Connect NMI to Accelevents
Integrating a credit card processor into your event allows guests to pay for tickets, donations, and bids from their mobile device or computer. This leads to increased ease for your guest, higher proceeds, and more efficient checkout.
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To add NMI as your credit card processor, you can quickly and easily set it up in the Admin Console. Funds will then go directly to your NMI account and be transferred to a bank account of your choice within 48 hours.
Important Notes:
The credit card fee for NMI is 3.40% + 0.30 USD
Partial refunds cannot be done the same day the payment is processed. NMI will need to settle the transaction after 24 hours and once settled, you may process a partial refund.
Orders with multiple tickets paid through credit card cannot be deleted.
Bank transfer is not supported.
This will work with Pay Later and Approval Tickets
Disable the the Duplicate Transaction Setting in NMI
This step must be done before connecting the payment processor as you will get an error. This step is necessary because with this enabled, the system considers transactions as duplicates based on the email address. If a user attempts multiple purchases using the same email within the configured duplicate time window, the transaction is flagged as a duplicate and fails.
Log in to your NMI account
Go to List Account
Sign in or open the merchant account
Go to Processing Services > Credit Card
Click Edit on the CC Processor
Go to Duplicate Velocity Controls
Disable the checkbox for Enable Duplicate Checking
Change the Duplicate Time Limit (in seconds) to 0
Submit
Do the same for the other active CC Processors
Get Your Security Key in NMI
Log in to your NMI account
Go to List Account
Sign in or open the merchant account
Click My Settings
Select Security Keys
Connect NMI Through The Admin Console
Go to Settings > Payment Processing from your admin console
Click Other Gateways
Select NMI
Enter your Security Key from NMI
Click Save
Once connected, it will change the button to "Disconnect"
You will also see 2 fields for Event Billing ID and Metadata
That's it! At this point you can now receive credit card payment and this will be processed through NMI.
Event Billing ID and Metadata fields
The Event Billing ID and Metadata fields as seen above will appear after connecting the payment processor. If you have billing codes within your organization, you can add them to that field, and they will appear in the transaction within your payment processor.
These will also appear as columns in the All Transactions Report that you can download from the Enterprise / White Label Dashboard.









