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Trello

Productivity

Kanban boards, cards, and lists for task management

Trello's REST API gives you access to boards, lists, cards, members, and checklists — perfect for automating task management and project tracking.

Details

Auth Type
API Key + Token (query params)
Rate Limit
300 req/10s
Pricing
Free; from $5/user/month (Standard)
Full Docs
Step 1: Save your provider key

This is NOT your Callio key. Enter the API key from the provider's dashboard (e.g. OpenAI/SendGrid).

API Key + Token (query params)

1. Go to https://trello.com/app-key 2. Copy your API key 3. Generate a token via the link on that page 4. Use both in your requests

Get API Credentials

Getting Started

1

Try It Instantly

Click "Try It" above to test the API in the playground

2

Add to Your Agent

Click "Add to Agent" to get your API key and integrate

Common Use Cases

Create cards
Move cards between lists
Manage boards
Add checklists
Automate workflows

💻 Code Examples

Get started quickly with these code examples in your favorite language

curl -X GET \
  'https://www.callio.dev/api/proxy/trello/forward?target=https%3A%2F%2Fapi.trello.com%2Fendpoint' \
  -H 'Authorization: Bearer YOUR_CALLIO_KEY' \
  -H 'Content-Type: application/json'

💡 Tip: Replace YOUR_CALLIO_KEY with your actual Callio API key from the dashboard.

Ready to integrate Trello?

Test endpoints live or generate your API key and start building in minutes

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