That is a hugely vague and open question! Even then best practices could be altered based on the technical solution rather than the functional requirements you exercise.
Can you be a bit more specific with your request?
Hi @ashsharma22! I agree with Richie, ReadyAPI is a feature-rich tool where you can perform different kinds of API testing tasks, so, naming a specific topic would be helpful to laser-target your question.
However, I am sure you will find a lot of useful information on best practices in our free ReadyAPI learning courses.
We released two courses with our partners from WiseClouds where we speak about best practices of API testing in the context of ReadyAPI:
Community and Education Specialist