CFC SDKFiserv CFC Iframe Integration SDK

A type-safe SDK for integrating the Fiserv CFC iframe into host applications.

Two Integration Modes

Support for full-page and partial iframe integration, each with dedicated setup helpers and dimension synchronization.

Strongly-typed CFC-to-Host and Host-to-CFC messages with TypeScript interfaces for every payload.

Composable feature helpers for URL sync, dimension sync, navigation, session management, error handling, and subscription upgrades.

Works with any frontend framework -- React, Vue, Angular, or vanilla JavaScript. Zero runtime dependencies.