No, official support for Android 5.0 and 5.1 ended on . If your device runs on Android 5.1.1, you will no longer receive security updates or new features from the official WhatsApp service.
If you must use an APK, APKMirror is the industry standard for hosting unmodified, safe files.
If you specifically need an older version (like 2.24.5.11) for testing or legacy reasons, this is a reputable site that verifies file signatures against the original developer to ensure the file hasn't been tampered with. How to Stay Safe
Join the official WhatsApp Beta Program on the Play Store.
He scrolled to Sarah’s contact. Her status didn't say "Hey there! I am using WhatsApp." It said: [Monday, 10:14 PM]: Locked out of the apartment. Forgot the stove. He looked at the clock. It was Sunday morning.