Klarna vs Affirm Payments: Which BNPL Provider Is Better in 2026?

The global Buy Now, Pay Later (BNPL) market reached approximately $560 billion in gross merchandise volume in 2025, growing at a projected 20.7% CAGR. So it's no wonder why BNPL payment providers like Klarna and Affirm command significant attention in the industry.

Klarna and Affirm Payments are transforming the eCommerce landscape with a suite of features designed to meet the diverse needs of their customers. But the affirm vs klarna debate is more nuanced than it might first appear. Both platforms offer BNPL installments, but they differ significantly in fees, merchant reach, interest rates, and target markets.

That's the question we want to help you answer in today’s guide. We'll explore the strengths, benefits, and challenges of Klarna and Affirm, offering a clear comparison to help you decide which platform best fits your payment needs. Whether you're choosing klarna or affirm as a merchant, or affirm or klarna as a shopper, this guide covers everything you need to know.

Resumen de las funciones y características de Klarna

Klarna is a leading Buy Now, Pay Later payment provider enabling consumers to purchase items from eCommerce and physical stores without paying the full amount upfront. Founded in Stockholm, Sweden, in 2005,  Klarna's growth spurt began with the streamlining of invoice payments for eCommerce customers. The reduced payment friction meant more sales and high conversions for the business.

But Klarna's rapid expansion came after the team introduced the BNPL model in the early 2000s, onboarding over 850,000 global merchant partners and ~114 million customers across 26 countries, with ~34 million based in the U.S. Klarna went public on the New York Stock Exchange in September 2025, the largest fintech IPO of the year, raising $1.37 billion and reaching a market valuation of over $17 billion on its first day of trading.

In March 2025, Klarna secured an exclusive partnership with Walmart through OnePay, a significant move that previously belonged to Affirm. Klarna reported $2.8 billion in revenue in 2024, with $105 billion in gross merchandise volume processed.

Klarna's BNPL model has proven especially beneficial to online retailers, reducing cart abandonment rates, which had plagued the industry due to complicated checkout processes. Klarna’s higher-converting checkout experience allows shoppers to pay for purchases in four interest-free installments every two weeks or settle the entire amount within 30 days. Klarna is said to process two million transactions daily, with big-name users including Nike, Adidas, H&M, and now Walmart.

How Does Klarna Work? Key Features

Klarna gives users a convenient payment process, whether they're purchasing from an eCommerce website, a mobile app, or a physical store. Understanding how Klarna works is straightforward: shoppers choose Klarna at checkout and select a repayment plan.

Klarna empowers users to avoid predatory debts by enabling them to track orders, payment programs, payment history, and access customer support all within the Klarna app. Notable Klarna features include the following:

• Paga en 4: Los consumidores pueden dividir sus compras en cuatro plazos sin intereses; el primer pago se abona al finalizar la compra y los tres siguientes se cobran cada dos semanas.
• Paga en 30 días: los clientes pueden comprar ahora y pagar sus compras en un plazo de 30 días si están satisfechos con su compra.
• Préstamos a largo plazo: Klarna ofrece opciones para financiar compras de mayor cuantía a largo plazo —por lo general, entre 6 y 36 meses, con tipos de interés competitivos a partir del 7,99 %— a través de su socio, WebBank.
• Klarna Card: Consumers can use a Klarna virtual card for installment payment and financing even if the store they're transacting with has yet to integrate the service. As of 2025, Klarna also launched a U.S. debit card pilot with FDIC-insured funds.
• KlarnaUSD Stablecoin: Launched in November 2025, Klarna released its own stablecoin on Stripe's blockchain to reduce costs on international payments.
• AI Shopping Assistant: Klarna has deployed an OpenAI-powered shopping assistant to help users manage spending and discover products.

For banks, fintechs, and merchants, Klarna's open banking makes finance "more accessible, fair, and simple for everyone." Klarna achieves this by enabling companies to leverage its connectivity to develop new products that benefit end users. Klarna says 15,000 partners are currently using its open banking API service. Half of the top 100 U.S. online retailers used Klarna's payment tools over the past year, and two-thirds ran advertising campaigns on its platform.

Su integración rápida y sencilla permite a los comerciantes mejorar sus tiendas añadiendo la opción de pagar más tarde. Puedes elegir el método de pago que mejor se adapte a tus clientes, diseñar una solución personalizada o integrarlo a través de proveedores de servicios de pago en plataformas como Shopify, WooCommerce o Magento.

Klarna Fees: What Do Merchants Pay?

Klarna's business model is to charge merchants a flat fee per transaction and a percentage of sales, around 5% in the U.S. This is slightly higher than traditional card processors like Stripe or Shopify Payments charge. Understanding Klarna fees is important for merchants evaluating their margins. Klarna says its fees can also vary based on the country and which Klarna service the consumer chooses to use:

• Klarna Pay Later: Klarna's Pay Later option, which allows customers to settle their purchase within 14-30 days,  generally attracts transaction processing fees between 3.29% + $0.30 and 5.99% + $0.30 per transaction.
• Klarna Pay Now: Klarna's Pay Now option, offered through SOFORT, a notable bank transfer system available in Austria, Belgium, Germany, the Netherlands, and Spain, carries a transaction fee of ~2.99% + 40.30 per transaction.
• Financiación de Klarna: La opción de financiación a plazos de Klarna incluye comisiones por transacción que oscilan entre el 3,29 % + 0,30 $ y el 5,99 % + 0,30 $.
• Comisiones para comerciantes de Klarna: Aunque no hay comisiones de alta, las comisiones para comerciantes de Klarna varían cada mes en función del contrato del comerciante y del volumen de ventas.
• Chargeback Fees: Klarna charges a ~$15 chargeback fee for every transaction dispute filed against you.

Buyers can also use the Klarna app at other retailers for a $2.12 service fee. There may be other costs, like currency conversion fees for international payments and integration fees. These costs vary based on the platform involved.

Las ventajas de Klarna

Klarna se ha consolidado como uno de los principales proveedores de pagos «compra ahora, paga después» (BNPL) en Estados Unidos y a nivel mundial. Entre las ventajas más destacadas de Klarna se incluyen:

• Global availability with ~850,000 global merchant partners and ~114 million customers across 26 countries.
• Los procesos de pago acelerados reducen la duración de las transacciones y las tasas de abandono del carrito, un problema recurrente en el comercio electrónico.
• Multiple repayment options are available; shoppers can choose from Pay in 4, Pay in 30, or longer-term financing plans.
• Las tasas de interés cero en los planes «Paga en 4» o «Paga en 30» fomentan la fidelidad de los clientes, ya que los clientes satisfechos que pueden fraccionar el pago de sus compras son más propensos a volver.
• Klarna protege a los comerciantes de las consecuencias económicas que supone el impago de los clientes al asumir los riesgos asociados a su financiación.
• Klarna es fácil de configurar y muy intuitivo, y se integra con las principales plataformas de comercio electrónico para aceptar pagos rápidamente.
• Las medidas avanzadas de prevención del fraude de Klarna reducen las pérdidas económicas.
• Las consultas de solvencia sin compromiso, con altas probabilidades de aprobación, generan ingresos para las empresas.
• Klarna went public in September 2025, adding institutional transparency and credibility for merchants evaluating long-term platform risk.

Las desventajas de Klarna

Todas las plataformas tienen inconvenientes que conviene tener en cuenta para tomar una decisión informada. En el caso de Klarna, los inconvenientes señalados son los siguientes:

• Klarna cobra a las empresas una comisión por transacción, que equivale a un porcentaje del importe total de la misma.
• Consumers who miss repayment deadlines incur a $7 fee after 10 days. However, Klarna ensures the total late fees for an order will not exceed 25% of the total purchase amount. Affirm has called attention to these as "junk fees",  a point worth noting when comparing klarna vs affirm.
• Defaulting on repayment may result in a shopper being handed over to a collection agency and reported to the credit bureau, negatively affecting a person's credit score.
• Los analistas han señalado que, dado que los servicios «compra ahora, paga después» utilizan algoritmos internos en lugar de las tradicionales comprobaciones de solvencia crediticia, el sistema puede ser vulnerable al fraude.

Resumen y características principales de Affirm

Affirm is another household name in the buy now, pay later financing vertical. PayPal co-founder, Max Levchin, founded the payment network in 2012. The company went public on Nasdaq in January 2021 and has a market capitalization exceeding $28 billion as of early 2026, nearly double Klarna's IPO valuation.

Affirm delivered 46% revenue growth in 2024, reaching $2.32 billion, the fastest growth of any major BNPL provider that year, and crossed into profitability with a net profit of $52 million in fiscal year 2025.

Affirm quiere ser una alternativa responsable a las tarjetas de crédito. Los préstamos de Affirm incluyen un plan de pagos fijo, y los compradores conocen sus opciones antes de finalizar cada transacción. De este modo, nunca pagan más de la cantidad acordada. Los usuarios pueden realizar transacciones en línea o mediante la aplicación de Affirm en los comercios participantes, que pueden generar números de tarjeta virtuales para compras en cualquier tienda que acepte Visa. Además, los clientes de Affirm pueden elegir planes de pago de hasta 48 meses, lo que resulta más flexible que las opciones tradicionales de «Paga en 4» que utilizan competidores como Klarna.

Cuando creas una cuenta en Affirm, evalúan tu perfil y te asignan un límite de gasto personalizado. Aunque el límite de gasto varía según cada persona, el límite de gasto de un usuario en Affirm no puede superar los 17 500 $.

Affirm now has approximately 23 million active users and 377,000 merchant partners, with deep integrations at Amazon, Shopify, and, until March 2025, Walmart.

Características principales de Affirm

Affirm is for purchase financing with partner merchants. Unlike some platforms that provide short-term loans alongside bill payment or money transfer services, Affirm focuses solely on shopping financing. Notable Affirm features include the following:

• Sin comisiones: Los clientes no pagan comisiones por demora en el pago, por pago anticipado, cuotas anuales ni gastos de apertura o cierre de cuenta.
• Pay in 4: Affirm's "Pay in 4" option lets you pay in four equal installments over six weeks, with zero interest or fees for purchases between $50 and $1,000.
• Tarjeta Affirm: Los compradores pueden utilizar las tarjetas de débito Affirm para realizar pagos completos, al igual que con las tarjetas de pago tradicionales, o para contratar planes flexibles a través de la aplicación.
• Financiación mensual: Affirm permite a los compradores financiar compras de hasta 17 500 dólares, con plazos de amortización que van de 3 a 48 meses y una tasa de interés anual (TAE) de alrededor del 30 %. Esto depende del riesgo que representes y del comercio en cuestión.

Affirm typically allows merchants to determine credit limits for their shoppers, with a maximum threshold of $17,500. They’ve partnered with thousands of retailers across categories like apparel, travel, electronics, home, and fitness. You can shop using Affirm online or with the mobile app, and for in-store purchases, you can use the virtual card.

How Much Does Affirm Charge Merchants?

Affirm does not charge any fees to shoppers. So how much does Affirm charge merchants? The BNPL provider charges a percentage of each transaction. Here's the breakdown:

• Affirm Loan Interest Rates: Affirm's APR ranges from 0% to 36%, depending on a user’s credibility. A user can pay more for Affirm compared to credit cards with an average APR of 19.07%, according to Federal Reserve data.
• Comisiones por procesamiento de transacciones de Affirm: La comisión por procesamiento de transacciones de Affirm para los comerciantes es de aproximadamente un 6 % + 0,30 $ por compra. Esta puede variar en función del riesgo percibido, el tamaño de la empresa y el programa seleccionado.

Affirm ofrece planes personalizados con soluciones a medida para grandes empresas con una estructura de tarifas diferente. Otras comisiones incluyen las comisiones de intercambio y las comisiones de gestión de préstamos que se cobran a los inversores externos.

Ventajas de Affirm

Affirm ofrece tipos de interés a partir del 0 % para plazos de hasta 48 meses. Integrarlo en tu tienda resulta especialmente ventajoso para los vendedores de artículos de alto precio, por encima de los 500 dólares, y para aquellos que se dirigen a los compradores de la Generación Z, cuyo gasto no supera los 100 dólares. Entre las ventajas más destacadas de Affirm se incluyen:

• Empezar es muy fácil; el proceso de registro requiere muy pocos pasos y datos.  
• Affirm realiza una evaluación de crédito no invasiva a los compradores para determinar su solvencia sin afectar a su puntuación crediticia.
• Buyers can split costs into four interest-free biweekly payments, with the first installment due at purchase, or choose extended repayment over three or more months –meaning high conversion for merchants.
• Affirm's “Pay in 4” service attracts no interest, making it appealing to Gen Z and Millennial shoppers. This could translate into repeat purchases for you.
• Shoppers do not pay any fees for late repayments, prepayment, account opening, or closure. This is a key differentiator in the affirm vs klarna fee debate.
• Affirm achieved net profitability in fiscal year 2025,  a major milestone that adds long-term stability and confidence for merchant partners.
• The platform has positive ratings and integrates with major stores, including Amazon and Shopify.

Desventajas de Affirm

Los proveedores de servicios «compra ahora, paga después» (BNPL), como Affirm, han sido objeto de críticas por diversos motivos. Las principales desventajas de Affirm son las siguientes:

• Affirm ofrece opciones sin intereses, pero algunos planes a más largo plazo son más caros que la financiación con tarjeta, con tipos de interés de hasta el 36 %.
• Aunque Affirm no cobra recargos por demora, si el impago se prolonga durante más de 120 días, tu préstamo podría pasar a manos de una agencia de cobros, lo que podría afectar negativamente a tu puntuación crediticia.
• Affirm cobra a las empresas una comisión por transacción, que equivale a un porcentaje del importe total de la misma.
• El reembolso de un pedido realizado a través de Affirm es equivalente al reembolso de una tarjeta de crédito, pero Affirm retiene las comisiones de cada transacción.
• Affirm lost its exclusive Walmart BNPL partnership to Klarna in March 2025, which was a notable blow to its U.S. retail footprint.

Klarna frente a Affirm: las diferencias clave

The BNPL services that Klarna and Affirm provide are quite comparable to a large extent. But differences abound. When examining klarna vs affirm closely, key differences emerge across fees, reach, and purchase size. Let's examine these distinctions to help you decide which platform is best for you.

Formas de pago

• Klarna:
  
  • Ofrece múltiples planes de pago flexibles, como «Paga en 4», «Paga en 30 días» y opciones de financiación a largo plazo a través de WebBank.
  • Se requiere un pago inicial del 25 % del importe de la transacción.
  • No establece un gasto mínimo ni tiene un límite de gasto predefinido. En su lugar, cada vez que amortizas tu préstamo se toma una decisión de aprobación automática que determina cuánto puedes gastar.

• Afirmar:
  
  • Offers Pay in 4, Pay in 2 plan, Pay in 30 plan, or long-term loans that typically span 3 to 48 months.
  • Los clientes pueden utilizar el plan «Compra ahora, paga después» en transacciones que cumplan los requisitos y superen los 100 $, y financiar compras de hasta 17 500 $.
  • Permite realizar compras sin pago inicial.

Tipos de interés y comisiones

• Klarna:
  
  • Por lo general, ofrece planes de pago sin intereses para opciones a corto plazo.
  • Los plazos de financiación más largos tienen un tipo de interés que va del 7,99 % al 29,99 %.
  • Se aplica un recargo de 7 dólares tras 10 días de impago.
  • Podría comunicar los pagos atrasados y los impagos a la agencia de crédito.
  • Las comisiones de los comerciantes varían cada mes en función del contrato del comerciante y del volumen de ventas.

• Afirmar:
  
  • Por lo general, ofrecen pagos con un tipo de interés anual (TAE) del 0 % para los préstamos «Pay in 4».
  • Long-term financing interest rates up to  36% APR.
  • No cobra recargos por demora ni intereses compuestos por pagos atrasados.
  • Las comisiones para los comerciantes varían en función del riesgo percibido, el tamaño de la empresa y el programa elegido.

Both platforms charge a $15 chargeback fee.

Availability and Acceptance

• Klarna:
  
  • Caters to a diverse customer base and partners with ~850,000 merchants across 26 countries.
  • Ampliamente implantado en los principales sectores del comercio minorista, los viajes y la hostelería, la salud y el bienestar, y la automoción.
  • 114 million active consumers as of 2025.
  • Listed on the NYSE under ticker KLAR as of September 2025.
  • Exige que los usuarios sean residentes de los Estados Unidos o sus territorios, tengan al menos 18 años, dispongan de una tarjeta o cuenta bancaria válida, cuenten con un historial crediticio positivo y puedan recibir códigos de verificación por mensaje de texto.
  • Mayores índices de aprobación.

• Afirmar:
  
  • Se dirige principalmente a empresas que venden directamente a consumidores de Estados Unidos y Canadá.
  • Does not work with high-risk eCommerce verticals.
  • Approximately 23 million active users and 377,000 active merchants as of early 2026.
  • Exige que los usuarios sean residentes en Estados Unidos, Canadá o Australia, tengan al menos 18 años, dispongan de una tarjeta o cuenta bancaria válida, cuenten con un historial crediticio positivo y puedan recibir códigos de verificación por SMS.
  • Menores índices de aprobación.

Público objetivo

• Ambas plataformas atraen principalmente a un público más joven.
• Klarna says 80% of its Instagram account followers are under 34 years old, 60% of its customers are women, and 40% are men.
• Affirm señala que sus servicios resultan especialmente atractivos para los millennials y la generación Z, ya que el 46,14 % de los usuarios son hombres y el 53,86 % son mujeres.

Is Klarna or Affirm Better? The Final Verdict

Klarna and Affirm Payments have transformed how consumers make payments and experience products they love. They are safe to use and packed with features, and the interest rates are generally manageable. Integrating them into your store helps you improve your AOV and minimize cart abandonment. So, is Klarna or Affirm better for your business? And is Affirm or Klarna better as a consumer? The answer depends on your use case. Here's our verdict on which is better, Klarna or Affirm:

Cuándo elegir Klarna

• Subscription service: Klarna enables customers to subscribe to services, tokenizing payment preferences for automatic renewals. Shoppers can manage their settings in the Klarna App.
• Producto bajo demanda: utilizar Klarna como método de pago preferido en un monedero digital agiliza la compra con un solo clic de artículos bajo demanda, con opciones de pago flexibles.
• Open banking service provider: Vendors offering Pay Now services can have their users bypass card networks by paying Klarna directly from their bank account.
• Pymes con operaciones internacionales: Klarna ofrece una cobertura más amplia.
• Businesses targeting Walmart shoppers: Following Klarna's exclusive Walmart/OnePay partnership secured in March 2025, Klarna is now the BNPL provider of choice for the world's largest retailer.

Cuándo elegir Affirm

• Large purchases: Shoppers often use Affirm for large online transactions, providing a reliable and cost-effective solution. Affirm's average order value of $276 is nearly triple Klarna's ~$101, making it ideal for high-ticket merchants.
• Emergencias: Los usuarios de Affirm confían en la plataforma para hacer frente a gastos imprevistos, como reparaciones del coche o emergencias médicas.
• Transacciones locales en EE. UU. o Canadá: si tu clientela se encuentra en EE. UU. y Canadá, y tienes una excelente calificación crediticia, Affirm puede ser la mejor opción para ti.
• Zero-fee environments: If your customers are sensitive to late fees and penalties, Affirm's no-fee model is a clear differentiator over Klarna.
• Amazon merchants: Affirm's deep Amazon integration makes it the default BNPL option for one of the world's largest marketplaces.

Cómo Chargeflow ayuda a los comerciantes que ofrecen pagos «compra ahora, paga después»

Chargeflow ayuda a los proveedores de servicios de «Compra ahora, paga después» a recuperar automáticamente las devoluciones de cargo falsas y fraudulentas. Nuestro modelo de precios basado en resultados garantiza que solo pagues por los casos ganados, y nuestras tasas de éxito en las disputas han superado sistemáticamente los promedios del sector.

Take control of your chargebacks today! Our advanced technology, seamless integration, and exceptional dispute win rate are ideal for eCommerce businesses looking to improve payment processes and protect sales revenue. Here’s how to get started.

Frequently Asked Questions: Klarna vs Affirm

What is the difference between Klarna vs Affirm?

The core difference in klarna vs affirm comes down to geographic reach, fee structures, and purchase size. Klarna serves 114 million consumers across 26 countries and charges consumers late fees starting at $7 after 10 days. Affirm serves approximately 23 million users primarily in the U.S. and Canada, charges zero fees to consumers, and is better suited for higher-ticket purchases averaging $276 per order.

Is Klarna or Affirm better for merchants?

Whether Klarna or Affirm is better for merchants depends on your customer base and average order value. If you sell internationally or to a broad demographic, Klarna offers more global reach and higher approval rates. If you sell high-ticket items in the U.S. and want a no-fee model your customers will appreciate, Affirm is the stronger choice.

Is Affirm or Klarna better for consumers?

For consumers deciding between Affirm or Klarna, the key question is: do you want zero fees or more flexible repayment options? Affirm never charges late fees, hidden fees, or prepayment penalties. Klarna offers more payment plan variety and is accepted at more global retailers, but does charge late fees.

How much does Affirm charge merchants?

Affirm's merchant transaction fee is approximately 6% + $0.30 per purchase. This is slightly higher than Klarna fees, which typically range from 3.29% + $0.30 to 5.99% + $0.30. Both platforms charge a $15 chargeback fee. Affirm may offer custom pricing for enterprise merchants.

What are Klarna fees for merchants?

Klarna fees for merchants vary based on which product is used. Klarna Pay Later fees range from 3.29% + $0.30 to 5.99% + $0.30 per transaction. Klarna Pay Now (via SOFORT) is approximately 2.99% + $0.30. There are no setup fees, but monthly fees vary by agreement and sales volume. A $15 chargeback fee applies per dispute.

How does Klarna work?

At checkout, shoppers select Klarna as their payment method and choose a plan: Pay in 4 (four interest-free biweekly payments), Pay in 30 (pay in full within 30 days), or monthly financing (6–36 months through WebBank). Klarna pays the merchant upfront and collects repayments from the consumer. Shoppers can manage payments, track orders, and access support in the Klarna app.

Which is better, Klarna or Affirm, for high-ticket items?

For high-ticket purchases, Affirm is generally better. Affirm supports financing up to $17,500 with terms of up to 48 months, and its average order value of $276 is significantly higher than Klarna's ~$101. If you're asking which is better, klarna or affirm, for a $1,000+ purchase, Affirm's longer-term plans tend to be more competitive, though interest rates can reach 36% APR on extended plans.

Did Klarna take Walmart from Affirm?

Yes. In March 2025, Klarna secured an exclusive partnership with Walmart through its OnePay fintech subsidiary, replacing Affirm as Walmart's BNPL provider. This was one of the biggest competitive shifts in the klarna vs affirm landscape in recent years and significantly boosted Klarna's U.S. market position ahead of its September 2025 IPO.

Market Data

• Chargeflow BNPL Statistics 2026: https://www.chargeflow.io/blog/buy-now-pay-later-statistics

Klarna Data

• Klarna Wikipedia (2025 IPO, user/merchant counts, countries, stablecoin, AI assistant): https://en.wikipedia.org/wiki/Klarna
• Morningstar — Klarna IPO valuation analysis: https://www.morningstar.com/stocks/whats-behind-klarnas-14-billion-ipo-valuation
• Digital Commerce 360 — Klarna IPO $20B valuation: https://www.digitalcommerce360.com/2025/09/12/klarna-ipo-20-billion-valuation/
• PM Insights — Klarna IPO & Walmart partnership: https://www.pminsights.com/insights/klarna-leads-triple-fintech-ipo-wave-this-week

Affirm Data

• Affirm Investor Relations — revenue, profitability, fee structure: https://investors.affirm.com/news-releases/news-release-details/affirm-difference-building-new-kind-payments-network-money-and
• Business of Apps — BNPL market share & revenue stats: https://www.businessofapps.com/data/buy-now-pay-later-app-market/

Comparative Data

• Oreate AI — Klarna vs Affirm avg order value, user counts: https://www.oreateai.com/blog/klarna-vs-affirm-a-deep-dive-into-the-bnpl-giants/

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