Microsoft Graph Information Protection

Microsoft Graph Information Protection is a set of Microsoft Graph APIs that expose Microsoft Purview Information Protection (sensitivity labels and related policies) to applications. It enables developers to discover a tenants label taxonomy and policy settings, evaluate which label should apply to given content, and programmatically classify and label files or emails. Apps can read, apply, update, or remove sensitivity labels and inspect the protection settings those labels enforce, such as encryption and usage rights. These capabilities let organizations automate labeling workflows, embed labeling into custom solutions, run whatif policy evaluations, and keep protection and governance consistent across Microsoft 365 services like Office apps, SharePoint, OneDrive, and Exchange.