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
Platforms
- Online




Plivo is described as 'Offers a simple, quick, and scalable way to modernize customer communications. Businesses of all sizes — from growing startups to public companies — rely on Plivo to deliver better customer experiences' and is an website in the development category. There are more than 50 alternatives to Plivo, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Windows apps. The best Plivo alternative is Dexatel. It's not free, so if you're looking for a free alternative, you could try TextBee or Atomic SMS Sender. Other great sites and apps similar to Plivo are Twilio, Hilos by ActiveCampaign, OpenTok and iP.1 RESTful API.
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.




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.
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.
The main purpose of cloud telephony is connecting with the customers for providing your services support. IVR is the software which is used for the cloud telephony.
WhatsApp is a popular messaging platform around the globe. With Maytapi you can send and receive messages from WhatsApp using simple HTTP requests. Integrate your marketing or business platform (Shopify, Woocommerce, CRM ets.) to WhatsApp easily.




Easily, inexpensively and seamlessly add True HD Voice and Video calls to your app with our SDK that's built upon a Global Infrastructure of over 80 data centers, meaning the calls are always clear no matter where your users are.

This generation's digital mailman. 2way business class communication including SMS, Email, Fax, secure messages, messages with a digital signature. In operation since 1998 and with more than 1000 customers.
Virtual PBX Phone System to set your organization up for success with a comprehensive virtual PBX solution with unlimited extensions, call forwarding, CRM integration, and more.


Unifonic is a customer engagement platform that enables organizations to delight customers with remarkable omnichannel experiences. By unifying communication channels, messaging apps, and chatbots, Unifonic streamlines conversations at every touch point throughout the customer...
SMS Privacy allows you to buy mobile phone numbers, using Bitcoin, with completely anonymous signup. We don't even take an email address if you don't want to supply one. You can send and receive SMS text messages on these anonymous numbers using our web interface.
In less than 5 minutes, your customers or site visitors can call you directly from your website with a simple click of a button. Talk to your customers before they leave.
