• Direct Messages (daily): The limit is 500 messages sent per day.
• Posts: 50 original posts and 200 replies per day for unverified accounts. The daily update limit is further broken down into smaller limits for semi-hourly intervals.
• Changes to account email: 4 per hour.
• Following (daily): The technical follow limit is 400 per day. Please note that this is a technical account limit only, and there are additional rules prohibiting aggressive following behavior.
• Following (account-based): Once an account is following 5,000 other accounts, additional follow attempts are limited by account-specific ratios.