If you receive a dispute or chargeback, you will need to locate the original transaction in your NMI payment gateway to gather supporting details such as transaction ID, date, amount, and customer information. This article walks through how to quickly find that information in NMI.
Step 1: Log in to Your NMI Dashboard
Log in to your NMI Merchant Portal using your primary or administrative user account.
Step 2: Navigate to Transactions
From the left-hand menu:
Click Reports > Transactions
Select Search Transactions
This page allows you to search all payments processed through your gateway.
Step 3: Search for the Transaction
You can locate the transaction using one or more of the following filters:
Order ID (recommended - this will be the SCD order number)
Transaction ID
Customer name
Last four digits of the card
Transaction amount
Date range
Tip: If you are responding to a dispute, the dispute notice usually includes the transaction amount and date. Using a narrow date range helps speed up results.
Click Search once your filters are set.
Step 4: Open the Transaction Details
From the search results:
Click on the transaction you want to review
The transaction details page will open
This page contains all key information needed for dispute evidence, including:
Transaction status
Authorization and transaction ID
Date and time
Amount
Payment method
Customer and billing details
AVS and CVV response codes
Step 5: Gather Information for Your Dispute
When submitting a dispute or chargeback, you may need to provide:
Transaction ID
Proof of successful authorization
Billing name and address
AVS and CVV match results
Order or invoice details
Refund history, if applicable
You can take screenshots or export details as required by your payment processor or acquiring bank.
Helpful Tips
Always verify the transaction status shows Approved or Captured
If a refund was issued, confirm whether it was full or partial
Save copies of all evidence submitted for your records
Respond to disputes promptly to avoid automatic losses