Firewall Configuration — iPhone
| Endpoint | Port | Purpose |
|---|---|---|
secure.cyogate.net | 443 | Transaction processing |
sdk.cyogate.net | 443 | SDK auth and config |
*.apple.com | 443 | Apple Pay network calls |
The SDK uses certificate pinning. If your network performs SSL inspection, add an exception for CyoGate SDK domains — SSL inspection will cause certificate validation failures.
See the Tap to Pay on iPhone overview for full context and the complete topic list.