Authkey - SMS & WhatsApp API Alternatives
Sites and apps similar to Authkey - SMS & WhatsApp API include UniStack. It's paid, but Wazo is free. Other options are Telnyx, Twilio, Smarter Contact and Lead Sherpa. There's no shortage of Email Marketing Services like Authkey - SMS & WhatsApp API, with more than 50 alternatives for Android, iPhone, Windows, Mac and iPad.
Alternatives list
All-in-one cloud communications platform and API with carrier-grade voice, data and messaging capabilities. Offers voice services such as Origination, Termination and SIP trunking over the Internet.
Cost / License
- Paid
- Proprietary
Platforms
- Online
United States
138 Twilio alternativesTwilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- United States
39 Smarter Contact alternativesSmarter Contact is an SMS Marketing Software that is undisputedly the market leader in skiptracing (number lookup) using the most advanced geolocation data. The highest hit rates ensure that you're getting in touch with your customers.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Android
- iPhone
Lead Sherpa is a cloud-based marketing campaign management solution that enables organizations to create, run and manage personalized marketing campaigns.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Online
- iPhone
+1
73 Textmagic alternativesCloud-based SMS messaging service provides bulk text notifications, alerts, and campaigns. Features 2-way chat, contact management, API, mobile keywords, polling, analytics, toll-free and scheduled messaging, flexible pricing, and virtual numbers.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
United Kingdom
+6
40 Wazo alternativesWazo is mainly an IPBX that provides communication services such audio, video, and instant messaging based on the use of standard network technologies such as the TCP/IP protocol. It is interoperable with most market telephony systems and gives users access to flexible and...
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
80 SMSAPI alternativesSMSAPI.com is browser platform for bulk SMS and other SMS marketing solutions. SMSAPI offers bulk SMS, MMS, voicemailing, HLR services, shortcode, SMS notifications, newsletter SMS, MMS coupons, mail2SMS, two-way SMS and other mobile services.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- iPhone
- iPad
- Android
- Android Tablet
Czechia
EU
108 WATI alternativesWeb CRM solution using the WhatsApp Business API to automate sales, marketing, and support workflows, featuring a shared inbox, no-code chatbot builder, campaign broadcasting, third-party integrations, analytics, and secure team access controls.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Software as a Service (SaaS)
Hong Kong
Atomic SMS Sender supports 800 networks worldwide, enabling mass text ads, alerts, and notifications. Offers competitive pricing, dynamic sender IDs, free SMS testing, API integration, and a desktop or browser interface for seamless campaigns and delivery monitoring.
Cost / License
- Free
- Proprietary
Platforms
- Windows
- United States
+1
39 AiSensy alternativesAiSensy is a complete WhatsApp Engagement Platform based on official WhatsApp APIs. Solution for WhatsApp marketing, Sales & customer support. Powered with AI, this platform helps you to broadcast & automate WhatsApp messages for unlimited users.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
