Wa Gateway is a Chrome add-on developed by PT. WEB HOSTING INDONESIA. It is a free program that falls under the Browsers category and the Add-ons & Tools subcategory.

With Wa Gateway, users can send WhatsApp messages using an API key. The process is simple - just scan your device and you're good to go. The program offers several features, including unlimited messaging, uploading Excel files, privacy settings, and pinning unread chats to the top.

The PRO version of Wa Gateway includes additional features such as sending attachments, personalized mass messages, setting message intervals, and downloading delivery reports. Users can also create their own chatbots on the web version of WhatsApp.

Wa Gateway allows users to instantly download all types of contacts, including group contacts, labeled contacts, broadcast list contacts, and individual chat contacts.

Please note that the information provided by this tool is for educational purposes only.