# Trello (prebuilt connector)

## Description

**Trello** is a web-based, kanban-style, list-making application and is developed by Trello Enterprise, a subsidiary of Atlassian.

## API documentation

API documentation for **Trello** (used to build this connector) can be found via the link below:

{% embed url="<https://developer.atlassian.com/cloud/trello/guides/rest-api/api-introduction/>" %}

## Authentication&#x20;

When adding connector instances for **Trello**, the following authentication methods are supported:

* [API key](#api-key-authentication)

### API key authentication

When a user chooses to [add a connector instance](/product-documentation/connectors-and-instances/working-with-instances/adding-an-instance.md) using **API key** authentication, the credentials below are prompted:

<table><thead><tr><th>Credential</th><th width="145" data-type="checkbox">Required?</th><th>Notes</th></tr></thead><tbody><tr><td><code>api token</code></td><td>true</td><td>Enter your Trello API key here. For information about generating API keys please see <a href="https://developer.atlassian.com/cloud/trello/guides/rest-api/api-introduction/">this Trello guide</a>.</td></tr><tr><td><code>api key</code></td><td>true</td><td>Enter your Trello API key here. For information about generating API keys please see <a href="https://developer.atlassian.com/cloud/trello/guides/rest-api/api-introduction/">this Trello guide</a>.</td></tr><tr><td><code>root url</code></td><td>true</td><td>Leave set to the default <code>api.trello.com/1/</code>.</td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

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```
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```

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