Learn how to send WhatsApp messages to unsaved numbers using the WhatsApp app, browser links, Truecaller, Google Assistant, and Siri Shortcuts.

Users can send WhatsApp messages without saving contacts through various methods, including Google Assistant on Android, third-party apps, WhatsApp QR codes, or the Shortcut app on iPhone.

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Like all other WhatsApp messages, self-destructing audio notes are also encrypted end-to-end. The ability to send and receive view-once audio messages is rolling out on Android and iPhone.