Send WhatsApp message directly to a number without having to save the contact
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Updated
Apr 19, 2023 - Dart
Progressive Web Apps start with a traditional web site/application and progressively enhance with modern features. When sites are secure they can leverage ServiceWorkers to provider users with offline support, Push notifications can help re-engage users, and Web App Manifests let users install PWAs alongside native apps.
Send WhatsApp message directly to a number without having to save the contact
Released 2015