How to Start a New Chat
You can message any number, even if you've never chatted with them before.
You can message any number, even if you've never chatted with them before.
Step 1 — Tap the + button
On the Chats tab, tap the green ➕ button in the top-right corner.

Step 2 — Enter the number and start
Type the contact's phone number with country code, then tap Start Chat. The conversation opens and you can send your first message.

If you have more than one connected account, pick which one to send from before starting.