https://dev.twitter.com/rest/public/rate-limits
user app
GET search/tweets search 180 450
https://www.instagram.com/developer/limits/
CLIENT STATUS RATE LIMIT Sandbox 500 / hour Live 5000 / hour
https://developers.facebook.com/docs/graph-api/advanced/rate-limiting
Here's how rate limiting on the Graph API works:
Rate limiting is done on your Facebook AppId. If your app reaches a rate limit, all calls made for that app will be limited not just on a per-user basis.
Rate limiting is calculated by taking the number of users your app had the previous day and adding today's new logins. This gives a base number of users that your app has.
Each each app is given an allotment of 200 API calls per user in any given 60 minute window.
As an example, if your app had 10 users yesterday and 5 new logins today, that would give you a base of 15 users. This means that your app can make ((10 + 5) * 200) = 3000 API calls in any 60 minute window.
Note: there are some exceptions to these limits with the Marketing API.