---
title: "Integrations - Trello"
url: "https://docs.unified.to/integrations/trello"
description: "Unified.to documentation"
---
##  Integration: Trello ![Trello](https://api.unified.to/docs/images/trello.png)

[Back to integrations](/integrations)

#### Overview

Integration launch date:

January 24, 2025

API Categories:

[Tasks](/task/overview)[File Storage](/storage/overview)[HR & Directory](/hris/overview)[Authentication](/auth/overview)[Passthrough](/passthrough/overview)

API Authorization:

 OAuth2 flow

#### TASK PROJECT

End-API object:

 workspace board

Unified API Methods:

[List](/task/project/List%5Fall%5Fprojects)[Get](/task/project/Retrieve%5Fa%5Fproject)[Create](/task/project/Create%5Fa%5Fproject)[Update](/task/project/Update%5Fa%5Fproject)[Remove](/task/project/Remove%5Fa%5Fproject)

List options:

limitoffsetparent\_id

Readable fields:

[created\_at](/task/project/model)[description](/task/project/model)[has\_children](/task/project/model)[has\_tasks](/task/project/model)[id](/task/project/model)[name](/task/project/model)[parent\_id](/task/project/model)[updated\_at](/task/project/model)[user\_ids](/task/project/model)

Slow fields:

[has\_tasks](/task/project/model)

Writable fields:

[name](/task/project/model)[description](/task/project/model)[parent\_id](/task/project/model)

 required fields 

#### TASK TASK

End-API object:

 card

Unified API Methods:

[List](/task/task/List%5Fall%5Ftasks)[Get](/task/task/Retrieve%5Fa%5Ftask)[Create](/task/task/Create%5Fa%5Ftask)[Update](/task/task/Update%5Fa%5Ftask)[Remove](/task/task/Remove%5Fa%5Ftask)

List options:

project\_idlimitoffset

 required filter 

Readable fields:

[assigned\_user\_ids](/task/task/model)[attachment\_ids](/task/task/model)[completed\_at](/task/task/model)[created\_at](/task/task/model)[creator\_user\_id](/task/task/model)[due\_at](/task/task/model)[id](/task/task/model)[name](/task/task/model)[notes](/task/task/model)[project\_id](/task/task/model)[start\_at](/task/task/model)[status](/task/task/model)[tags](/task/task/model)[updated\_at](/task/task/model)[url](/task/task/model)

Slow fields:

[attachment\_ids](/task/task/model)

Writable fields:

[name](/task/task/model)[project\_id](/task/task/model)[assigned\_user\_ids](/task/task/model)[creator\_user\_id](/task/task/model)[due\_at](/task/task/model)[notes](/task/task/model)[status](/task/task/model)[tags](/task/task/model)[url](/task/task/model)

 required fields 

#### TASK COMMENT

End-API object:

 comment

Unified API Methods:

[List](/task/comment/List%5Fall%5Fcomments)[Get](/task/comment/Retrieve%5Fa%5Fcomment)[Create](/task/comment/Create%5Fa%5Fcomment)[Update](/task/comment/Update%5Fa%5Fcomment)[Remove](/task/comment/Remove%5Fa%5Fcomment)

List options:

task\_idoffset

 required filter 

Readable fields:

[created\_at](/task/comment/model)[id](/task/comment/model)[task\_id](/task/comment/model)[text](/task/comment/model)[user\_id](/task/comment/model)[user\_name](/task/comment/model)

Writable fields:

[task\_id](/task/comment/model)[text](/task/comment/model)

 required fields 

#### STORAGE FILE

End-API object:

 attachment

Unified API Methods:

[List](/storage/file/List%5Fall%5Ffiles)[Get](/storage/file/Retrieve%5Fa%5Ffile)

List options:

parent\_idlimitoffset

 required filter 

Readable fields:

[created\_at](/storage/file/model)[download\_url](/storage/file/model)[id](/storage/file/model)[mime\_type](/storage/file/model)[name](/storage/file/model)[parent\_id](/storage/file/model)[size](/storage/file/model)[type](/storage/file/model)[user\_id](/storage/file/model)

Writable fields:

[\-none-](/storage/file/model)

#### HRIS EMPLOYEE

End-API object:

 member

Unified API Methods:

[List](/hris/employee/List%5Fall%5Femployees)[Get](/hris/employee/Retrieve%5Fan%5Femployee)

List options:

company\_idlimitquery

Readable fields:

[bio](/hris/employee/model)[company\_id](/hris/employee/model)[emails](/hris/employee/model)[employee\_roles](/hris/employee/model)[first\_name](/hris/employee/model)[has\_mfa](/hris/employee/model)[id](/hris/employee/model)[image\_url](/hris/employee/model)[language\_locale](/hris/employee/model)[last\_name](/hris/employee/model)[name](/hris/employee/model)[timezone](/hris/employee/model)

Writable fields:

[\-none-](/hris/employee/model)

#### HRIS COMPANY

End-API object:

 organization

Unified API Methods:

[List](/hris/company/List%5Fall%5Fcompanies)[Get](/hris/company/Retrieve%5Fa%5Fcompany)

Webhooks:

 Virtual

List options:

limitoffsetupdated\_gte

Readable fields:

[created\_at](/hris/company/model)[id](/hris/company/model)[legal\_name](/hris/company/model)[name](/hris/company/model)[updated\_at](/hris/company/model)

Writable fields:

[\-none-](/hris/company/model)

#### PASSTHROUGH

Unified API Methods:

[POST](/passthrough/overview)[GET](/passthrough/overview)[PUT](/passthrough/overview)[DELETE](/passthrough/overview)

List options:

\-none-

Readable fields:

[\-none-](/passthrough/undefined/model)

Writable fields:

[\-none-](/passthrough/undefined/model)