How to Perform a Bulk Permissions Check in FusionAuth FGA By Permify

FusionAuth FGA by Permify introduced a Bulk Check API endpoint in December 2025 to streamline the process of verifying user permissions across multiple resources, significantly reducing latency and network overhead compared to individual checks. This new feature allows for up to 100 permissions to be verified in a single API call, enhancing efficiency when needing to display permissions for numerous documents or auditing user access rights. The text uses a schema involving doctors, patients, and medical records to demonstrate the Bulk Check API's application, outlining how permissions for viewing and editing records are assigned based on relationships such as doctor-patient or guardian-child. A practical example is given, showcasing how a hospital administrator can efficiently audit permissions by using a single API call to verify permissions for multiple doctors across various medical records. The Bulk Check API is especially beneficial for complex access controls and batch operations, offering a more optimized approach than traditional single permission checks, while also detailing usage scenarios and potential limitations.

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