Quick Reference
| Payment Method | Iframe Support | Notes |
|---|---|---|
| Card payments | ✅ Fully supported | Safe to use in iframe |
| Apple Pay | ❌ Not supported | Requires top-level context |
| Google Pay | ⚠️ Limited support | Needs allow="payment", inconsistent behavior |
| BNPL (Klarna, Afterpay) | ⚠️ Poor UX | Redirects break iframe flow |
Key Limitations
Apple Pay
- Cannot work in iframes - Apple requires top-level browsing context
- Solution: Use hosted checkout or open in new window
Google Pay
- Requires
allow="payment"attribute on iframe - Unreliable - browser differences cause inconsistent behavior
- Solution: Test thoroughly or use hosted checkout
BNPL Providers
- Redirect-based flows break iframe experience
- Poor UX - redirects navigate parent window or open new tabs
- Solution: Use hosted checkout for BNPL