Automate Keap & Mailchimp

Stop paying for mismatched spreadsheets. Sync data between Keap and Mailchimp 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 ["Keap"]
        T1(["Get Affiliates"])
    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 ["Mailchimp"]
        A1(["Add Note to Subscriber"])
    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 Keap and Mailchimp operate independently, lead information can become fragmented. For instance, if a sales representative updates a lead's contact details in Keap, that change may not reflect in Mailchimp, leading to marketing campaigns being sent to outdated email addresses. This results in wasted marketing resources and potential loss of engagement, as the marketing team spends time manually verifying and updating contact lists instead of focusing on campaign strategy.

Top Ways to Automate Keap & Mailchimp

Automated Contact Sync: Ensure that your customer data is consistently updated across both platforms. Automatically sync new contacts from Keap to Mailchimp, eliminating manual entry and reducing the risk of errors.
Targeted Campaign Triggers: Create automated workflows that trigger targeted email campaigns in Mailchimp based on customer actions in Keap, such as completing a purchase or reaching a specific milestone, enhancing customer engagement.
Performance Reporting: Generate comprehensive reports that consolidate data from both Keap and Mailchimp, allowing you to analyze campaign performance and customer interactions in one place, facilitating informed decision-making.

How to Build the Keap → Mailchimp Sync

In Keap, navigate to the 'Admin' section and select 'Webhooks'. Create a new webhook and set the trigger to 'Contact Updated'. This will send a payload whenever a contact's details are modified.
Configure the webhook to point to an endpoint on your server that will process the incoming data. The payload will typically include fields like 'id', 'email', and 'first_name'.
On your server, extract the relevant data from the webhook payload. For example, ensure you capture 'id' for the Mailchimp API and the 'email' for the update.
Use the Mailchimp API to update the contact. Make a POST request to the endpoint 'https://.api.mailchimp.com/3.0/lists//members/', where is your data center and is the MD5 hash of the contact's email address. Include the updated information in the request body as JSON.
Test the integration by updating a contact in Keap and verifying that the changes reflect in Mailchimp.

Developer Warnings & API Gotchas

Ensure that the email address is correctly hashed using MD5 before sending the request to Mailchimp; otherwise, the update will fail.
Be aware of the data structure differences; Mailchimp requires a specific format for the JSON payload, such as including 'status' with values like 'subscribed' or 'unsubscribed'.
Monitor the response from Mailchimp, as a 404 error may indicate that the subscriber does not exist in the list, which requires additional logic to handle new contacts.

Supported API Operations

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

When this happens in Keap... Get Affiliates

Do this in Mailchimp Add Note to Subscriber
When this happens in Keap... Get Companies

Do this in Mailchimp Add Subscriber to Tag
When this happens in Keap... Get Contact

Do this in Mailchimp Add/Update Subscriber
When this happens in Keap... Get Custom Fields

Do this in Mailchimp Add/Update Subscriber
When this happens in Keap... Get Tags

Do this in Mailchimp Archive Subscriber

SyncMatrix Experts

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