If your long-term strategy focuses on custom user experiences, deep product cross-selling, and avoiding vendor lock-in, an API-led integration is definitely the way to go. While an iFrame lets you launch in weeks, it restricts your UI control, limits direct access to underlying session data, and makes migrating off the supplier’s platform difficult later on.
An API-driven setup puts your PAM system at the center, letting you share a single player wallet, unified authentication, and unified responsible gambling controls across both casino and sports. You can read a complete technical guide on platform integration architecture at this technical guide It breaks down the full integration surface—from PAM REST endpoints to wallet balance locks—so your team can make an informed decision.