Webhooks and Forms in n8n: Capture Data from Anywhere

Updated October 14, 2026. Built against the tool’s current screens and checked step by step. How we check this lesson

Most automations start with data arriving from somewhere. In n8n, two triggers cover most of it. The n8n Form Trigger gives you a form n8n hosts for you, and the Webhook node gives you a web address any other app can send data to. In this free n8n webhook and form trigger tutorial you build both in one workflow, test each with its Test URL, save every entry to Google Sheets and publish so the Production URLs run on their own.

Start here first: Find and Use n8n Templates (module 1 of n8n Automation Toolkit)

In the course: Part 9 · n8n Automation Toolkit (Module 55 of the full course)

Part of: Webhooks & Website Forms (step 4 of 7). Next up: Lovable + n8n: Build a Web App with an AI Backend

Part of: n8n Jump Start (step 6 of 14). Next up: n8n: Turn Meeting Notes into Action Items in a Google Sheet

What you will build

You will build one workflow for Riverbend Landscaping, a small landscaping business that gets quote requests in two places. The first is a Request a free quote form that n8n builds and hosts, with a Name field and an Email field. The second is the contact form on the business's own website, which sends each entry to an n8n webhook.

Both paths end in the same Google Sheet, Riverbend Quote Requests, where each request becomes a new row. Once you publish it, it keeps running when you close the editor.

Who this n8n webhook tutorial is for

This module is for small business owners, office managers and anyone who has heard that n8n can "catch data from anywhere" but never quite understood webhooks. You do not need to code or have an n8n account to practice. The lesson starts from an empty workflow and explains each screen as you go.

Test URL vs Production URL, explained

Every n8n webhook and form has two addresses. The Test URL has webhook-test or form-test in it, and it only works while you are listening in the editor: after you click Listen for test event on a webhook, or Execute step on a form trigger. Test runs show up right inside the editor.

The Production URL has plain webhook or form in it, and it only works once the workflow is published. Those runs do not appear in the editor; you find them in the executions list. The most common beginner mistake is putting the Test URL into a website, then closing n8n.

Why a webhook's data sits inside body

A form trigger hands n8n fields named after your labels, so Name and Email drag straight onto your sheet. A webhook receives a whole HTTP request instead: headers, params, query and body. The fields a website sends live inside body, which is why the copied sheet step is remapped to body name and body email, and why the HTTP Method is POST: forms send their data in the body of a POST request.

How to use this in your business

Use the n8n form when you want a quick intake, booking or feedback form without paying for a separate form tool: share its Production URL in an email or behind a button. Use a webhook when the data already lives somewhere else. Many website builders, form tools, payment systems and CRMs can send each new entry to a webhook URL, and n8n can then save it, send an alert or start a follow-up. With both triggers in one workflow, every request ends up in one place.

How the interactive lesson works

Every step is shown first on the left, in the Watch panel, with a short voice-over. Then you do it yourself on the right, in Your turn, on a practice copy of n8n, the test form and a simple website editor. Each click is checked, so you know right away if you picked the right button. If you get stuck, press Do it for me and the step is done for you. Nothing goes online, so you can make mistakes freely, then build it for real.

Step by step: Webhooks and Forms in n8n: Capture Data from Anywhere

All 51 steps of the interactive module, in order. In the module you watch each one, then do it yourself in a practice copy that checks your work.

1. Build the form

1. Add the first step. This is a new, empty workflow. Click Add first step…

   Riverbend Landscaping wants every quote request in one Google Sheet, whether it comes from a form or from their website. In a new workflow, click Add first step.

2. On form submission. In What triggers this workflow?, pick On form submission.

   Pick On form submission. n8n builds and hosts the form for you, so you need no other form tool.

3. Give it a title. The Form Title is required and shows as the heading of the form. Type Request a free quote.

   The form needs a title. It becomes the heading people see.

4. Add a question. Each question on the form is a form element. Click Add Form Element.

   Now the questions. Every question is a form element.

5. Label it. New elements start as a Text Input, which suits a name. In Label, type Name.

   New elements start as a Text Input, which is right for a name. In Label, type Name.

6. Add another. Add a second element for the email address: click Add Form Element again.

   Add a second element, for the email address.

7. Label it Email. In the new element's Label, type Email.

   Label this one Email.

8. Element Type. Open its Element Type drop-down.
9. Choose Email. Choose Email.

   The form will then check that people type a real email address before they can submit.

2. Test the form

10. Execute step. At the top, Form URLs shows the Test URL and the Production URL. Test first: on the left, click Execute step.

    At the top are two addresses. The Test URL is for trying things out. The Production URL is the one you share, once the workflow is published. On the left, click Execute step.

11. Fill in the test form. The test form opened in a new tab. Fill it in like a customer: type Dana Whitfield as the name.

    The test form opened in a new tab. Fill it in like a customer would.

12. Add an email. Type an email, for example [email protected].

    And an email address.

13. Submit. Click Submit.
14. Back to n8n. The form says Form Submitted. Switch back to the n8n tab.

    Form Submitted. Switch back to the n8n tab.

15. Look at the output. The OUTPUT shows one item: Name, Email, submittedAt and formMode. Close the node with the ×.

    There's the submission: the name, the email, and when it came in. Close this window.

3. Save to Google Sheets

16. Add the next step. Click the + on the right of On form submission.

    Now save each submission to a sheet.

17. Search for Google Sheets. In Search nodes..., type sheets.

    Search for sheets.

18. Google Sheets. Click Google Sheets.
19. Append row in sheet. Under Sheet Within Document Actions, click Append row in sheet.

    It adds a new row for every submission.

20. Choose the spreadsheet. If you connected Google Sheets before, Google Sheets account is already picked (if not, create the credential and sign in with Google). Open the Document list.

    Your Google Sheets account is already picked, if you connected it before. If not, create it here and sign in with Google.

21. Pick the sheet. Pick Riverbend Quote Requests.

    Pick Riverbend Quote Requests. It has a Name column and an Email column.

22. Choose the tab. Open the Sheet list.
23. Sheet1. Choose Sheet1.

    n8n reads its columns and lists them under Values to Send.

24. Map the name. Drag Name from the INPUT on the left onto the Name field under Values to Send. (Here, click it.)

    Now map the answers.

25. Map the email. Drag Email onto the Email field.
26. Test the step. Click Execute step.

    n8n adds Dana's answers as a new row in the sheet.

27. Close the node. The row went in. Close the node with the ×.

    The row is in. The form is done. Close this window.

4. Add a webhook

28. Open the nodes panel. Riverbend's website has its own contact form. Click the + at the top right of the canvas.

    Now the website. Riverbend's site has its own contact form, and it can send each entry to n8n through a webhook.

29. Add another trigger. A workflow can have more than one trigger. At the bottom, click Add another trigger.
30. On webhook call. Choose On webhook call.
31. HTTP Method. A webhook is a web address that waits for data. Open HTTP Method.

    A webhook is a web address that waits for data to arrive. First, open HTTP Method.

32. POST. Choose POST.

    That's how website forms send their data. GET is mostly for asking for data.

33. Path. The Path is the end of the address, and n8n started it with a random ID. Replace it with quote-request.

    The Path is the end of the address. n8n started it with a random ID. Replace it with quote-request, so you can recognize it later.

5. Test the webhook

34. Listen for test event. Under Webhook URLs, the Test URL has webhook-test in it; the Production URL just webhook. Click Listen for test event.

    Look at the Webhook URLs. The Test URL has webhook-test in it. The Production URL just says webhook.

35. Copy the Test URL. n8n is waiting for one POST request to the Test URL. Click the URL to copy it.

    n8n is now waiting for one request to the Test URL.

36. Go to the website editor. Switch to the Riverbend website tab.

    Switch to the tab with Riverbend's website editor.

37. Paste the Test URL. The contact form can send each entry to a webhook. Paste the Test URL into Webhook URL.

    This contact form can send each entry to a webhook.

38. Send a test. Click Send test submission.

    The website posts a sample entry to n8n.

39. Back to n8n. n8n answered Workflow was started. Switch back to the n8n tab.

    The website got a reply: Workflow was started. Now go back to the n8n tab.

40. Look at the request. The OUTPUT shows the request. The form fields are inside body: name, email and message. Close the node.

    Here's the request. The website's fields are inside body: name, email and message. Close this window.

6. Save website entries too

41. Add the next step. Website entries should land in the same sheet. Click the + on the right of Webhook.

    Website entries should land in the same sheet.

42. Search for Google Sheets. In Search nodes..., type sheets.

    Search for sheets again.

43. Google Sheets. Click Google Sheets.
44. Append row in sheet. Click Append row in sheet. n8n names this one Append row in sheet1 and connects it to the Webhook.

    n8n calls this one Append row in sheet 1, and it is already connected to the Webhook.

45. Choose the spreadsheet. Open the Document list.

    Same sheet as before.

46. Pick the sheet. Pick Riverbend Quote Requests.
47. Choose the tab. Open the Sheet list.
48. Sheet1. Choose Sheet1. Name and Email appear under Values to Send.

    Name and Email appear under Values to Send.

49. Map name. On the left, the website's fields are inside body. Drag name onto Name.

    On the left, the website's data is inside body.

50. Map email. Drag email onto Email.
51. Close the node. Close the node with the ×.

    Close this window.

Screenshots

Frequently asked questions

What is a webhook in n8n?

A webhook is a web address that waits for data. When another app sends a request to it, the Webhook node starts your workflow with that request, including anything the app sent in the body.

What is the difference between the n8n Form Trigger and the Webhook node?

The Form Trigger builds and hosts a form page for you and passes each submission to the workflow. The Webhook node has no page; it gives other apps an address to send data to, such as your website's own contact form.

Why does my n8n webhook stop working when I close the editor?

You are probably using the Test URL, which only works while n8n is listening for a test event. Publish the workflow and use the Production URL instead.

Is this course really free?

Yes. Stepthrough is completely free, and the practice copy needs no accounts. To build it for real you need your own n8n and Google accounts, and some of those cost money once you use them for real work.

Start this module free

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