Create Test Api Management Interface Implementation for Magento 2

https://webkul.com/blog/magento2-custom-rest-api/

Magento 2 API lets developers make, manage, and test APIs in Magento 2. It has a user-friendly interface and makes integrating third-party apps easier. These apps ensure better data exchange and communication. The Magento 2 API Management Interface supports thorough testing and debugging and lets you find and fix issues quickly.