Required Apache Tomcat,API Development,API Testing freelancer for Need an Expert API Security Consultant job

We need an Expert API Security Consultant, We want to restrict the access of REST API from other origin, We have implemented CORS,CSP Headers still its accessible from other tools like postman ,Advanced REST Client. We want to fully secure REST API with best practices and only accessible from same origin.

Skills & Expertise Required

Apache Tomcat API Development API Testing