Hi Datt,

Thank you for your response. I am happy that you are integrating the medium with your website. Yes, the medium API is legal to use as it is available open-source. I didn't get time to try it practically, but I can recommend you these two artciles which helps you to integrate the medium API with your website with user authentication.

1. How to Get Data from Medium API

https://medium.com/@cndro/how-to-get-data-from-medium-api-ca3b3a660a81

2. Using REST API in medium

https://medium.com/geekculture/rest-api-in-medium-8539340f2650

Let me update when you are done with.

Thank You!