Trello Integration Guide

How Trello integration works

DropForm sends each new submission to Trello and creates a card in your chosen list. The card typically contains: submission metadata (time, form name), all fields, and a direct link back to the submission in DropForm.

Connection method

Trello doesn’t offer “incoming webhooks” in the same way as Slack/Discord. Instead, DropForm calls Trello’s API endpoint for creating a new card. In DropForm you’ll paste a single Trello API URL (we refer to it as a webhook URL), which already contains your Trello key, token, and target list ID.

What you need before you start

• A Trello account
• A Trello board + list where cards should be created
• Your Trello API key + token
• The Trello List ID (the list that will receive cards)

Step-by-step setup

1) Create a board and a list

Decide where form submissions should land (for example: “New Leads” or “Incoming Support”).

2) Get your Trello API key and token

In Trello, generate an API key and token for your account. Keep them private.

3) Find your List ID

You can get the list ID from the Trello API (or by inspecting the list via Trello’s developer tools). Once you have it, you can build the “create card” URL.

4) Build your Trello “Create Card” URL

This is the URL you’ll paste into DropForm. It includes your key, token, and list ID:

DropForm will POST card data to this URL on each new submission.

5) Paste it into DropForm

1. Open your form in DropForm
2. Go to Integrations → Trello
3. Paste the URL
4. Click Save

6) Send a test submission

Submit your form once and confirm a new card appears in the target list.

What the Trello card looks like

By default, DropForm creates a human-readable card title and description. A common pattern:

If your submission includes file uploads, DropForm can also include links back to the submission so you can access files securely.

Troubleshooting

Card is not created

• Verify your key/token are correct and still valid
• Confirm the List ID is correct (cards must be created inside a list)
• Make sure the URL includes idList and that it points to the intended list

Created cards have missing information

• Check your form field names (clear names produce better card formatting)
• Confirm the submission actually contains those fields

Security notes

• Your Trello token grants access to create cards — treat it like a password.
• Use a dedicated Trello account/token if you want to isolate access.
• If you suspect it leaked, revoke the token immediately and update the URL in DropForm.

FAQ

Can I create cards in different lists based on form data?

If you need routing rules (e.g., different lists per form value), use multiple forms or multiple integration configs and route submissions accordingly.

Can I include labels, members, or due dates?

Trello supports these via API parameters. If your DropForm Trello integration supports advanced fields, you can pass them through. If not, start with the basics (title + description) and expand later.