Manage Custom Certificates in Power Pages

Custom certificates in Power Pages are used to secure client-side API calls and enable OAuth 2.0 authentication scenarios. These certificates help ensure secure communication between external applications and your Power Pages website.

By uploading a custom certificate, administrators can strengthen API security and control authentication flows for enterprise integrations.

When to Use Custom Certificates

Secure OAuth 2.0 authentication
Enable API security for external systems
Validate trusted client connections
Protect sensitive integration endpoints

Add New Certificate

Go to Power Platform Admin Center.
Select Power Pages Sites → Manage Site.
Open Security section.
Select Custom Certificates.
Click + New.
Upload the .PFX file.
Enter the certificate password.
Click OK to save.

Important: Ensure the PFX file is valid and password-protected before uploading.

Security Benefits

Enhances API authentication security
Supports OAuth 2.0 secure flows
Prevents unauthorized access
Strengthens enterprise integrations

Best Practices

Use strong, trusted certificates
Store PFX files securely
Rotate certificates periodically
Monitor certificate expiration
Limit admin access to security settings

Key Takeaways

Custom certificates improve API security
Used for OAuth 2.0 authentication scenarios
Uploaded via Power Platform Admin Center
Requires secure PFX file handling