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
Platforms
- Online
United Kingdom
+3
Instasent Alternatives
Apps similar to Instasent include Telnyx. It's paid, but Atomic SMS Sender is free. Other options are Twilio, iP.1 RESTful API, OpenTok and Plivo. Email Marketing Services like Instasent are a crowded field, with more than 25 alternatives for the web, Android, iPhone, Windows and Mac.
Alternatives list
Sending Bulk SMS to the customers will engage the customers with your business and new offers. Customers engagement set a new level for the businesses.
Cost / License
- Paid
- Proprietary
Platforms
- Online
SMS Messaging, Simplified. Compliant, reliable and scalable SMS infrastructure for business-critical transactional and marketing messages.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Online
- United Kingdom
High quality and cheap SMS gateway with coverage of 900+ operators worldwide. ? Worldwide coverage ? Free testing ? Great pricing ? Easy HTTP(s) API
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
While the last few years have witnessed exponential growth in terms of the business-to-customer SMS volume, SMS/text buyers are still struggling to understand the economics behind it. Multiple aggregators and operators are spread across multiple geographies while offering plans...
Cost / License
- Paid
- Proprietary
Platforms
- Online
