
   
   ---
   
   ## 🚀 How the Workflow Functions Step-by-Step
   
   ### 1. Triggered by HubSpot Webhook
   
   The journey begins when a new contact is added to HubSpot. n8n's HubSpot Trigger node listens for this event — specifically `contact.creation` — through a webhook. The workflow is activated as soon as this webhook fires.
   
   To ensure the data is personalized, basic company metadata (like sender email, company name, activity description, and sender name) is set using a Set node early in the workflow.
   
   ### 2. Retrieve and Analyze Contact Information
   
   n8n fetches the newly created contact's full details using the HubSpot API. This includes the recipient's first name, last name, and email address — all contextual inputs required for subsequent personalization.
   
   ### 3. AI Agent Writes a Tailored Welcome Email
   
   Using the Langchain tool within n8n, an OpenAI-powered agent (integrated with GPT-4) writes a customized, friendly welcome email. The prompt is further enriched with data from the contact record and your company credentials. The agent is instructed to:
   - Introduce the sender
   - Explain what your company does
   - Inform the user that a calendar invite will follow
   
   This email content is returned as a structured JSON containing both the subject and the body.
   
   ### 4. Automatically Schedule a Calendar Call
   
   The OpenAI agent doesn't just write emails — it also uses another Langchain-powered tool called `calendarAgent`. This nested AI agent interacts with Google Calendar to:
   - Check the owner's availability
   - Determine the recipient's calendar ID
   - Book the next available one-hour meeting for an onboarding call
   
   This eliminates back-and-forth coordination. The Calendar Agent queries Google Calendar APIs using intelligent commands derived from natural language prompts, abstracting complex logic into one simple AI-driven task.
   
   ### 5. Send the Email via Gmail
   
   The email composed by the AI is then transformed from Markdown into clean HTML using n8n’s Markdown node. After formatting, Gmail’s API sends the email directly to the newly onboarded customer with a BCC to the account manager or team lead.
   
   ### 6. Assign a Contact Owner in HubSpot
   
   To ensure consistency, the workflow assigns the contact to a team member (owner) using additional HubSpot API calls. This maps the customer to your internal CRM owner list based on email matching logic, ensuring the right point of contact handles the new client.
   
   ---
   
   ## 🌐 Third-Party APIs and Services Used
   
   This workflow brings together a collection of powerful SaaS tools, APIs, and AI agents:
   
   1. **HubSpot API**
      - Used for contact creation triggers, data retrieval, and owner assignments.
   
   2. **Google Calendar API**
      - Managed via n8n’s Google Calendar Tool node for event creation and schedule extraction.
   
   3. **Gmail API**
      - Sends the personalized welcome email.
   
   4. **OpenAI GPT-4 / GPT-4o / GPT-4o-mini via Langchain**
      - Writes custom emails and performs natural-language-based calendar event coordination.
   
   5. **Langchain Agents/Tool Nodes for AI Task Orchestration**
      - Handles logic branching, parses AI output, manages tool invocation for calendar scheduling, and more.
   
   ---
   
   ## 💡 Smarter Automation with Langchain + AI
   
   One standout innovation in this workflow is the use of Langchain Agents embedded directly in n8n nodes. This gives your automations an intelligent behavior layer — interpreting subtle instructions in workflows and using tools like Google Calendar as if they were a virtual assistant.
   
   By leveraging these agents, the system:
   - Understands ambiguous instructions like "find next available time"
   - Creates natural context-rich responses
   - Dynamically invokes other workflows when needed
   
   ---
   
   ## 🧩 Who This Workflow Is For
   
   This advanced onboarding system is ideal for:
   - B2B SaaS companies scaling customer success operations
   - Agencies wanting to impress with instant, high-touch client onboarding
   - Operational teams seeking smart, no-code AI integration
   - Internal tool builders who want orchestration without constant human input
   
   With customizable prompts, dynamic triggers, and scalable APIs, this workflow is a plug-and-play foundation for any business looking to modernize their onboarding practices.
   
   ---
   
   ## 👋 Final Notes
   
   You can customize this further by:
   - Plugging in different AI models or calendars
   - Tuning email prompts for different use cases
   - Adding Slack, Discord notifications, or CRM follow-ups
   
   And if you get stuck? The workflow author, Thomas at Pollup, includes contact details right in the n8n workspace notes — so help is just an email away.
   
   ✨ Explore the powerful combination of automation and AI – and give your new customers a five-star onboarding experience without adding to your workload.
   
   ---
   
   📩 Contact for Support or Custom Workflows:  
   thomas@pollup.net  
   👨‍🔧 Explore other workflows by the author: [Pollup on n8n.io](https://n8n.io/creators/zeerobug/)

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.