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Why does MerchantSpring sometimes show different numbers from Amazon’s interface?

Understand why MerchantSpring reports may differ slightly from Amazon’s Seller or Vendor Central interface.

MerchantSpring retrieves data from Amazon using official APIs. While this data originates from Amazon, the numbers displayed in MerchantSpring may sometimes differ slightly from the figures shown directly within Amazon’s Seller Central or Vendor Central interfaces.

These differences are usually caused by reporting timing, aggregation methods, or data processing differences between Amazon’s interface and its APIs.

Common Reasons for Differences

  1. Timing Differences
    Amazon’s interface and APIs may update at different times. For example:

    1. Amazon dashboards may show near-real-time estimates.

    2. API data may update on a scheduled interval.

    MerchantSpring relies on API data to ensure consistent reporting.

  2. Different Reporting Logic
    Amazon’s user interface may aggregate metrics differently from how the APIs provide the underlying data. For example:

    1. Certain reports may group financial events differently

    2. Promotional adjustments may be displayed in different categories


MerchantSpring processes individual financial events rather than relying on aggregated totals.

Financial Event Timing

Amazon financial events are recorded using the posted date.

Because of this, some financial activity may appear in MerchantSpring reports at a different time than expected.

Data Availability

Some Amazon dashboards include estimated or projected values that are not yet available through APIs.

MerchantSpring only reports finalized data retrieved through official endpoints.

Best Practices for Comparing Data

When reconciling reports:

  • Compare longer time periods (weekly or monthly)
  • Allow time for refunds and adjustments
  • Use financial reports rather than sales summaries when reconciling profit

Over time, reports will generally reconcile as Amazon publishes all related financial events.

Notes: 

  • Minor discrepancies between platforms are normal.
  • Differences are usually temporary and resolve once all financial events are posted.
If you believe a discrepancy is unusually large or persistent, please contact support@merchantspring.com.au for assistance.