SyncMatrix.
Stripe logo + Square logo

Automate Stripe & Square

Stop paying for mismatched spreadsheets. Sync data between Stripe and Square 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 ["Stripe"]
        T1(["Canceled Subscription"])
    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 ["Square"]
        A1(["Add Customer to Group"])
    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 Stripe and Square operate independently, transaction data can become fragmented. For instance, if a payment is processed in Stripe but not reflected in Square, the accounting team may manually enter the transaction details into Square, leading to potential errors in revenue reporting. This manual entry wastes hours each week, as finance teams double-check records to ensure consistency across platforms, ultimately delaying financial reconciliations.

Top Ways to Automate Stripe & Square

  • Automated Payment Reconciliation: Streamline your financial processes by automatically syncing transactions between Stripe and Square, ensuring accurate and timely reconciliation of payments.
  • Unified Customer Insights: Gain a comprehensive view of customer interactions by consolidating data from both platforms, enabling personalized marketing strategies and improved customer service.
  • Real-Time Reporting: Access up-to-date financial reports that aggregate data from both Stripe and Square, empowering your team to make informed decisions quickly and efficiently.

How to Build the Stripe → Square Sync

  1. Set up a webhook in Stripe to listen for the 'account.updated' event at the endpoint '/webhook/stripe'.
  2. When the event triggers, extract the account ID and capabilities from the payload.
  3. Use the 'List all connected accounts' endpoint to gather all relevant account data.
  4. For each connected account, retrieve the external accounts using the 'List all external accounts' endpoint.
  5. Prepare a POST request to Square's API at '/v2/payments' with the extracted payment details, including the amount and currency.
  6. Ensure to include the relevant 'customer_id' and 'transaction_id' in the payload to maintain data integrity.

Developer Warnings & API Gotchas

  • Ensure that the account capabilities from Stripe are fully mapped to the corresponding fields in Square; misalignment can lead to failed transactions.
  • Be cautious when handling multiple external accounts; if multiple accounts are connected, you must manage the logic to determine which one to use in Square based on the transaction context.
  • When processing account updates, ensure that you validate the data structure of the incoming payload from Stripe to prevent API errors when posting to Square.

Supported API Operations

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

  • When this happens in Stripe... Canceled Subscription
    Do this in Square Add Customer to Group
  • When this happens in Stripe... Checkout Session Completed
    Do this in Square Change Inventory
  • When this happens in Stripe... Create a billing meter event
    Do this in Square Create Appointment
  • When this happens in Stripe... Create a billing meter event adjustment
    Do this in Square Create Customer
  • When this happens in Stripe... Create a webhook endpoint
    Do this in Square Create Invoice

SyncMatrix Experts

Available for Hire

We are an AI-powered automation team. We build custom, reliable API workflows that eliminate manual data entry.

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