Mock FedCM Integrations
MockFedCM is a free FedCM Relying Party (RP) and Identity Provider (IdP) for testing FedCM integrations. Simulate real-world authentication flows, debug your implementation, and validate user experiences—all without needing a production IdP or RP.
In plain words
Mock FedCM Integrations is a free testing tool that provides both a Relying Party and Identity Provider for developers working with FedCM (Federated Credential Management) authentication. It allows developers to simulate real-world authentication flows, debug implementations, and test user experiences without requiring a production identity provider or relying party setup. The tool is designed for developers building federated authentication systems who need a sandbox environment for validation and testing.
written from the facts on this page · September 2026
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