Installment payments allow customers to pay for purchases over time in equal amounts, typically interest free. For businesses, offering installment plans can increase conversion rates and average order value while spreading cash inflows predictably.

In this article, we’ll cover what businesses need to know about installment payments: what they are, how they work, how they interact with other customer payment trends, and how to create a thoughtful strategy for implementing and using installment payments for your specific business needs.

What’s in this article?

• How do installment payments work?
  
• What is the difference between installment payments and buy now, pay later (BNPL)?
  
• When should businesses offer installment payments?
  
• Overview of popular installment payment services
  
• How to integrate installment payments into your business
  
• Pros and cons of installment payments
  
• Installment payment best practices for businesses
  
• How Stripe can help
  

How do installment payments work?

Installment payments divide the total cost of a product or service into more manageable, scheduled payments over time. This method is favorable for both businesses and customers in facilitating access to goods or services that might be financially out of reach if a single payment were the only option. Here’s how it works:

1. Customer selects installment option: The foundation of installment payments is the agreement between the buyer and seller on the payment structure. This includes the total purchase price, the schedule of payments, and any interest or fees. Throughout the installment process, maintaining the agreed-upon terms is imperative for both parties. Not adhering to the terms can lead to financial penalties or legal implications.

2. Customer often makes a down payment: As a commitment to the purchase, buyers often make an initial payment. This down payment reduces the overall balance to be paid in installments and can influence the buyer’s installment amounts and interest applied over time.

3. Customer makes scheduled payments over a set time frame: Following the down payment, the buyer adheres to a regular payment schedule. Each installment reduces the remaining balance. When interest is applied, it’s divided across the installments to make sure the full cost of borrowing is covered by the end of the term.

4. Seller is compensated through interest and additional fees: Interest compensates the seller for the delay of the full payment and reflects the time value of money. Additional fees may be applied for processing or as penalties for late payments, which incentivizes adherence to the payment schedule.

5. Buyer completes all installments: The cycle concludes when the buyer has made all the payments, fulfilling their financial obligation. The asset or service is then fully paid off, transferring full ownership or finalizing the service agreement.

What is the difference between installment payments and buy now, pay later (BNPL)?

Installment payments allow customers to pay for the total sum of a product or service through multiple payments. The payments are scheduled when the purchase is made and usually include an initial down payment. This method operates on the premise of deferred payment, letting customers acquire products or services immediately while distributing their payment across multiple future dates.

This financial flexibility is also at the heart of the buy now, pay later (BNPL) model, which is an extension of the installment concept, but it relies more heavily on the deferred payment aspect. BNPL typically involves no up-front costs and is designed for quick and easy integration into ecommerce platforms. Over time, customers fulfill their payment obligations in predetermined, often interest-free installments. This simplifies customers’ personal finance management and empowers them to make purchases without immediate financial strain.

BNPL is particularly appealing to customers who value instant gratification but are also budget-conscious. And for businesses, including BNPL as a payment method can expand their reach, in addition to increasing sales volumes and customer loyalty. BNPL usage in the US increased 50% between 2021 and 2024. The key is having a clear agreement up front and not charging hidden fees, which satisfies customers’ desires for transparency and control in their financial engagement.

Both installment payments and BNPL are financial mechanisms and strategies that can help businesses grow, tap into new market segments, and build customer loyalty through flexible financial solutions.

When should businesses offer installment payments?

Businesses should consider installment payments when they recognize a match between what they sell and their customers’ purchasing behavior. If their products or services carry a substantial price tag—one that customers may not comfortably pay all at once—installment payments can make these more accessible.

The decision to adopt installment agreements as a payment option can be influenced by several factors, including:

• Business model and pricing structure: For businesses with high-value items or services (such as electronics, furniture, or educational courses), installment payments can make these more approachable by reducing the immediate financial burden on the customer.

• Customer base: If a business’s target market includes younger demographics or those with less purchasing power, installment payments can match their financial habits, which often favor flexibility.

• Ecommerce and online presence: Because the digital checkout process can integrate installment, BNPL, or both—meeting the customer at their moment of decision—online businesses may especially benefit from this method.

• Market competitiveness: In industries where the market is saturated and competition is intense, offering installment payments can differentiate a business and provide a competitive edge that may influence a customer’s choice.

• Subscription services: For businesses operating on subscription models, particularly where up-front costs are significant, allowing installment payments for the initial sign-up fee can reduce barriers to entry and increase subscriptions.

• Luxury goods and services: Businesses selling premium products often find that installment payments can expand their customer base beyond those who can afford to pay in full, tapping into a broader market.

The ideal timing for implementing installment payments takes several factors into account:

• Product launch: When launching a new, high-value product, installment options can entice early adopters who are interested but might be hesitant about the cost.

• Market expansion: As a business looks to reach broader markets, especially those with varying economic backgrounds, installment payments can be a decisive factor for customers on the edge of a purchasing decision.

• Seasonal peaks: During times of traditionally high spending, such as holiday seasons, installment payments can encourage customers to make larger purchases without the immediate financial hit.

• Consumer demand: Pay attention to consumer trends. A surge in demand for BNPL services indicates that customers are looking for more flexibility in how they manage their spending. If your competitors offer BNPL, it may be time to consider doing the same.

• Sales plateaus or declines: If a business notices a stagnation or decline in sales, particularly of higher-priced items, installment payments can reinvigorate interest and increase affordability for potential buyers.

Providing installment payments at a time when customers are actively seeking out BNPL options can support both customer satisfaction and business growth. But if it’s not relevant to your particular business—say, if you sell $5 candles—then it’s probably not worth the operational effort involved.

Overview of popular installment payment services

The cohort of installment payment service providers is growing, and each has distinct features that cater to different aspects of the customer and business experience. Here are some of the leaders in this space:

Klarna

Klarna has a range of flexible payment options—some of which depend on location—including immediate payment, pay after delivery, and installment plans. Its model is designed to be as straightforward as possible, with a focus on a smooth user experience. For customers, Klarna’s market appeal lies in its user-friendly app and the ability to postpone the full payment without interest or fees, provided they meet the payment deadlines. Businesses benefit from Klarna’s appeal to a demographic that values transparent and manageable payment methods.

Afterpay/Clearpay

Afterpay—also known as Clearpay in the UK—offers the option to divide a transaction into four equal installments paid over six weeks, and it also has other longer-term financing options (depending on location). The service entices customers with its no-interest approach, provided payments are made on time. For retailers, Afterpay presents an opportunity to attract customers who might be hesitant to make larger purchases by offering a pay-over-time solution that integrates with their lifestyle and spending habits.

Affirm

Affirm differentiates itself by providing longer-term financing options, which can range from one month to three years. Its interest rates vary based on credit, financing option, and purchase amount, but they are made clear to the customer up front. This transparency, along with the option for longer payment periods, makes Affirm attractive to customers planning substantial purchases. From a business’s perspective, Affirm can help to close sales that have a higher average order value by providing customers with a flexible and predetermined payment schedule.

These services are reshaping how customers approach purchases, creating a bridge between desire and affordability. As businesses integrate these services, they provide value to their customers, secure more sales, and enhance the shopping experience. Each service’s features—from payment schedules to interest rates—should be matched with the business’s products and customer base to find the best fit.

How to integrate installment payments into your business

Building installment payments into your business operations can enhance your service and support customers’ financial preferences. Here’s how you can add them in a structured manner:

• Select a service provider: Choose a payment service provider that makes sense with your business size, customer base, and product range. Providers such as Stripe have comprehensive solutions that can fit various business models and include support for installment payments. It’s important to look for a provider with a straightforward application programming interface (API) and reliable support to ease the integration process. The provider should also create a simple experience for your customers, from checkout to the final installment payment.
  

• Implement technical integration: Work with your IT team or the service provider’s technical support to integrate the installment payment option into your existing payment gateway. The integration process involves setting up the installment payment method, updating the checkout interface to include this option, and making sure your accounting system can record installment payments.

• Train employees on the new system: Train your team to manage installment payment processes, including handling initial customer queries and managing late or missed payments. Having a well-informed team provides your customers with a resource for assistance, which in turn can lead to better experiences for them and increased trust in your business.

• Provide customer communication: Clearly communicate to your customers about the new payment option, outlining the benefits and any terms that apply. Transparency is important; your marketing and customer service communications should clearly describe how installment payments work, any interest or fees involved, and what types of payment schedules customers can expect.

• Maintain compliance and security: Confirm that your installment payment system is compliant with financial regulations and that customer data is securely handled. Adhering to financial regulations and maintaining high security standards for customer data is not just a legal obligation—it’s also an important way to build trust with customers. This aspect should be a top priority in the integration process.

By following these steps, businesses can integrate installment payments in a way that complements their operations, meets customer needs, and abides by regulatory standards.

Pros and cons of installment payments

For businesses considering installment payments, the blend of increased accessibility for customers and the potential for increased revenue must be weighed against the need for more sophisticated financial tracking and risk management. Careful implementation—perhaps starting with a pilot program or a third-party partnership—can provide insights on how installment payments might fit into your existing business model.

When thinking through your options, here are some possible upsides and risks to be aware of:

Installment payment best practices for businesses

Incorporating installment agreements into a business’s payment options requires thoughtful execution. Here’s a rundown of best practices to ensure these agreements are beneficial for both the customer and the business:

• Transparency in terms: All conditions of the installment plan should be plainly stated up front. Customers need to understand the payment schedule, any interest or fees, and what happens if a payment is late or missed.

• Intuitive processes: Complex procedures can dissuade use, so keeping the process straightforward is key.

• Customer service: Provide excellent support. Customers may have questions or run into issues with their payments, and quick, helpful responses can improve their experience.

• Flexible payment options: Flexibility can be a competitive edge. Offering installment plan options with different frequencies and interest rates caters to different customer needs.

• Robust infrastructure: The business should confirm that its systems can handle installment payments. This means integrating the right technology to manage and track payments over time and training staff to deal with installment-specific queries.

• Regulatory compliance: It’s imperative to comply with all financial regulations related to credit and financing. This includes fair advertising, clear terms and conditions, and following privacy laws.

• Financial health checks: Before implementing installment payments, a business should assess its financial health to make sure it can afford the delayed revenue stream.

By adhering to these best practices, businesses can create installment agreements that are beneficial for both parties, leading to increased sales and customer loyalty while maintaining operational integrity and financial health.

How Stripe can help

Stripe has a comprehensive solution for businesses to integrate BNPL services. Here’s how Stripe can assist businesses with this type of installment payment:

• Immediate payment to businesses
  With Stripe’s BNPL services, businesses receive full payment immediately, while customers have the flexibility to pay over time. This can be especially beneficial for retailers that sell high-value items that customers may not be able to pay for all at once, as well as those that offer less expensive products and want to sell larger volumes.

• Checkout integration
  The customer experience at checkout is straightforward: customers select the BNPL option, sign in to their account with the provider, agree to the repayment terms, and then return to the business’s website to complete the transaction​​.

• Flexible repayment options
  Stripe supports various BNPL providers such as Affirm, Afterpay/Clearpay, Klarna, and Zip. These services have multiple repayment structures, including interest-free installments and the possibility of longer-term financing—with options suitable for a range of purchase sizes​​.

By integrating BNPL options, Stripe helps businesses adapt to customers’ preferences, potentially boosting conversion rates and customer acquisition. Learn more about how Stripe supports BNPL.