Real-Time Payments: What They Are, How They Work, and Why They Matter for Businesses

Sending and receiving large volumes of money can be a challenge for businesses that work around tight schedules. Many traditional transfer methods, including ACH and wire, can take several business days to settle. Companies that routinely send payments to vendors and business partners often run into obstacles caused by delayed payments and high fees. To circumvent this, many organizations have started utilizing real-time payment networks.

Real-time payments are a transfer method that enables near-instant money movement between bank accounts. These payments work 24/7, giving businesses extra flexibility that standard banking norms don’t allow. With real-time payments, companies can see improvements in both their working capital management and their relationships with their vendors.

This article defines real-time payments, explains both major U.S. networks, explores their benefits, and covers what's needed to implement them. We’ll also review Slash, a business banking platform that offers several types of quick, low-cost financial transfers.¹ Slash supports real-time payment systems, global ACH, international wire transfers, and even cryptocurrency, allowing businesses to send money the ways that suit them best.⁴

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What Are Real-Time Payments?

Real-time payments are transfers that move from one bank account to another and settle within seconds. The systems that support these payments operate 24/7 (including holidays) and charge low fees. With real-time payments, funds are made immediately available to the recipient instead of being stuck in a pending state. Transfers sent via real-time payment are final and irrevocable, meaning they cannot be reversed by the sender once initiated.

It’s important to note that, in most cases, real-time payments are only possible domestically. Different countries have developed their own RTP networks, and without the help of third parties or specific agreements between nations, these networks don’t communicate with one another.

While traditional payment methods enable access to cross-border payments, they can come with drawbacks when working domestically. ACH transfers process in batches, typically taking 1-3 business days to complete and operating only during banking hours. ACH fees are fairly low, ranging from $0.20 to $1.50 per transaction. Domestic wire transfers can be completed in under 24 hours but cost significantly more, with fees up to $30 for senders and $15 for recipients.

Real-time payments eliminate the waiting inherent in these traditional methods. When a business sends a real-time payment at 2 AM on Sunday, the recipient doesn’t need to wait for Monday morning or deal with batch processing delays. They get access to their funds in seconds. Senders incur a $0.045 fee per credit transfer, which means real-time payments are also a cheaper alternative to both ACH and wire transfers.

How Real-Time Payments Work

The payment lifecycle follows five stages: initiation, validation, clearing, settlement, and confirmation.

Payment initiation begins when the sender authorizes a transfer through their digital banking platform, providing the recipient’s account details and payment amount. This initiation can happen through the sending institution's online banking portal, mobile app, or even in-person at their bank.
Validation follows immediately as the sending bank confirms transaction details and the payer’s identity, often through measures like biometric data or two-factor authentication. Real-time payments require immediate fund verification before proceeding, meaning transfers from accounts with insufficient funds can’t go through only to be bounced hours later.
Clearing happens through the payment network that connects the sending and receiving banks. Rather than batching transactions for later processing, RTP networks handle each transaction individually, routing funds and data between institutions in real time.
Settlement completes within seconds as funds move from the sender's account to the recipient's account. This is why real-time payments are irrevocable; since funds are instantly available for the recipient to use, the sender no longer has the ability to request a reversal or cancellation.
Confirmation provides immediate notification to both sender and recipient that the transaction is final. These can come in the form of email, SMS, banking app message, or all three.

It’s important for financial institutions to be on the same page throughout this process. Naturally, both parties should be in agreement about payment amounts and timing, but they also need to ensure that they’re both participating in the same real-time payment network.

Real-Time Payment Networks in the United States

Two networks currently operate real-time payments in the United States: the aptly-named RTP network operated by The Clearing House, and the FedNow Service operated by the Federal Reserve.

Launched in 2017, the RTP network was the first real-time payment network in the United States. As of 2025, more than 675 financial institutions participate in the RTP network. Its transaction limits recently increased from $1 million to $10 million, opening capabilities for larger corporate and brokerage transfers. The network is based on the ISO 20022 payment message standard, which is a sort of common “language” that aligns financial transactions in 70+ countries.

FedNow launched in July 2023 as a public-sector initiative by the Federal Reserve to provide nationwide instant payment infrastructure. FedNow has quickly become more widely utilized than the RTP network, with participation growing past 1,200 financial institutions. Just like the RTP network, FedNow’s transaction limits also recently grew to $10 million after being at a mere $500,000 in early 2025. With backing from the Federal Reserve, settlement occurs through participants' Fed Master Accounts, providing a public-sector foundation for real-time payments.

Both of these networks are rather similar. RTP and FedNow both send instant payments 24/7, operate based on ISO 20022, carry the same transaction limits, and work domestically rather than overseas. They also charge the same per-transaction fee, though FedNow adds a $1.00 liquidity management transfer fee. The biggest difference is the fact that The Clearing House runs the RTP network as a private company, while FedNow is managed by the U.S. government.

As of 2026, the majority of U.S. banks support both FedNow and RTP, so your network of choice may come down to either personal preference or your vendor’s request.

Global Real-Time Payment Systems

Many other countries have formed their own real-time payment systems. One of the oldest is the United Kingdom's Faster Payments Service (FPS), which was created in 2008. India’s United Payment Interface (UPI) is the world’s largest real-time system, processing over 20 billion transactions each month.

Some nations have worked together to connect their real-time payment systems, such as Singapore’s PayNow and Thailand’s PromptPay. In 2021, these two countries announced that their systems could communicate with each other, requiring nothing more than a phone number to send funds instantaneously.

Today, over 80 countries support various real-time payment systems. Cross-border capabilities are in development, but as of now, RTP and Fednow cannot send money overseas. However, businesses that use Slash gain access to these two systems on the same platform that supports global ACH, international wire, and stablecoins. Slash enables companies to use the payment methods of their choice without having to juggle multiple separate apps or bank accounts.

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Business Benefits of Real-Time Payments

Between speed, price, and flexibility, near-instant payments can offer significant advantages for companies that routinely make financial transfers. Some of these benefits include:

Cash flow optimization

Traditional methods like ACH and wire transfers can leave businesses waiting days for payments to be confirmed and settled. Real-time payments provide immediate certainty, allowing companies to know exactly when and where money moves. This precision lets finance teams manage working capital more effectively, ensuring on-time payments without having to prepare funds multiple days in advance.

Vendor relationship improvements

When suppliers receive their payments exactly when promised, including at night and over weekends, business moves more quickly and trust strengthens. Transaction delays, especially with large amounts, can create anxiety for vendors who expect their money sooner. You may also unlock early payment discounts when you get a several-day head start on transfers.

Operational efficiency

Real-time payments often result in fewer manual follow-ups and less time spent monitoring pending transactions. Traditional payment methods create awkward periods where finance teams must track what's been sent, what's been received, and what’s still “in limbo”. Real-time payments eliminate this ambiguity, since there’s no pending period in between funds sent and received.

24/7 access

With weekend and holiday availability, business operations don't have to pause just because most banking systems have closed. A supplier invoice received on Saturday can be paid on Saturday, and emergency payments can be made on Christmas Day if necessary. Finance teams can finally close that banking calendar tab on their desktops.

Better ROI

Calculating the ROI of real-time payments involves comparing the cost of near-instant money transfers to the costs of delayed cash flow. For example, missing a 2% early payment discount on a $10,000 invoice costs $200, which is far more than any fee. In addition, late payments can make suppliers unhappy, leading to staff wasting time tracking transfers and providing updates. These issues may come with their own price tag, as work becomes less efficient and vendors offer less favorable terms.

Typically, other bank transfer methods are more expensive than real-time transfers, especially in the case of domestic wires. Switching from wire transfers to real-time payments will often result in immediate cost savings.

Real-Time Payment Use Cases for Businesses

There are countless practical applications for real-time payments, often improving cash flow across almost any industry that involves frequent transfers of money.

B2B supplier payments are one of the most common use cases. Rather than vendors waiting days for ACH or paying wire fees for urgency, real-time payments provide near-instant settlement at a low cost. Manufacturing businesses paying suppliers, construction companies settling contractor invoices, and e-commerce platforms compensating partners can all benefit.
Employee payroll and contractor payments can be improved with real-time settlement, especially for gig work or irregular schedules. With real-time payments, it’s possible to pay a contractor immediately upon project completion or deliver same-day payroll if requested. This can be important in industries with variable staffing or project-based work.
Emergency disbursements including insurance claims, urgent refunds, or time-sensitive obligations benefit from real-time transfers. An insurance company can settle a claim instantly, and a retailer can refund a customer's account immediately after a return.
Just-in-time inventory, which is a specific type of management system that orders raw-material goods only as needed for production or sales, can benefit strongly from a real-time network. With same-day payments, inventory purchases can be made, settled, and sent all in quick succession.
Professional services payments for retainer fees, milestone billing, or final invoices move immediately, keeping the cash flow between client and service provider as up to date as possible.

Implementation Considerations

Before deciding whether to begin utilizing real-time payments, determine whether your bank allows near-instant money transfers through FedNow, RTP, or both. Many popular banks support both, but some local banks offer one or the other (or neither). Check with your bank about their participation status and whether they plan to join.

It can be helpful for real-time payment data to sync with your existing accounting and ERP systems for quicker recording and reconciliation. The Slash platform supports this integration natively, allowing users to transfer funds using both FedNow and RTP right from the payments page on the dashboard. Slash also connects with accounting solutions like QuickBooks Online, Xero, and Sage Intacct, meaning all payment information can be synced and displayed together.

Given the irrevocable nature of real-time payments, staff training and change management become particularly important. Traditional payment methods offer some ability to reverse or stop payments if errors are discovered, while immediate bank transfers don’t. Once they’re sent, they're final. This should entail more careful verification before initiating payments, as well as the creation of clear processes for handling errors.

Security and Risk Management

Since payments are near-instant and irreversible, fraudulent transfers can be tough to battle. Some tools and policies that can help are dual authorization for larger payments, velocity limits to prevent rapid sequential transactions, and real-time fraud monitoring. For example, the Slash platform sends administrators an alert when a transaction is flagged as suspicious, and accounts can be frozen with a single click.

Fortunately, banks and payment providers themselves are helping improve security on their end. Recently, some providers have deployed real-time sanctions screening, machine learning fraud models, and shared data services that autonomously confirm transactions before funds are sent.

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Real-Time Payments vs. Traditional Payment Methods

Let’s take a look at how the two U.S. real-time payment systems compare with ACH and wire transfers:

	ACH	Wire	RTP	FedNow
Speed	1-3 business days	Within 24 hours	In seconds	In seconds
Availability	Only processed during banking hours	Only processed during banking hours	24/7, 365 days a year	24/7, 365 days a year
Reversability	Can be returned or canceled by bank before settlement	Can be returned or canceled by bank before settlement	No	No
Transfer limit	Depends on bank, typically $25k a day or less	Depends on bank, but some avenues allow transfers of $1M+	$10 million+	$10 million+

Real-time payments offer plenty of advantages over traditional transfer methods, but they’re not necessarily preferable in every situation. For example, ACH works well for routine payments where companies want to be open to last minute reversals and don’t mind a small wait. A domestic wire transfer can make sense when sending a large sum to a business that hasn’t yet embraced real-time payment processing. Ultimately, in most scenarios, the fastest and cheapest way to send money is through real-time payments.

How Slash Can Streamline Payments for Your Business

Real-time payments are less than a decade old in the U.S., but they’ve already changed the landscape of business transactions. The combination of near-instant settlement and 24/7 availability creates opportunities for improved cash flow management, stronger vendor relationships, and operational efficiency.

The Slash business banking platform brings an extra level of visibility to RTP and FedNow payments. All transfers are automatically uploaded to Slash’s financial dashboard, where virtual accounts, crypto balances, employee cards, and more are visible in one spot. When someone pays your company via RTP, it’s immediately reflected on the Slash platform. The journey from “click send” to logged payment can be mere seconds.

Slash also supports safety guardrails for near-instant payments, including role-based permissions that control who can initiate transfers, as well as OFAC screenings that check transactions against international sanctions.

Business that work with large transactions and account balances may also take advantage of the following features:

High-yield treasury: With treasury accounts backed by BlackRock and Morgan Stanley money market funds, companies can earn up to 3.82% Yield on their idle cash.
Native stablecoin support: Hold, send, and receive USD-pegged stablecoins USDC and USDT across nine supported blockchains for faster, lower-cost global payments.
The Slash Visa® Platinum Card: Our card allows users to earn up to 2% cash back on business expenses, issue unlimited virtual cards, and set granular controls to restrict spending by category, merchant, or limit. All transactions are intelligently categorized and uploaded to the Slash dashboard.

If your company has struggled with payment delays and high transaction fees, real-time payments could be the solution you’re looking for. Slash supports just about every payment method you can think of, which means you’ll always find an answer to your payment method problem on our platform.