Understanding what Affirm does starts with a simple idea: letting people split purchases into smaller payments without a traditional credit card. Affirm (AFRM) is a buy now, pay later (BNPL) company that partners with merchants to offer installment loans at the point of sale. Its business model revolves around merchant fees, interest income, and a growing network of retail partnerships. For beginners exploring AFRM, the model is straightforward, but the details matter.
Key takeaways
- Affirm makes money primarily through merchant fees and interest charged on installment loans, not hidden late fees.
- Its customer base skews toward younger consumers who prefer transparent payment terms over revolving credit card debt.
- Affirm differs from traditional banks and credit card issuers by underwriting each transaction individually and never charging late fees.
- Merchant partnerships, including major retailers, drive loan volume and are central to Affirm's growth strategy.
- Investors researching AFRM should pay attention to gross merchandise volume (GMV), revenue less transaction costs (RLTC), and delinquency rates as core performance indicators.
What does Affirm do, exactly?
Affirm is a fintech company that provides point-of-sale installment loans. When you check out at a participating retailer, online or in-store, Affirm offers you the option to pay over time in fixed installments rather than paying the full amount upfront or putting it on a credit card. The consumer picks a repayment plan (typically 3, 6, or 12 months), and Affirm shows the total cost, including any interest, before the buyer commits.
That transparency is the pitch. There are no late fees, no deferred interest traps, and no compounding balances that spiral. You see what you owe, you pay on schedule, and the loan closes. If that sounds simple, it is. The complexity sits on Affirm's side, in how they underwrite risk, fund loans, and monetize the transaction.
Buy Now, Pay Later (BNPL): A financing method where consumers split a purchase into installments, typically offered at checkout. Unlike credit cards, BNPL loans are usually fixed-term with no revolving balance. For investors, BNPL adoption rates signal consumer financing trends and competitive pressure on traditional lenders.
How does Affirm make money?
Affirm has two primary revenue streams, and understanding both is essential for anyone researching the stock.
Merchant fees
When a retailer offers Affirm at checkout, the merchant pays Affirm a fee on each transaction. Think of it like the interchange fee a credit card company charges, but often higher. Merchants accept this cost because BNPL options tend to increase average order values and conversion rates. If a shopper was going to abandon a $900 cart, but completes the purchase because they can split it into four payments, the merchant wins even after paying Affirm's cut.
Consumer interest
Some Affirm loans carry interest, particularly longer-term loans. Affirm earns revenue from the interest consumers pay over the life of those loans. Shorter-term plans (like pay-in-four) are often 0% APR, meaning the merchant fee is the only revenue source. Longer plans can carry APRs that range widely based on the borrower's creditworthiness and the specific loan terms.
There's a third, smaller piece: Affirm also earns income from selling loans to third-party investors and from its savings product (a high-yield savings account), but merchant fees and interest are the core of the business.
Gross Merchandise Volume (GMV): The total dollar value of transactions processed through Affirm's platform. GMV is not revenue, but it's the top-of-funnel metric that drives everything else. Rising GMV generally signals growing adoption and merchant traction.
Who uses Affirm?
Affirm's customer base is broad, but it leans toward younger consumers, particularly millennials and Gen Z shoppers, who may be wary of credit card debt or who may not have extensive credit histories. These borrowers are drawn to the fixed payment structure and the absence of compounding interest.
On the merchant side, Affirm has built partnerships across categories: electronics, fitness equipment, travel, fashion, home goods, and more. Its high-profile partnership with Amazon is worth noting because it gives Affirm access to massive transaction volume. Shopify integration is another significant channel, letting smaller merchants offer Affirm at checkout with minimal setup.
So the user base is really two-sided: consumers who want flexible payments, and merchants who want higher conversion rates and larger baskets. The network effect matters here. More merchants attract more consumers, and more consumers make the platform more attractive to merchants.
How is Affirm different from a credit card company?
This is where things get interesting for Affirm for beginners. On the surface, both Affirm and credit card issuers lend money to consumers. But the mechanics and incentives diverge in meaningful ways.
- Underwriting: Credit card companies approve you once and give you a revolving credit line. Affirm underwrites every single transaction. Each time you check out, Affirm runs a soft credit check and decides whether to approve that specific loan at that specific amount. This per-transaction model gives Affirm more granular risk control.
- Fee structure: Credit cards profit heavily from late fees, penalty APRs, and revolving balances where consumers pay minimum amounts. Affirm charges no late fees and no penalty interest. If you miss a payment, Affirm may pause your ability to take new loans, but it won't pile on extra charges.
- Interest transparency: Credit card interest compounds on unpaid balances and can snowball. Affirm's interest, when charged, is simple interest with a fixed schedule. The total cost is disclosed before you agree.
- Revenue model: Credit cards earn from interchange fees, interest, annual fees, and penalties. Affirm earns primarily from merchant fees and interest, with no annual fees or penalty revenue.
The trade-off is that Affirm takes on more risk per transaction and has thinner margins than a credit card issuer sitting on a profitable revolving balance. Whether that's a better business model long-term is one of the central debates around the stock.
How is Affirm different from a traditional bank?
Banks do a lot of things: checking accounts, savings accounts, mortgages, auto loans, credit cards, wealth management. Affirm does one thing and tries to do it well. It's a specialist, not a generalist.
Affirm holds a lending license and has a relationship with Cross River Bank (and its own bank charter exploration), but it doesn't operate branches, doesn't offer checking accounts, and doesn't manage deposits the way a traditional bank does. Its savings account product exists, but it's a small piece of the business compared to lending.
Banks also benefit from deposit funding, which is cheap capital they can lend out at higher rates. Affirm funds its loans through a mix of warehouse credit facilities, securitizations, and forward-flow agreements with institutional buyers. This funding model is more expensive than deposit-funded lending, which is something investors should factor into profitability analysis.
Revenue Less Transaction Costs (RLTC): A metric Affirm uses to show profitability at the unit economics level. It's revenue minus the direct costs of funding and servicing loans. RLTC margin tells you whether Affirm is making money on each dollar it lends, before accounting for operating expenses like engineering and marketing.
What should investors watch when researching AFRM?
If you're evaluating Affirm as a potential investment, here are the metrics and factors worth tracking. None of these are buy or sell signals on their own, but together they paint a picture of business health.
- GMV growth: Is the total volume of transactions growing? This reflects merchant adoption and consumer usage.
- RLTC margin: Is Affirm making money on each loan after funding costs? A rising RLTC margin suggests improving unit economics.
- Delinquency rates: What percentage of loans are going unpaid? BNPL lenders can look great when the economy is strong but face serious trouble when consumers are stressed.
- Active consumers and merchants: Are both sides of the network growing? Flat or declining user counts could signal saturation.
- Path to profitability: Affirm has historically operated at a net loss. Whether and when the company reaches sustained profitability is a major question for long-term investors.
- Competitive landscape: Afterpay (owned by Block), Klarna, PayPal Pay Later, and Apple Pay Later are all competitors. How Affirm differentiates and retains merchant relationships in a crowded space matters.
You can explore AFRM's financials and run your own analysis on Affirm's stock research page at Rallies.ai.
The bull and bear case, in brief
Here's the honest tension with AFRM. Bulls point to massive total addressable market in consumer credit, a strong brand with younger demographics, growing merchant integrations, and improving unit economics. The argument is that Affirm is building the next generation of consumer lending and that traditional credit cards are ripe for disruption.
Bears counter that BNPL is a low-moat business where switching costs are minimal for both merchants and consumers. Funding costs are higher than bank competitors, credit risk is real (especially in a recession), and profitability remains elusive. Regulatory scrutiny around BNPL lending is also increasing, which could change the economics.
Both sides have valid points. That's what makes the research worth doing rather than settling for a headline.
Try it yourself
Want to run this kind of analysis on your own? Copy any of these prompts and paste them into the Rallies AI Research Assistant:
- Explain Affirm's business model like I'm new to fintech — how do they make money, who uses their services, and how are they different from a credit card company or a traditional bank?
- Explain what Affirm does like I'm new to investing — how does the business work and why does it matter?
- What are the biggest risks to Affirm's business model, and how do BNPL delinquency rates compare to traditional credit card default rates?
Frequently asked questions
What is AFRM in simple terms?
AFRM is the stock ticker for Affirm Holdings, a fintech company that lets consumers split purchases into installment payments at checkout. Affirm partners with merchants across retail, travel, and e-commerce, earning revenue from merchant fees and consumer interest. It operates as an alternative to credit cards, with a focus on transparent, fixed repayment terms.
Is Affirm a bank?
Affirm is not a traditional bank. It's a financial technology company that originates installment loans, often through partner banks. While it does offer a savings account product, its core business is point-of-sale lending, not deposit-taking or full-service banking. The distinction matters for investors because Affirm's funding costs and regulatory framework differ from those of chartered banks.
How does Affirm make money if there are no late fees?
Affirm generates revenue primarily through merchant discount fees (a percentage of each transaction paid by the retailer) and interest income on longer-term consumer loans. The no-late-fee policy is a competitive differentiator, not a revenue gap. Merchant fees alone can be substantial because retailers are willing to pay for higher conversion rates and larger average orders.
What is AFRM explained for beginners?
At its core, Affirm lets shoppers pay for purchases over time in fixed installments. Merchants integrate Affirm at checkout, Affirm underwrites each transaction individually, and consumers see the full cost before committing. There are no hidden fees and no compounding interest. For beginners looking at AFRM as a stock, the key question is whether this model can scale profitably against competitors and traditional lenders.
Who competes with Affirm?
Affirm's main competitors include Klarna, Afterpay (owned by Block/Square), PayPal Pay Later, and Apple Pay Later. Traditional credit card companies also compete indirectly, since they offer their own installment plan features. The BNPL space is competitive, and merchant switching costs are relatively low, which makes differentiation and scale important factors for long-term performance.
Is Affirm profitable?
Affirm has historically reported net losses as it invests in growth, technology, and merchant acquisition. The company tracks a metric called revenue less transaction costs (RLTC) to show unit-level profitability, which has trended in a positive direction. Whether and when Affirm achieves sustained net profitability is one of the central questions investors should research. You can track this on AFRM's research page and review earnings trends over time.
Bottom line
Understanding what Affirm does comes down to this: it's a BNPL lender that sits between consumers who want flexible payments and merchants who want more sales. The business model is built on merchant fees and interest income, with a deliberate absence of the penalty-driven revenue that props up traditional credit cards. Whether that model is better or worse for long-term investors depends on execution, competition, and credit risk management.
If you're new to researching fintech stocks, start by learning how to evaluate business models and revenue quality. Explore more stock analysis guides to build a framework, or use the Rallies.ai Vibe Screener to find other companies worth digging into.
Disclaimer: This article is for educational and informational purposes only. It does not constitute investment advice, financial advice, trading advice, or any other type of advice. Rallies.ai does not recommend that any security, portfolio of securities, transaction, or investment strategy is suitable for any specific person. All investments involve risk, including the possible loss of principal. Past performance does not guarantee future results. Before making any investment decision, consult with a qualified financial advisor and conduct your own research.
Written by Gav Blaxberg, CEO of WOLF Financial and Co-Founder of Rallies.ai.