Automate Trello & Gmail

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

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Custom API Integration

Secure Data Transfer

Done-For-You Setup

How the Data Flows

graph LR
    subgraph Source ["Trello"]
        T1(["Card Archived Legacy"])
    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 ["Gmail"]
        A1(["Add Label to Email"])
    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 Trello and Gmail operate independently, project updates often get lost in translation. For instance, when a team member updates a card in Trello, the corresponding email notification may not reflect the latest status, causing confusion. This results in project managers manually checking Trello for updates and sending follow-up emails, wasting valuable time that could be spent on more critical tasks. The marketing team, relying on accurate project timelines, ends up missing deadlines due to outdated information circulated via email.

Top Ways to Automate Trello & Gmail

Automated Task Creation: Instantly convert important emails into Trello cards, ensuring that no task is overlooked and that your team can act on critical communications without delay.
Real-Time Updates: Receive automatic notifications in Trello whenever a relevant email arrives in Gmail, keeping your team informed and aligned on project developments.
Streamlined Communication: Link Trello comments to specific email threads, allowing team members to discuss tasks directly within Trello, reducing the need to switch back and forth between platforms.

How to Build the Trello → Gmail Sync

Set up a webhook in Trello to listen for card updates. Use the endpoint https://api.trello.com/1/webhooks to create a webhook that targets your server.
Configure the webhook to trigger on the updateCard event, ensuring you capture the card's id, name, and desc from the payload.
On your server, implement a listener that processes incoming webhook requests. Extract the relevant data from the JSON payload: payload.action.data.card.id, payload.action.data.card.name, and payload.action.data.card.desc.
Use the Gmail REST API to send an email notification. Construct a POST request to https://www.googleapis.com/gmail/v1/users/me/messages/send.
Format the email body to include the updated card details, ensuring to encode the message in base64 as required by the Gmail API.
Test the entire flow by updating a Trello card and confirming that an email notification is sent with the correct details.

Developer Warnings & API Gotchas

Ensure the webhook URL is publicly accessible; otherwise, Trello won't be able to send the update notifications.
The Trello payload may contain nested objects; be careful to extract data from payload.action.data.card rather than assuming a flat structure.
When formatting the email for Gmail, remember to include the necessary headers, such as Content-Type and Subject, or the email may not send correctly.

Supported API Operations

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

When this happens in Trello... Card Archived (Legacy)

Do this in Gmail Add Label to Email
When this happens in Trello... Card Due

Do this in Gmail Archive Email
When this happens in Trello... Card Moved to List

Do this in Gmail Create Draft
When this happens in Trello... Card Moved to List (Legacy)

Do this in Gmail Create Draft (Legacy)
When this happens in Trello... Card Updated

Do this in Gmail Create Draft Reply

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