> ## Documentation Index
> Fetch the complete documentation index at: https://docs.collabase.ch/llms.txt
> Use this file to discover all available pages before exploring further.

# Trello

> Create and manage cards, add comments and labels, and respond to Trello board events.

# Trello

Automate Trello card management — create cards from automation triggers, move them between lists, attach labels, post comments, and retrieve board and list data.

## Authentication

**Auth type:** API Key + Token

Get your API key from [trello.com/power-ups/admin](https://trello.com/power-ups/admin). Click the **Token** link to generate a user token.

| Credential    | Description            |
| ------------- | ---------------------- |
| **API Key**   | Your Trello API key    |
| **API Token** | Your Trello user token |

## Triggers

| Trigger           | When it fires                       |
| ----------------- | ----------------------------------- |
| **Card Created**  | A new card is added to a board      |
| **Card Moved**    | A card is moved to a different list |
| **Card Archived** | A card is archived (closed)         |
| **Comment Added** | A comment is posted on a card       |

## Actions

<AccordionGroup>
  <Accordion title="Cards">
    | Action                 | Key inputs                                                                  | Key outputs                            |
    | ---------------------- | --------------------------------------------------------------------------- | -------------------------------------- |
    | **Create Card**        | `listId`, `name`, `description`, `due`, `labelIds`, `memberIds`, `position` | cardId, name, url, listId              |
    | **Update Card**        | `cardId`, `name`, `description`, `listId`, `due`, `dueComplete`, `closed`   | cardId, name, url                      |
    | **Get Card**           | `cardId`                                                                    | cardId, name, url, listId, due, closed |
    | **Delete Card**        | `cardId`                                                                    | deleted                                |
    | **List Cards in List** | `listId`                                                                    | cards\[], count                        |
  </Accordion>

  <Accordion title="Comments & labels">
    | Action                | Key inputs          | Key outputs     |
    | --------------------- | ------------------- | --------------- |
    | **Add Comment**       | `cardId`, `text`    | commentId, text |
    | **Add Label to Card** | `cardId`, `labelId` | success         |
  </Accordion>

  <Accordion title="Boards">
    | Action          | Key inputs | Key outputs                            |
    | --------------- | ---------- | -------------------------------------- |
    | **List Boards** | —          | boards\[] — boardId, name, url, closed |
  </Accordion>
</AccordionGroup>

<Note>
  Trello uses `closed: true` to archive cards — it does not permanently delete them. Use **Delete Card** only if you want permanent removal.
</Note>