Trello

API

RESTful API for organizing projects with Trello’s boards, lists, and cards

Overview

The Trello API lets developers programmatically interact with Trello’s project management tools. It offers RESTful endpoints for creating/updating boards, lists, cards, assigning members, adding comments, and tracking actions. Responses are JSON-formatted. Use cases include automating task workflows (e.g., moving cards on deadline triggers), syncing Trello data with CRMs or spreadsheets, building custom dashboards, and integrating with team tools like Slack to keep stakeholders updated on project progress. It supports collaboration features ideal for streamlining team organization.

Example Integration (JavaScript)

script.js JS


fetch('https://developers.trello.com/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful Architecture
JSON Response Format
OAuth 1.0a Authentication
Webhook Support for Real-Time Updates
Endpoints for Boards, Lists, Cards & Team Data

Frequently Asked Questions

? Is the Trello API free to use?

Basic usage of the Trello API is free, but higher rate limits and advanced features are available with paid Trello plans (Business Class/Enterprise).

? Does it require authentication?

Yes, you need an API key and OAuth 1.0a token to authenticate requests, ensuring secure access to user data.

? What is the response format?

The Trello API returns data in JSON format for all endpoints, compatible with most modern applications.

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Tool Info

Pricing Freemium

Category Business

Platform Public API

Pros

⊕ Well-documented for easy integration
⊕ Covers all core Trello project management features
⊕ Webhook support for real-time data updates
⊕ Enables automation of team collaboration workflows

Cons

⊖ Rate-limited (varies by user plan)
⊖ OAuth 1.0a setup may be complex for new developers
⊖ Advanced features locked behind paid Trello plans