qsa.sh
See your own public IP from the outside with a terminal security scan.
Authorization
Determine which actions an authenticated person or system is permitted to perform on resources.
Knockoff
Monitor copied product photos and prepare documented takedown cases
Click
Build application features on a managed agent execution API
Stytch
Authentication and authorization APIs for users and agents
Descope
Design login and identity workflows with a visual editor
Auth0
Authentication and authorization for applications