This article provides a complete, practical walkthrough of the Splitout Code 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: Automate HubSpot CRM Field Sync and Data Import with n8n and Google Sheets
   
   Meta Description: Learn how to build a low-code n8n workflow that fetches, filters, and syncs HubSpot CRM properties and automates data import from CSV files into HubSpot using Google Sheets for dynamic mapping and validation.
   
   Keywords: n8n workflow, HubSpot CRM, Google Sheets, automation, data mapping, CSV import, HubSpot API, Google Sheets API, low-code automation, dynamic form validation, CRM sync
   
   Third-party APIs Used:
   
   1. HubSpot CRM API (via OAuth2) – for fetching and importing object properties (e.g., contacts, companies)
   2. Google Sheets API (via OAuth2) – for storing and validating field mappings
   3. n8n Form Trigger – for custom file upload and field selection
   4. n8n HTTP Request – to interact with HubSpot’s REST API for both read/write operations
   5. Extract From File (n8n built-in) – to process and extract content from uploaded CSVs
   
   Article:
   
   📌 Streamline HubSpot Data Sync & Import with n8n Automation
   =================================================================
   
   Managing customer data within HubSpot CRM can quickly become a complex task — especially when importing external datasets from tools your sales or marketing teams use every day. Errors in field alignment and manual adjustments are common pitfalls. But what if there was a fully automated, low-code solution to streamline CRM field management and ensure data consistency?
   
   In this article, we’ll explore a powerful n8n workflow that automates the end-to-end process of syncing HubSpot CRM properties with Google Sheets and importing clean, mapped data from uploaded CSV files. It makes use of conditional logic, dynamic field mapping, and real-time validation — all without writing a single line of backend code.
   
   🎯 What This Workflow Does
   ----------------------------
   
   This n8n workflow consists of two primary modules:
   
   1. **Property Sync to Google Sheets**:
      - Fetches all CRM object properties (for `companies`, `contacts`, `deals`, `leads`, and `tickets`) from HubSpot using its CRM API.
      - Cleans the dataset by removing system-generated fields (e.g., those starting with `hs_` or marked as hidden).
      - Appends the clean list of fields to a corresponding tab in a Google Sheet for persistent storage and reuse.
   
   2. **CSV Upload and Import to HubSpot**:
      - A form is presented to the user for uploading a `.csv` file and selecting the object type being imported.
      - Fields in the uploaded file are validated against the field list from the Google Sheet.
      - If discrepancies are found, users are prompted to manually map imported fields to HubSpot fields via another auto-generated form.
      - After validation, data is split into individual import objects and uploaded to HubSpot using its Create Object API.
   
   🌐 API Integrations Explained
   -------------------------------
   
   This system leverages a combination of APIs for seamless operation:
   
   - **HubSpot CRM API**: This is the heart of the operation. It powers fetching metadata for each CRM object (via GET `/crm/v3/properties/{object}` endpoint) and pushes new records (via POST `/crm/v3/objects/{object}`).
     
   - **Google Sheets API**: This is used both for persistent field storage and real-time validation. Users don’t have to memorize field names — the system handles that by checking fields against data already curated and stored in Sheets.
   
   - **n8n Form & File Triggers**: These built-in nodes provide a user-friendly interface for uploading a CSV file and selecting the intended import type.
   
   🧩 Step-by-Step Breakdown
   ---------------------------
   
   1. **Step 1: Sync CRM Fields**
      - Trigger by clicking "Start here to update your field list".
      - The workflow begins by clearing an existing Google Sheet and defining a hardcoded array of CRM objects.
      - Each object goes through HubSpot fetching, custom transformation (e.g., adding `crm_type`), and filtration (removing hidden or system properties).
      - The cleaned result is written into Google Sheets for later validation by the import module.
   
   2. **Step 2: Upload & Validate CSV**
      - When a user uploads a CSV via the form, the workflow:
        - Extracts the CSV's header line.
        - Retrieves matching CRM object properties from the Google Sheet.
        - Compares the uploaded file’s fields with the known HubSpot property names.
        - If all match, the workflow proceeds.
        - If mismatches exist, a dynamic form is built to let the user map unknown fields.
   
   3. **Step 3: Import Data**
      - Cleaned and mapped records are transformed into a structure HubSpot expects.
      - Records are then looped over one by one and pushed to HubSpot via API.
      - A confirmation message (“Your data has been imported successfully!”) is shown on form completion.
   
   🎛️ Dynamic Field Mapping
   --------------------------
   
   One of the most innovative aspects of the workflow is its clever use of a dynamic form. If any uploaded field isn’t recognized, the system dynamically builds a dropdown for each unknown field, allowing the user to select the appropriate match from available options. This provides a seamless no-code experience to fix field mismatches — a common hurdle in data imports.
   
   🗄️ Persistent Configuration
   ----------------------------
   
   By writing all object properties into Google Sheets, the workflow gains long-term flexibility and scalability. Field definitions live beyond the execution of the workflow, enabling validation against the most current state of HubSpot fields without repeated API calls.
   
   🔐 Credentials Safe & Modular
   ------------------------------
   
   The workflow is fully secure, using OAuth2 credentials managed within n8n for both HubSpot and Google Sheets. This ensures that sensitive tokens are stored safely and not hardcoded into nodes.
   
   🙋 Want to Customize This?
   ----------------------------
   
   Need custom validation rules? Extra CRM objects? More steps like sending notifications after import? The workflow was designed to be easily extendable. Add more forms, Slack alerts, email summaries, log sheets — the possibilities are endless.
   
   📭 Final Thoughts
   -------------------
   
   This n8n workflow demonstrates the power of low-code automation to bridge gaps between platforms. Whether you’re a marketing ops specialist, data analyst, or CRM administrator, this solution can dramatically reduce manual labor, improve data integrity, and accelerate your CRM workflows.
   
   🔗 Curious to try or customize this yourself?
   Get in touch with the template author or browse similar workflows on the [n8n creator's page](https://n8n.io/creators/zeerobug/).
   
   Need help or a custom solution? Contact the creator at [thomas@pollup.net](mailto:thomas@pollup.net).
   
   —
   
   This template is a testament to just how far no-code platforms like n8n have come — the ultimate glue between your tools, APIs, and operations.

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.