Can I send messages to international numbers? Gupshup February 11, 2022 07:13 Updated Yes, you can send and receive messages to international numbers. Related articles Can i format text messages? Will I receive message status notification like - message read, sent, delivered, etc.? How do I block a spam user? Is there an API for blocking users for sending spam messages? A brief note on the inconsistencies for mobile numbers and their WhatsApp IDs in Brazil(digit '9') & Mexico(digit '1') Can I opt-in or opt-out a user via API? Comments 0 comments Please sign in to leave a comment.