Buy Now Pay Later for Merchants: Complete Implementation Guide
BNPL increases AOV by 20-30% and conversion by 20%. This guide covers top providers, integration steps, and cost-benefit analysis for merchants.
BNPL increases average order value by 20-30% and conversion by 20%. Here is how to add it to your business.
Top BNPL Providers for Merchants
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1. Klarna ($0 setup, 3.29% + $0.30)
30 million US customers. Pay in 4, financing up to 36 months. White-label checkout. Strong in fashion and lifestyle. Marketing support for merchants.
2. Afterpay (6% + $0.30)
Most popular in fashion/beauty. Pay in 4 installments over 6 weeks. Zero interest for consumers. Higher merchant fees but strong impulse purchase conversion.
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3. Affirm (5.99% average merchant fee)
Longer-term financing (3-60 months). Best for higher-ticket items ($500+). Transparent pricing for consumers (no hidden fees). Shop Pay Installments partnership with Shopify.
4. PayPal Pay Later ($0 extra, included in PayPal)
Built into PayPal checkout at no additional merchant cost beyond standard PayPal rates. Pay in 4 or monthly payments. Leverages PayPal trust and existing user base.
5. Sezzle (6% + $0.30)
Younger demographic (Gen Z focus). Pay in 4 over 6 weeks. Unique credit-building feature for consumers. Growing merchant network.
Impact on Your Business
| Metric | Average Impact |
|---|---|
| AOV increase | +20-30% |
| Conversion increase | +20% |
| Cart abandonment decrease | -28% |
| New customer acquisition | +15% |
| Return rate | No significant change |
Implementation Steps
- Choose provider: Match your average order value to the right BNPL
- Integrate: Most offer Shopify/WooCommerce plugins (30-minute setup)
- Promote on product pages: BNPL messaging on price increases conversion
- Add to checkout: Multiple BNPL options at checkout performs best
- Monitor metrics: Track AOV, conversion, and return rates for 90 days
Cost-Benefit Analysis
BNPL fees (3-6%) are higher than standard card processing (2.5-3%). But the AOV and conversion increases typically more than offset the higher fees. A 25% AOV increase with 6% BNPL fees nets you more revenue than standard checkout.
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