How do we get access to Reddit API?

[kamzata]

We tried many times to request the access to the Reddit API from here but every time they response back this:

Reddit Support (Reddit Support)

Thank you for your interest in using the Reddit Data API.
We have reviewed your recent request for access. Unfortunately, we cannot grant approval because the submission is not in compliance with Reddit’s Responsible Builder Policy and/or lacks necessary details.
We prioritize requests that are complete and well-supported. If you have any further questions, please refer to the relevant documentation based on your use case.
 
Thank you, 
Reddit Data API Team

How can we access to the Reddit API?