Twilio SMS is very affordable in the US. Most countries outside US/CAN use WhatsApp as the preferred method of messaging, which is considerably cheaper. https:

Twilio SMS is very affordable in the US. Most countries outside US/CAN use WhatsApp as the preferred method of messaging, which is considerably cheaper. https://www.twilio.com/en-us/whatsapp/pricing https://www.twilio.com/en-us/whatsapp/pricing