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
Releans Alternatives
Releans is described as 'Start sending text messages within seconds through an intuitive platform, Automate your SMS marketing campaigns. For enterprise companies and volume players, Releans is certainly a terrific option' and is a Email Marketing service in the social & communications category. There are more than 25 alternatives to Releans for a variety of platforms, including Web-based, SaaS, Android, iPhone and iPad apps. The best Releans alternative is UniStack. It's not free, so if you're looking for a free alternative, you could try TextBee or Atomic SMS Sender. Other great apps like Releans are Dexatel, Twilio, Textmagic and SMSAPI.
Alternatives list
50 Vonage alternativesWe’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
D7 SMS allows reaching the customers via SMS over D7's own connectivity to global mobile networks. D7 provides reliable and cost-effective SMS services to businesses across all industries and aims to connect all countries and territories.
Cost / License
- Free
- Proprietary
Platforms
- Software as a Service (SaaS)
United States