Quick Reference
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