Automate Notion & Trello

Stop paying for mismatched spreadsheets. Sync data between Notion and Trello in real-time, so you can manage your operations without the busywork.

Get This Workflow Built

Custom API Integration

Secure Data Transfer

Done-For-You Setup

How the Data Flows

graph LR
    subgraph Source ["Notion"]
        T1(["Data Source File Properties"])
    end
    
    subgraph Middleware ["Enterprise Integration Core"]
        W[CRON API
Poller] --> V{Validation
& Auth}
        V -->|Fail| DLQ[Dead Letter
Queue]
        V -->|Pass| Map[Data Mapping
& Transformation]
        Map --> Retry[Rate Limiting
& Retries]
    end
    
    subgraph Target ["Trello"]
        A1(["Add Attachment to Card"])
    end

    T1 -->|JSON Payload| W
    Retry -->|Authenticated API POST| A1

    style Source fill:transparent,stroke:#cbd5e1,stroke-dasharray: 5 5
    style Target fill:transparent,stroke:#cbd5e1,stroke-dasharray: 5 5
    style Middleware fill:#f8fafc,stroke:#94a3b8,stroke-width:2px
    style T1 fill:#3b82f6,stroke:#fff,stroke-width:2px,color:#fff
    style W fill:#1f2937,stroke:#fff,stroke-width:1px,color:#fff
    style V fill:#1f2937,stroke:#fff,stroke-width:1px,color:#fff
    style Map fill:#1f2937,stroke:#fff,stroke-width:1px,color:#fff
    style Retry fill:#1f2937,stroke:#fff,stroke-width:1px,color:#fff
    style DLQ fill:#ef4444,stroke:#fff,stroke-width:1px,color:#fff
    style A1 fill:#e11d48,stroke:#fff,stroke-width:2px,color:#fff

When Notion and Trello operate separately, project managers often face the issue of task updates being lost. For instance, if a team member updates a task's status in Notion, that change may not reflect in Trello, leading to confusion about project progress. This results in project coordinators manually cross-referencing both platforms to ensure that task statuses align, wasting valuable time that could be spent on actual project work.

Top Ways to Automate Notion & Trello

Automated Task Synchronization: Instantly sync tasks created in Trello with corresponding entries in Notion, ensuring that all team members have access to the latest updates without manual intervention.
Real-Time Project Status Updates: Automatically update project statuses in Notion based on changes made in Trello, providing a unified view of progress and eliminating the need for constant cross-checking.
Centralized Reporting: Generate comprehensive reports in Notion that aggregate data from Trello boards, allowing for informed decision-making and streamlined project management.

How to Build the Notion → Trello Sync

In Notion, create a new database for your tasks and set up a standard webhook to trigger on task updates.
Configure the webhook to listen for the 'task.updated' event, extracting relevant payload data such as 'task_id', 'status', and 'due_date'.
In your server, set up an endpoint to receive the webhook payload from Notion. Ensure this endpoint is publicly accessible to receive incoming requests.
Upon receiving a webhook from Notion, parse the payload to extract 'task_id', 'status', and 'due_date'.
Use the Trello API to POST to the endpoint /1/cards/{task_id} with the extracted data. Ensure you include the updated 'status' and 'due_date' in the request body.
Test the integration by updating a task in Notion and verifying that the corresponding Trello card reflects the changes accurately.

Developer Warnings & API Gotchas

Ensure that the 'task_id' in Notion matches the card ID in Trello; otherwise, the update will not apply to the correct card.
When extracting the 'status', be aware of Trello's specific status values; mismatched values may lead to updates being ignored.
Check the payload structure from Notion carefully; any changes in the webhook data format could break your integration without warning.

Supported API Operations

We leverage official, stable endpoints to ensure secure data transfer. No deprecated legacy routes.

When this happens in Notion... Data Source File Properties

Do this in Trello Add Attachment to Card
When this happens in Notion... Data Source Properties

Do this in Trello Add Checklist to Card
When this happens in Notion... Data Source Templates

Do this in Trello Add Label to Card
When this happens in Notion... Fetch Custom Actions

Do this in Trello Add Member to Board
When this happens in Notion... List Data Source Items

Do this in Trello Add Members to Card

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I can see you're looking at mapping Notion to Trello. Tell me about your current setup—what's the specific bottleneck you're trying to automate right now?