• Log in to Bookedin web here: scheduler.bookedin.com
• Go to the "Settings > Email/Text Reminders" (top menu) 
  
• Check the boxes to activate each type of client text message:  
  

Notes:

• Available for all USA 🇺🇸 & Canadian 🇨🇦 businesses

• Unlimited texting during 14-day trial

• Paid Pro plans include unlimited texting

• Free plan: does not include texting 

• If you're on a very old grandfathered plan, (2013=2014 era) you may see a message asking you to upgrade to activate text reminders on your account.