The API provides endpoints to authenticate with username and password, access user profile information, retrieve feeds, manage followers and followings, perform actions such as following/unfollowing, liking, and commenting on posts.

Authentication
To authenticate with the Instagram API, you need to provide your username and password. This can be done by making a POST request to the following endpoint:

POST /authenticate
Request Body:

{
“username”: “your_username”,
“password”: “your_password”
}
Successful authentication will generate an access token that you can use to make subsequent API calls. Remember to securely store this token for future use.

User Profile
To retrieve user profile information, make a GET request to the following endpoint:

GET /profile
Authorization Header:

Authorization: Bearer your_access_token
This will return the user’s profile data, including username, bio, follower count, following count, and other relevant details.

Feed
To retrieve the user’s feed, make a GET request to the following endpoint:

GET /feed
Authorization Header:

Authorization: Bearer your_access_token
This will return the user’s recent posts and their associated metadata.

Followers
To retrieve the list of followers for a user, make a GET request to the following endpoint:

GET /followers
Authorization Header:

Authorization: Bearer your_access_token
This will return a list of users who are following the authenticated user.

Followings
To retrieve the list of users that the authenticated user is following, make a GET request to the following endpoint:

GET /followings
Authorization Header:

Authorization: Bearer your_access_token
This will return a list of users that the authenticated user is following.

Follow
To follow another user, make a POST request to the following endpoint:

POST /follow
Authorization Header:

Authorization: Bearer your_access_token
Request Body:

{
“username”: “username_to_follow”
}
This will send a follow request to the specified user.

Unfollow
To unfollow a user, make a POST request to the following endpoint:

POST /unfollow
Authorization Header:

Authorization: Bearer your_access_token
Request Body:

{
“username”: “username_to_unfollow”
}
This will unfollow the specified user.

Like
To like a post, make a POST request to the following endpoint:

POST /like
Authorization Header:

Authorization: Bearer your_access_token
Request Body:

{
“post_id”: “post_id_to_like”
}
This will like the specified post.

Comment
To comment on a post, make a POST request to the following endpoint:

POST /comment
Authorization Header:

Authorization: Bearer your_access_token
Request Body:

{
“post_id”: “post_id_to_comment”,
“comment”: “your_comment”
}
This will post a comment on the specified post.

Please note that the above endpoints are just examples, and the actual implementation of the Instagram API on RapidAPI might have different endpoint names or additional functionalities. Be sure to refer to the API documentation for accurate endpoint details and request/response formats.