Authkey is a versatile multiple channels platform, including SMS API, WhatsApp Business API, Email, Voice Call APIs, and various authentication methods such as OTP, 2FA, and more.
Cost / License
- Subscription
- Proprietary
United KingdomPlatforms
- Online
+3
Blitzz Alternatives
Blitzz is described as 'Video powered, enterprise field service platform that quickly becomes the smart, system of record for all collaborative events between field techs, HQ support and end users of physical equipment in the field' and is a Video Calling app in the business & commerce category. There are more than 50 alternatives to Blitzz for a variety of platforms, including Android, Web-based, iPhone, iPad and Windows apps. The best Blitzz alternative is Signal, which is both free and Open Source. Other great apps like Blitzz are Telegram, Pidgin, Tox and WhatsApp.
Alternatives list
- 79 Authkey - SMS & WhatsApp API alternatives
We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead. We provide unified communications, contact centers and programmable communications APIs, built on the world's most flexible cloud communications platform.
Cost / License
- Subscription
- Proprietary
Platforms
- Online
Free, unlimited, HD voice and video calls for everyone! Enjoy group video calls with up to 20 participants at ToTok. Top-rated video calling app for Android.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Self-Hosted
Instasent is one of the largest and the most secure platforms in the market, in-house developed for sending bulk SMS world wide.
Cost / License
- Pay once or Subscription
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
- Chrome OS
+2
United States
Spain
EU