This article provides a complete, practical walkthrough of the Webhook Respondtowebhook Automate 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:  
   Automating Drive-to-Store Lead Generation with Coupons Using n8n, Google Sheets, and SuiteCRM
   
   Meta Description:  
   Learn how to automate your drive-to-store marketing campaign with n8n by integrating Google Sheets and SuiteCRM to manage leads, prevent duplicates, and automatically assign coupons to new submissions.
   
   Keywords:  
   lead generation automation, n8n workflow, SuiteCRM integration, Google Sheets CRM, coupon distribution automation, drive-to-store marketing, no-code CRM automation, SuiteCRM lead creation, coupon management, automated lead filtering
   
   Third-Party APIs Used:  
   - Google Sheets API (OAuth2 via n8n)
   - SuiteCRM REST API (OAuth2 authentication and JSON API endpoints)
   
   —
   
   Article:
   
   In today’s competitive landscape, lead generation isn’t just about collecting contact information—it’s about moving potential customers closer to taking action. For brick-and-mortar retailers and local businesses, this usually means getting foot traffic in the store. One effective way to accomplish that is via a “drive-to-store” strategy paired with digital couponing. The challenge? Making sure the process is fast, automated, and scalable.
   
   In this article, we explore a no-code solution built entirely with n8n—a powerful workflow automation tool—that integrates SuiteCRM and Google Sheets to automate lead acquisition, uniqueness checking, coupon assignment, and CRM entry. It’s a turnkey solution for modern marketers looking to connect data sources and streamline their campaigns.
   
   —
   
   Workflow Summary
   
   Our "Automate Drive-To-Store Lead Generation System (with coupon) on SuiteCRM" workflow performs the following tasks seamlessly:
   
   1. Accepts a new lead submission through a web form or webhook.
   2. Extracts and processes form fields like name, surname, phone, and email.
   3. Checks a Google Sheet to see if the email has already received a coupon.
   4. If it’s a new lead, assigns the next available coupon.
   5. Inserts the lead data and coupon code into SuiteCRM.
   6. Updates the Google Sheet to reflect lead details and assigned coupon.
   7. Returns an appropriate JSON response, indicating either success or duplication.
   
   Let’s take a closer look at each step and how the tools interact.
   
   —
   
   Step 1: Receiving the Form Submission
   
   At the beginning of the workflow, an n8n Form Trigger (or Webhook) captures form details: Name, Surname, Email, and Phone number. This ensures compatibility with both internal n8n forms and external web forms when integrated via a webhook.
   
   This data is then parsed and assigned into structured variables using the “Set” node labeled “Form Fields”.
   
   —
   
   Step 2: Duplicate Detection with Google Sheets
   
   To avoid giving multiple coupons to the same user, the email address is cross-referenced against a Google Sheet, which acts as a lightweight CRM log. This verification step uses the Google Sheets API via OAuth2.
   
   If the email already exists, the workflow returns a JSON response showing "KO" (duplicate lead) and terminates early.
   
   —
   
   Step 3: Retrieving an Available Coupon
   
   For new users who pass the duplicate check, the workflow moves forward to the “Get Coupon” step. Here, it fetches the first available coupon from the same Google Sheet. The assumed structure of the sheet includes an "ID LEAD" column, which helps determine coupon assignment availability. Unassigned coupons (rows without a lead ID) are considered available.
   
   —
   
   Step 4: Connecting to SuiteCRM
   
   Before inserting a lead, n8n authenticates with SuiteCRM’s REST API using OAuth2 credentials. The token is requested using the HTTP Request node, “Token SuiteCRM”. 
   
   Instructions to generate SuiteCRM credentials are included in the flow via sticky notes—by navigating to Admin > OAuth2 Client and Token and creating new Client Credential Clients, SuiteCRM will provide the client ID and secret.
   
   —
   
   Step 5: Creating the Lead and Assigning a Coupon
   
   Once authenticated, the “Create Lead SuiteCRM” node sends a correctly formatted JSON payload including Name, Surname, Email, Phone, and assigned Coupon to SuiteCRM’s V8 API `/Api/V8/module`. Headers ensure that the request is appropriately authenticated and content is passed as JSON API.
   
   This step assumes that your SuiteCRM setup includes a custom field named coupon_c to store the coupon code inside each lead record.
   
   —
   
   Step 6: Updating the Google Sheet
   
   After a successful lead creation, the “Update Lead” node writes full lead details back into the Google Sheet in the following columns: NAME, SURNAME, EMAIL, PHONE, COUPON, DATE, and ID LEAD. This ensures the system knows which coupons have been used and provides an audit trail of all submitted leads.
   
   —
   
   Step 7: Final Response
   
   Depending on the flow path taken, the server responds with an “OK” or “KO” JSON response. This can be used by your frontend to display messages like “Thanks for signing up! Check your email for your coupon” or “You’ve already claimed a coupon”.
   
   —
   
   Why This Workflow Matters
   
   This simple yet powerful n8n workflow addresses a common need for retail businesses: initiating foot traffic via promotional coupons while keeping the backend clean and consistent.
   
   Benefits include:
   
   - Fully automated lead and coupon assignment
   - Duplicate lead prevention
   - Easy integration with SuiteCRM
   - Real-time response for frontend display
   - Visually manageable via n8n’s flow-based editor
   
   —
   
   Setup Requirements
   
   To replicate this workflow, you’ll need:
   
   - A live instance of SuiteCRM 7.14 or 8.x
   - A Google Sheet formatted with at least a “COUPON” column
   - SuiteCRM OAuth2 credentials (client ID and secret)
   - An n8n environment (self-hosted or cloud)
   - Basic understanding of n8n node connections and formatting expressions
   
   —
   
   Final Thoughts
   
   In just a few nodes, you can orchestrate a data-rich, customer-friendly automated pipeline using freely available tools. From form to CRM, from Google Sheet to storefront—this automated drive-to-store coupon system maximizes efficiency while providing a delightful customer experience.
   
   This workflow stands as a strong example of how no-code tools like n8n can tie together services and automate business logic without writing a single line of traditional programming code.
   
   Ready to start automating your campaigns? Don’t just generate leads—convert them with smart workflows.
   
   — 
   
   By [Your Name],  
   Workflow Architect & Automation Advocate

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.