How to Build Your Own Affirm
Replace Affirm with a custom build. Pay over time with flexible payment plans and no fees
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 15 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 15 features
Payment Method(2 features)
The Affirm Card lets you shop online and in stores with the choice to pay in full or pay over time
One-time-use Affirm virtual card for secure online purchases
Payment Plans(2 features)
Pay over 12 months or more with flexible monthly payment options at varying APR rates
0% APR interest-free payments split into 4 payments every 2 weeks
Pricing(2 features)
Buy now, pay later without any fees from Affirm. Your payments stay consistent, and you'll see any interest up front
You'll know what you'll pay up front—no fine print
Banking(1 features)
A bank account held with Cross River Bank offering FDIC insurance
Browser Tool(1 features)
Get the Affirm Google Chrome extension to discover exclusive offers and flexible payment options at your favorite online stores
Credit Management(1 features)
See what you can spend or explore plans without affecting your credit
Mobile(1 features)
Download the app to get personalized offers, manage plans, and shop with Affirm
Payment Integration(1 features)
Choose from personalized payment plans anywhere Apple Pay is accepted
Cost Calculator
Pricing data not available for Affirm. Check their website for current pricing.