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
- Paid
- Proprietary
United KingdomPlatforms
- Online
+3
Bulk SMS Alternatives
Bulk SMS is described as 'Provides application-to-person (A2P) messaging services to large and small businesses, public benefit organisations and individuals' and is a CRM system in the office & productivity category. There are more than 25 alternatives to Bulk SMS, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Windows apps. The best Bulk SMS alternative is UniStack. It's not free, so if you're looking for a free alternative, you could try Brevo or Atomic SMS Sender. Other great sites and apps similar to Bulk SMS are BatchLeads, Smarter Contact, REI BlackBook and Twilio.
Alternatives list
With ShoutSMS you get a fast, reliable SMS marketing service which allow you to send out mass text messages to your users while these messages originates from your own phone number. It's very useful when you need to send a message to a group of people while being able to...
Cost / License
- Paid
- Proprietary
Platforms
- Online
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)
Seamlessly send thousands of SMS in seconds with reliable delivery and real-time tracking with DIGINTRA's Bulk SMS API.
Cost / License
- Paid
- Proprietary
Platforms
- Software as a Service (SaaS)
Denmark
EU
India
