List of APIs for Scholarly Resources

Provides access to query and retrieve tweets, users, and other key Twitter resources.

Requirements

• In order to use the API, you need to have an approved developer account that you can apply here.
• The complete guide to getting access is available here: Getting access to the Twitter API

Limitations:

• The rate limits (i.e. number of tweets you can retrieve per requests, etc.) are outlined in this page. Note that different version of API (standard, enterprise, etc.) have different set of limits.
• Developers must abide by the Twitter Developer Policy. The policy outlined what kind of data you can retrieve and other limitations in more detail. 

Useful Links

• Documentation
• Tutorials

API Wrappers and Other Tools

• search-tweet-python (Python) - Python client for the Twitter 'search Tweets' and 'count Tweets' endpoints
• tweepy (Python) - Python wrapper for Twitter
• rtweet (R) - R wrapper for Twitter
• More tools and libraries

Twitter Datasets

Tip: Check on the link below if the datasets that you need had already been gathered by others before

Provides access to query and retrieve Reddit posts, comments, subreddits lists, user history, and many more.

Requirements

• You need to have a Reddit account (for authentication purposes) and request for a OAUTH Client ID.
• You have to agree to the Terms of Use before you can request one here.

Limitations  

• Calls made through connection via OAuth2 can make up to 60 requests per minute, with 100 items per request.

Useful Links

• Documentation
• API Rules
• Subreddit for Developers
• PRAW (Python Reddit API Wrapper) package

Reddit Datasets