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Trello

Estimated reading: 2 minutes Updated August 1, 2026

Trello is the popular Kanban-style project management tool from Atlassian. Advanced Form Integration creates a new Trello card for every form submission, useful for routing contact-form inquiries, support tickets, or sales leads into your team’s Trello board.

What you’ll need

  • An active Trello account.
  • A Trello API key and token.
  • The Advanced Form Integration plugin installed and activated.

Get your Trello API key and token

  1. Go to https://trello.com/power-ups/admin.
  2. Click New to create a new Power-Up workspace (or use an existing one).
  3. Open the workspace’s API key tab. Copy the API Key.
  4. Below the API key, click Token to generate a token. Authorize and copy the token.

The token grants access to all boards your account can see. Treat it like a password.

Connect Trello to AFI

  1. In WordPress, go to AFI → Settings → Trello.
  2. Paste the API Key and Token and click Save Changes.

Create the integration

  1. Go to AFI → Add New.
  2. Configure the trigger.
  3. In Action → Platform, select Trello.
  4. In Task, choose Create Card.
  5. Pick the Board and List from the dropdowns.
  6. Map the form fields to card fields:
  • Name (required): the card title.
  • Description: card body, supports markdown.
  • Due date: YYYY-MM-DD.
  • Labels: comma-separated label names.
  1. Optional: configure Conditional Logic.
  2. Click Save Integration.

Screenshot: AFI field-mapping screen with Trello card fields visible

Tasks supported

Create Card

Adds a new card to the chosen list on the chosen board. The card lands at the bottom of the list by default.

Conditional logic example

Goal: route bug reports to a “Bugs” Trello board, and feature requests to a “Roadmap” board.

Create two integrations on the same form, each pointing at a different Trello board. Add the matching Equal To condition on each based on the report-type field.

Troubleshooting

Card not created

Common Trello API errors:

  • invalid token or unauthorized: re-generate the token from Trello’s Power-Ups admin.
  • model not found: wrong board or list ID. Re-pick in AFI to refresh.
  • invalid value for idLabels: label names don’t exist on the board. Either create them in Trello first or use exact matching label names.

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