Every eCommerce transaction creates a trail of financial data across sales platforms, payment processors, marketplaces, banks and accounting systems. Retail reconciliation, sales audit and accounting teams need to verify that the transaction was processed correctly, account for fees or other adjustments, confirm the expected settlement reached the bank and investigate discrepancies along the way.

At high transaction volumes, following that trail manually becomes increasingly difficult. This step-by-step guide explains how eCommerce payment reconciliation connects the original sale through payment, settlement and the general ledger, where discrepancies can occur and how retail reconciliation teams can identify the exceptions that require investigation.

How Does eCommerce Payment Reconciliation Work?

eCommerce payment reconciliation works by tracing financial data from the original sale through payment processing, settlement and bank deposit, then ensuring the activity is accurately reflected in the general ledger. At each stage, teams compare records from different systems to confirm amounts align and identify discrepancies.

The process can be broken down into seven steps:

1. Capture sales transaction data
2. Match sales to payment records
3. Account for fees, refunds and chargebacks
4. Match payment activity to settlements
5. Reconcile settlements to bank deposits
6. Investigate and resolve exceptions
7. Record and certify the reconciliation

Let’s look at what happens at each step.

Step 1: Capture the Original Sales Transactions

Start with the original sales transactions recorded by your eCommerce platform or order management system. These records establish what was sold, when the transaction occurred, how much the customer was charged and which payment method was used.

Key transaction details may include the order or transaction ID, sale amount, transaction date, payment method and applicable taxes or discounts. For reconciliation, sales audit, and accounting teams supporting multiple websites, marketplaces or brands, this information may originate from several systems.

Why does this matter? The original sales record establishes what the business expects to collect. If transactions are missing, duplicated or recorded incorrectly at the source, those problems can carry through payment processing, settlement and ultimately the general ledger.

Step 2: Match Sales to Payment Records

Next, compare the original sales transactions with records from the payment processor, gateway or other payment provider. This confirms that a payment was successfully processed for each recorded sale and that the amount and transaction details are correct.

A completed order doesn’t always mean the corresponding payment moved through the process as expected. Payments can fail, transactions can be duplicated, amounts can differ or records can be missing from one system. Across thousands or millions of transactions, these discrepancies can easily disappear into the noise.

Matching typically relies on common identifiers such as transaction IDs, order numbers, dates and amounts. Transactions that don’t match can then be isolated for investigation.

The goal is to establish a clear connection between what was recorded as a sale and what the payment provider recorded as a payment before following that transaction through settlement.

Step 3: Account for Fees, Refunds and Chargebacks

Once sales and payment records are matched, account for activity that changes the amount the business ultimately expects to receive. This may include processing fees, marketplace commissions, refunds, chargebacks and other adjustments.

These adjustments mean the original sale amount may not equal the amount that eventually reaches the bank. For example, a $100 sale could be included in a settlement at a lower net amount after processing fees, while a refund or chargeback could reduce a later settlement.

Why does this matter? A difference between the original transaction and expected settlement isn’t necessarily a discrepancy, but every difference should be explainable. An incorrect fee, mismatched refund or overlooked chargeback can cause the expected amount to diverge from what is ultimately received.

By accounting for these adjustments, teams can establish how much money should be settled.

Step 4: Match Payment Activity to Settlements

Next, compare payment activity with settlement records from the payment processor, marketplace or other provider. Settlements often combine multiple transactions and adjustments into a single net amount that will be transferred to the business.

This means reconciliation may not be a simple one-to-one match. A single settlement can include sales from different periods along with fees, refunds, chargebacks and other adjustments. Settlement timing can also vary by provider, payment method, weekends or holidays.

Reconciling at the transaction level is important even when payments are ultimately settled in batches. Matching the individual transactions and adjustments that make up each settlement helps teams verify that the total is supported by the underlying activity—not simply that two aggregate amounts appear to agree.

An expected transaction could be missing, duplicated, included in the wrong batch or settled for an unexpected amount. Transaction-level reconciliation helps reconciliation, sales audit, and accounting teams teams pinpoint these differences and determine whether they require investigation.

At the end of this step, accounting teams should be able to explain which transactions and adjustments make up each expected settlement and how much should be deposited into the bank.

Step 5: Reconcile Settlements to Bank Deposits

Once the expected settlement amount is established, compare it with deposits recorded in the bank account. This confirms that funds reported as settled by the payment processor, marketplace or other provider were actually received.

The relationship between settlements and bank deposits is not always one-to-one. Multiple settlements may be combined into a single deposit, and timing differences can affect when funds appear in the bank.

Why does this matter? A processor may report a transaction or batch as settled, but accounting teams still need to verify that the expected cash actually arrived. Missing deposits, incorrect amounts or unexplained timing differences can otherwise go unnoticed.

By the end of this step, teams should be able to connect the cash expected from each settlement to the cash actually received, with any remaining differences identified for investigation.

Step 6: Investigate and Resolve Exceptions

After matching transactions through settlement and bank deposit, reconciliation, sales audit, and accounting teams can focus on items that did not reconcile as expected. These exceptions may include missing transactions or deposits, duplicate activity, incorrect amounts, unexpected fees, timing differences or refunds and chargebacks that do not align across systems.

Not every exception represents an error or lost revenue. Some have legitimate explanations, such as settlement timing or transactions that cross accounting periods. The goal is to determine the cause of each exception, correct genuine discrepancies and document valid differences.

Why does this matter? Unresolved exceptions can obscure errors and potential cash leakage while creating additional work as accounting teams approach the close. The longer a discrepancy remains unresolved, the more difficult it may become to trace it back through the systems and records involved.

Step 7: Record and Certify the Reconciliation

Once transactions have been matched and exceptions resolved or documented, teams can finalize the reconciliation and ensure the results are accurately reflected in the general ledger. Any necessary adjustments or journal entries should be recorded with appropriate supporting documentation.

The completed reconciliation should preserve a clear record of what was matched, which exceptions were identified, how differences were resolved and who reviewed or approved the reconciliation.

Why does this matter? A reconciliation does more than confirm that amounts agree. Retail reconciliation, sales audit, and accounting teams need to demonstrate how they reached that conclusion and support adjustments made along the way. Maintaining this audit trail helps substantiate account balances during review, the close and future audits.

How Can Retail Accounting Teams Ensure eCommerce Reconciliations Are Accurate?

Accurate eCommerce reconciliation requires accounting teams to validate transactions throughout the payment lifecycle—not simply confirm that balances agree at the end. As transaction volumes, payment methods and sales channels grow, automation makes it possible to maintain that level of accuracy without manually reviewing every transaction.

Trintech helps retail teams automate transaction-level matching across sales, payment, settlement and bank data. Configurable matching rules and tolerances automatically reconcile expected activity while surfacing missing, duplicate or unexpected transactions for investigation. This allows them to focus on exceptions that could affect cash or financial accuracy while maintaining visibility into the transactions behind each settlement.

For Abercrombie & Fitch, that transaction-level visibility has become particularly important as the company has scaled to approximately 150 million transactions per year. Trintech helps the retailer identify which transactions have not settled and why, allowing the team to investigate discrepancies and mitigate potential losses.

Trintech also helps preserve the trail of information established throughout the reconciliation process. Matching results, exceptions, supporting documentation and resolution activity remain connected, providing visibility into not only whether an item reconciled, but how that conclusion was reached.

The result is an exception-based reconciliation process that helps teams maintain accuracy at scale and gain greater confidence that expected cash is accurately reflected in their financial records.

Written by: Lindsay Rose