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Transactiongateway.com is a payment gateway domain used by an NMI-powered processing platform that merchants and resellers use to accept credit card and ACH payments. Through the gateway's virtual terminal, hosted payment pages and APIs, businesses can process online, mobile, recurring and card-present transactions, store customer payment data securely in a vault, and manage reporting. Payment gateways like this are often white-labeled by independent sales organisations and payment providers to serve small and medium-sized merchants.
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Recent User Report Trends for NMI
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What is NMI's current status?
All systems are operational
No active incidents reported.
Incident history: past 7 days
times in UTCToday
Yesterday
Oct 30, 2026
Oct 29, 2026
Oct 28, 2026
Oct 27, 2026
Oct 26, 2026
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Trust & Safety Checks
Public registration, DNS and certificate records UptimeCard checked independently for the domain transactiongateway.com.
Domain name active since 2009
transactiongateway.com has been a registered domain since October 2009 — 17 years at the same web address.
Domain lock enabled
The registry blocks unauthorised transfers, so the domain cannot be hijacked.
DNS managed by NS1
6 nameservers answer for this domain, so it stays reachable even if one goes offline.
Records last verified September 2026.
How to fix NMI not working
This gateway is a payment processing platform that merchants and resellers use to accept card and bank payments through a virtual terminal, hosted payment pages and APIs. It also stores customer payment details in a secure vault, and it manages recurring billing and reports. Find your symptom below. Never send full card numbers, security codes or API keys in a support message. Do not charge a customer again until you have checked the first attempt.
Jump to what you are seeing
- Transaction Failed
- Login Failed
- Website Down
- API Error
- Virtual Terminal Error
- Dashboard Error
- Recurring Billing Issue
- Partner Portal Down
Transaction Failed
A payment is declined, or it does not complete.
- Read the decline or error message on the transaction. It usually gives the reason.
- Check the payment method and billing details, and that the card type is accepted.
- Check the transaction's status in your reports. Do not charge the customer again until you know the outcome of the first attempt.
Login Failed
Sign-in is refused.
- If the message says the password is wrong, reset it through the official route and check spam.
- Check you are using the account your company set up.
- Try a private window to rule out an old session.
Website Down
The gateway website does not load for you.
- Open the page in a private window and on another network.
- Check status.transactiongateway.com for an active incident.
- If only your network is affected, ask IT to check the firewall.
API Error
Calls to the gateway API fail or return an error.
- Check the status code. An access error usually means the key is wrong, too many calls means you should slow down, and a server error means a service-side problem.
- Confirm the key has not been revoked and is for the right account, test or live.
- Retry with a growing delay, and check status.transactiongateway.com if several calls fail together.
Virtual Terminal Error
The virtual terminal, used to take payments by hand, shows an error or does not submit.
- Reload in a private window, and check you are still signed in.
- Check the amount and fields are complete and in the right format.
- Check status.transactiongateway.com, and check the payment did not already go through before you try again.
Dashboard Error
The reporting dashboard shows an error, or it does not update.
- Reload in a private window, and check the date range and filters.
- Allow time for the latest transactions to appear in the reports.
- Note the error text and the time, and send them to your administrator.
Recurring Billing Issue
A recurring payment does not run, runs twice, or shows the wrong amount.
- Check the schedule, the amount, and that the customer's stored payment details are current.
- Check the billing history for runs already made before you change anything.
- Contact your processing partner with the subscription reference and the time. Do not charge the customer by hand until the cause is clear.
Partner Portal Down
The partner portal does not load, so you cannot manage merchants.
- Try a private window and another network.
- Check status.transactiongateway.com.
- If it stays down, contact your partner support route with the time.
Still not working?
If it still does not work, contact the payment provider or partner that set up your account first, since they manage the processing set-up and your merchant account. For a platform-wide problem, use the support route in the platform or on the gateway website. Have your merchant name, the transaction or subscription reference, the exact error text, and the time with your time zone. Never send card numbers, security codes or API keys in a support message. Live incident updates are on status.transactiongateway.com.
Most payment problems come from a declined card, a billing detail or a key, and they usually clear once that is checked. The status page shows live incidents, so you can see whether the problem is on the gateway's side.
Frequently asked questions about NMI
Is NMI down right now?
No. Based on the latest status data on this page, NMI (transactiongateway.com) is up and running normally. The most recent incident, "Intermittent errors in Electronic Check Processing", was resolved (last update Oct 24, 2026).
What should I do if NMI is not working for me?
First rule out your side: reload the page, try another browser or device, clear the cache and cookies for transactiongateway.com, flush your DNS cache and turn off any VPN or proxy. Then compare with this page: if the status shows an incident, or many users reported problems in the last 48 hours, the issue is on the service's end and usually clears up without any action from you. The troubleshooting steps on this page go through each check in order.
What was the most recent NMI incident?
The most recent incident on record is "Intermittent errors in Electronic Check Processing", last updated on Oct 24, 2026. It has been resolved.
How many people reported problems with NMI recently?
No user reports about NMI were submitted in the last 48 hours.
How do I report a problem with NMI?
Use the report buttons at the top of this page, or describe the problem in the user reports section. Every report is counted in the 48-hour trend chart and helps other people see whether the problem is widespread.
Where is the official NMI status page?
The official status page for NMI is status.transactiongateway.com.
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