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

# Trello

## Overview

> [card] [Pre-built tooling](#pre-built-tooling)

> [card] [Pre-built integrations](#pre-built-integrations)

> [card] [Access requirements](#access-requirements)

> [card] [Setup guide](#setup-guide)

> [card] [Useful links](#useful-links)

> [card] [API gotchas](#api-gotchas)

## Pre-built tooling

> [accordion] ✅ Authorization
>
> | Tools | Status |
> | - | - |
> | Pre-built authorization (OAuth) | ✅ |
> | Credentials auto-refresh | ✅ |
> | Auth parameters validation | ✅ |
> | Pre-built authorization UI | ✅ |
> | Custom authorization UI | ✅ |
> | Expired credentials detection | ✅ |

> [accordion] ✅ Read & write data
>
> | Tools | Status |
> | - | - |
> | Pre-built integrations | ✅ |
> | API unification | ✅ |
> | 2-way sync | ✅ |
> | Webhooks from Nango on data modifications | ✅ |
> | Real-time webhooks from 3rd-party API | 🚫 (time to contribute: \<48h) |
> | Proxy requests | ✅ |

> [accordion] ✅ Observability & data quality
>
> | Tools | Status |
> | - | - |
> | HTTP request logging | ✅ |
> | End-to-end type safety | ✅ |
> | Data runtime validation | ✅ |
> | OpenTelemetry export | ✅ |
> | Slack alerts on errors | ✅ |
> | Integration status API | ✅ |

> [accordion] ✅ Customization
>
> | Tools | Status |
> | - | - |
> | Create or customize use-cases | ✅ |
> | Pre-configured pagination | 🚫 (time to contribute: \<48h) |
> | Pre-configured rate-limit handling | 🚫 (time to contribute: \<48h) |
> | Per-customer configurations | ✅ |

### Others

| Function name | Description | Type |
| - | - | - |
| `add-card-comment` | Add a comment to a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `add-checklist-item` | Add an item to a Trello checklist. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `create-attachment` | Create an attachment on a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `create-board` | Create a board in Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `create-card` | Create a card in Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `create-list` | Create a list in Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `delete-attachment` | Delete an attachment from a Trello card | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `delete-board` | Permanently delete a Trello board. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `delete-card` | Permanently delete a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `delete-checklist-item` | Delete an item from a Trello checklist. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `delete-checklist` | Permanently delete a Trello checklist. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `delete-comment` | Delete a comment from a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `delete-label` | Permanently delete a Trello label. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `delete-list` | Archive a Trello list. Trello does not support permanent list deletion; lists are archived by setting closed=true. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-attachment` | Retrieve a single attachment from a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-board` | Retrieve a single board from Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-card` | Retrieve a single card from Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-checklist-item` | Retrieve a single checklist item from Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-checklist` | Retrieve a single checklist from Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-label` | Retrieve a single label from Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-list` | Retrieve a single list from Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-member` | Retrieve a Trello member by ID. Use 'me' to get the authenticated user. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `get-organization` | Retrieve a single organization (workspace) from Trello. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-attachments` | List attachments on a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-board-actions` | List activity actions (audit log) for a Trello board. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-boards` | List boards for the authenticated Trello member. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-card-actions` | List activity actions for a Trello card (includes comments, moves, updates) | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-cards` | List cards on a Trello board | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-checklists` | List checklists on a Trello card | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-labels` | List labels on a Trello board. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-lists` | List lists on a Trello board. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-members` | List members of a Trello board | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `list-organizations` | List organizations (workspaces) for the authenticated Trello member. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `move-card` | Move a Trello card to another list or board. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `update-board` | Update a Trello board | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `update-card` | Update a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `update-checklist-item` | Update a checklist item on a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `update-checklist` | Update a Trello checklist. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `update-comment` | Update an existing comment on a Trello card. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `update-label` | Update a Trello label. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `update-list` | Update a Trello list. | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `update-organization` | Update a Trello organization (workspace). | [Tool](https://nango.dev/docs/guides/functions/tools.md) |
| `actions` | Sync activity actions (audit log) for Trello boards. | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `attachments` | Sync attachments from Trello cards. | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `boards` | Sync boards from Trello. | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `cards` | Sync cards from Trello boards | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `checklists` | Sync checklists (with their items) from Trello cards | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `custom-fields` | Sync custom field definitions from Trello boards | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `labels` | Sync labels from Trello boards. | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `lists` | Sync lists from Trello boards | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `members` | Sync members from Trello boards. | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |
| `organizations` | Sync organizations (workspaces) the authenticated member belongs to. | [Sync](https://nango.dev/docs/guides/functions/syncs/sync-functions.md) |

## Access requirements

| Pre-Requisites | Status | Comment |
| - | - | - |
| Paid dev account | ❓ | |
| Paid test account | ❓ | |
| Partnership | ❓ | |
| App review | ❓ | |
| Security audit | ❓ | |

## Setup guide

*No setup guide yet.*

> [!TIP]
>
> Need help getting started? Get help in the [community](https://nango.dev/slack).

> [!NOTE]
>
> Contribute improvements to the setup guide by [editing this page](https://github.com/nangohq/nango/tree/master/docs/integrations/all/trello.mdx)

## Useful links

* [How to register an Application](https://developer.atlassian.com/cloud/trello/guides/rest-api/authorization/#introduction)
* [OAuth-related docs](https://developer.atlassian.com/cloud/trello/guides/rest-api/authorization/)
* [API](https://developer.atlassian.com/cloud/trello/guides/rest-api/api-introduction/)
* [Web API docs (their REST API)](https://developer.atlassian.com/cloud/trello/rest/api-group-actions/#api-group-actions)
* [SCIM API Docs](https://developer.atlassian.com/cloud/trello/scim/routes/)

> [!NOTE]
>
> Contribute useful links by [editing this page](https://github.com/nangohq/nango/tree/master/docs/integrations/all/trello.mdx)

## API gotchas

* Scopes is either `read`, `write`, `account`.

> [!NOTE]
>
> Contribute API gotchas by [editing this page](https://github.com/nangohq/nango/tree/master/docs/integrations/all/trello.mdx)

> [card] [Connect to trello-scim](https://nango.dev/docs/integrations/all/trello-scim/connect)
>
> Guide to connect to trello-scim using Nango Connect.


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