Third-Party Transactions Explained
Third-party transactions are credit card payments that appear on a merchant processing statement but are handled, settled, funded or billed through a separate payment provider, platform, gateway or card-brand relationship.
These transactions can make statements harder to reconcile because the sales, fees and deposits may not all appear in the same place.
What Are Third-Party Transactions?
A third-party transaction is a payment that involves another company in addition to the merchant’s primary credit card processor.
The outside company may authorize the transaction, provide the gateway, manage the customer checkout, settle the payment, fund the merchant or bill separate service fees.
In some cases, the primary processor merely reports the activity. In others, it may pass the transaction information or associated charges through to the merchant statement.
Plain-English Definition
A third-party transaction means: another payment company is involved somewhere between the customer’s payment and the merchant’s deposit.
That involvement can create a separate transaction record, separate deposit and separate fee.
Who May Be Considered a Third Party?
Card-Brand Relationships
American Express transactions may be funded or billed through a relationship different from Visa, Mastercard and Discover.
Payment Gateways
An online gateway may transmit transactions and impose separate monthly, per-item or security fees.
Software Platforms
A point-of-sale, ERP, shopping cart or industry platform may route payments through its own provider.
Digital Wallets
PayPal, mobile wallets and other checkout services may control part of the payment flow or reporting.
How a Third-Party Transaction Works
Customer Makes a Payment
The customer submits card information through the merchant’s website, POS, invoice or payment portal.
Outside Provider Receives It
A gateway, software platform, digital wallet or separate payment company receives or routes the transaction.
Transaction Is Processed
The payment may be authorized and settled through the merchant’s primary processor or through another provider.
Fees and Deposits Are Reported
The merchant may see separate fees, deposits, reports or statement sections for the transaction.
How Third-Party Transactions May Appear on a Statement
Direct Descriptions
- Third-Party Transactions
- Third-Party Sales
- Third-Party Processing
- External Transactions
- Partner Transactions
Funding Descriptions
- Funded Separately
- Deposited Separately
- Transactions Deducted Separately
- Pass-Through Transactions
- Net Settlement Adjustment
Provider-Specific Descriptions
- American Express Pass-Through
- PayPal Transactions
- Gateway Transactions
- Platform Processing
- Alternate Payment Transactions
Third-Party Transactions vs. Third-Party Fees
| Term | Meaning | What to Verify |
|---|---|---|
| Third-party transaction | A payment handled or reported through another provider | Who authorized, settled and funded it |
| Third-party fee | A charge collected for technology, processing or another outside service | Who receives the fee and whether markup is included |
| Pass-through transaction | A transaction reported by one provider but funded or billed through another | Whether deposits and fees reconcile correctly |
| Processor transaction | A transaction handled directly by the merchant’s primary processor | Whether the pricing matches the merchant agreement |
Why Third-Party Transactions Can Be Confusing
Separate Deposits
The transaction may appear on one report while the deposit arrives from a different company.
Separate Fees
The third party may deduct fees before funding or bill them on a separate invoice.
Different Reporting Dates
The sale date, settlement date and funding date may not match across reports.
Multiple Transaction Counts
The same activity may be counted by the gateway, processor and platform.
Bundled Pricing
Technology and processing fees may be combined, making the true cost difficult to isolate.
Incomplete Statements
The merchant may need multiple reports to see the entire transaction cost.
What Fees May Be Associated With Third-Party Transactions?
Transaction Fees
- Gateway transaction fees
- Authorization fees
- Platform transaction fees
- Digital-wallet fees
- Per-item processing charges
Monthly Fees
- Gateway access fees
- Software subscription fees
- Account maintenance fees
- Reporting fees
- Security or fraud-tool fees
Percentage-Based Fees
- Processing discount rates
- Platform revenue share
- Marketplace service fees
- Wallet acceptance fees
- Cross-border or currency fees
One Transaction May Generate Several Charges
A payment can generate a processor fee, gateway fee, platform fee, authorization fee and fraud-screening charge, even though it was only one customer transaction.
Common Third-Party Transaction Problems
Duplicate Transaction Fees
More than one provider may charge a per-transaction fee for the same payment.
Unclear Processor Markup
A processor may add markup to a third-party charge while presenting it as a direct pass-through cost.
Incorrect Transaction Counts
The billed quantity may include declines, retries, refunds or duplicate payment attempts.
Missing Deposits
Separate funding arrangements can make it harder to identify delayed or missing deposits.
Unnecessary Services
Merchants may continue paying for gateways, software modules or accounts they no longer use.
Contract Conflicts
The merchant’s processor, gateway and software agreements may contain overlapping pricing obligations.
How to Audit Third-Party Transactions
1. Identify Every Provider
List the processor, gateway, POS system, ERP, shopping cart, digital wallet and any other company involved in the payment process.
2. Match Transactions Across Reports
Compare transaction dates, amounts, batch totals and settlement identifiers.
3. Reconcile Deposits
Confirm that all approved and settled transactions were funded correctly.
4. Identify Every Fee
Review processor statements, gateway invoices, software invoices and bank deposits.
5. Compare Fees With Agreements
Verify that each rate and fee matches the signed contract.
6. Look for Duplicate Billing
Determine whether two providers are charging for the same service or transaction activity.
Questions to Ask About Third-Party Transactions
- Which company actually processes these transactions?
- Which company funds the deposits?
- Who receives each fee?
- Are fees deducted before funding?
- Are declined transactions charged?
- Are refunds and chargebacks charged separately?
- Does our processor add markup?
- Are any services duplicated?
- Where are the rates disclosed?
Do Not Review Only One Statement
Third-party activity may not be fully visible on the processor statement.
A proper review may require processor statements, gateway invoices, software invoices, settlement reports and bank deposit records.
Third-Party Transactions FAQ
What is a third-party transaction?
It is a payment involving another company in addition to the merchant’s primary processor.
Are third-party transactions legitimate?
They can be completely legitimate. The concern is whether the transaction, funding and related fees are reported and billed accurately.
Why are third-party transactions funded separately?
A separate provider may control settlement and deposit funds directly to the merchant.
Can third-party transactions create duplicate fees?
Yes. A gateway, processor and software platform may each charge a fee connected to the same payment.
Is American Express considered a third party?
It may be reported as a third party when the American Express relationship, settlement or funding is handled separately from the merchant’s primary processor.
Is a payment gateway a third party?
Yes. A gateway is a separate technology provider when it is not owned or billed directly as part of the primary processing relationship.
Can third-party fees be negotiated?
Some processor, gateway and software-provider fees may be negotiable, depending on the agreement and transaction volume.
How do I reconcile third-party transactions?
Compare transaction reports, settlement reports, processor statements, outside invoices and bank deposits.
Can third-party transactions affect my effective rate?
Yes. Fees billed or deducted outside the primary processor statement must be included when calculating the true effective processing rate.
How can weAudit help?
weAudit reviews the complete payment environment to identify transaction flows, reconcile fees and determine whether costs are accurate or duplicated.
Related Merchant Processing Pages
About weAudit
Educational content provided by weAudit.com, America’s #1 Credit Card Processing Audit Firm. Since 2009, we have helped businesses uncover hidden fees, verify pricing accuracy, negotiate fair processing agreements and protect their profits through independent merchant processing audits. Unlike credit card processors and sales organizations, we work exclusively for merchants. Protecting Merchants’ Profits Since 2009.
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