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
Spring Edge Alternatives
Sites and apps similar to Spring Edge include Telnyx. It's paid, but Tellephant is free. Other options are Twilio, Hilos by ActiveCampaign, textbee.dev and iP.1 RESTful API. Email Marketing Services like Spring Edge are a crowded field, with more than 25 alternatives for Android, iPhone, Chrome OS, Mac and Windows.
Alternatives list
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)
