Square logo + Stripe logo

Automate Square & Stripe

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

Custom API Integration
Secure Data Transfer
Done-For-You Setup

How the Data Flows

graph LR
    subgraph Source ["Square"]
        T1(["Completed Payment"])
    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 ["Stripe"] A1(["Accept a quote"]) 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 Square and Stripe operate independently, transaction data can become fragmented. For instance, if a payment is processed in Square, the corresponding account information may not automatically reflect in Stripe, leading to discrepancies in customer records. This forces the finance team to manually cross-reference payment data, wasting hours each week to ensure accounts are accurate and up-to-date, which can delay financial reporting and reconciliation processes.

Top Ways to Automate Square & Stripe

  • Automated Transaction Sync: Seamlessly synchronize sales data from Square to Stripe in real-time, eliminating manual entry and reducing errors in financial reporting.
  • Instant Payment Notifications: Receive immediate updates on payment statuses across both platforms, ensuring that your team is always informed and can respond quickly to customer inquiries.
  • Comprehensive Reporting Dashboard: Generate unified reports that combine data from Square and Stripe, providing a holistic view of your business performance and enabling data-driven decision-making.

How to Build the Square → Stripe Sync

  1. Set up a webhook in Square to listen for the 'payment.created' event. This will trigger every time a new payment is processed.
  2. In the webhook payload, extract the 'customer_id', 'amount', and 'currency' from the JSON body.
  3. Use the Stripe API to retrieve the account details by calling the 'Retrieve account' endpoint, using the extracted 'customer_id' to ensure you have the correct account context.
  4. If the account does not exist in Stripe, create a new account link by using the 'Create an account link' endpoint, passing the 'customer_id' and payment details.
  5. For new sessions, utilize the 'Create an Account Session' endpoint to initiate a Stripe session, ensuring to include the 'amount' and 'currency' for accurate transaction processing.
  6. In case an account needs to be deleted, monitor for a 'payment.deleted' event in Square and call the 'Delete an account' endpoint in Stripe with the corresponding account ID.

Developer Warnings & API Gotchas

  • Ensure that the 'customer_id' from Square matches the format expected by Stripe; discrepancies in ID formats can lead to failed account retrievals.
  • When creating an account link, validate that the 'amount' and 'currency' are correctly mapped; mismatches can cause transaction failures.
  • Be cautious with the timing of webhook triggers; if multiple payments are processed in quick succession, ensure that your logic can handle concurrent updates to avoid overwriting account data.

Supported API Operations

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

  • When this happens in Square... Completed Payment
    Do this in Stripe Accept a quote
  • When this happens in Square... Fetch Custom Actions
    Do this in Stripe Activate a billing alert
  • When this happens in Square... Item Variation
    Do this in Stripe Approve a review
  • When this happens in Square... List Appointment Service
    Do this in Stripe Archive a billing alert
  • When this happens in Square... Locations
    Do this in Stripe Archive an invoice rendering template

SyncMatrix Experts

Available for Hire

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

Speak with an Integration Architect

We build custom API workflows that don't hit rate limits.

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