Authkey - SMS & WhatsApp API is described as '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' and is an website in the office & productivity category. There are more than 50 alternatives to Authkey - SMS & WhatsApp API, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Windows apps. The best Authkey - SMS & WhatsApp API alternative is UniStack. It's not free, so if you're looking for a free alternative, you could try Wazo or Fonoster. Other great sites and apps similar to Authkey - SMS & WhatsApp API are Smarter Contact, Twilio, Lead Sherpa and Textmagic.
UniStack's algorithms protect your phone numbers from getting blocked and maximize text messaging conversion.
UniStack is the most popular Web-based alternative to Authkey - SMS & WhatsApp API.
UniStack is the most popular commercial alternative to Authkey - SMS & WhatsApp API.
Smarter 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.
Smarter Contact is the most popular Android & iPhone alternative to Authkey - SMS & WhatsApp API.
Twilio 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.
Lead Sherpa is a cloud-based marketing campaign management solution that enables organizations to create, run and manage personalized marketing campaigns.
Cloud-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.
Textmagic is the most popular Windows & Mac alternative to Authkey - SMS & WhatsApp API.
Wazo 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...
Wazo is the most popular Linux & Self-Hosted alternative to Authkey - SMS & WhatsApp API.
Wazo is the most popular Open Source & free alternative to Authkey - SMS & WhatsApp API.
SMSAPI.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.
SMSAPI is the most popular iPad, SaaS & Android Tablet alternative to Authkey - SMS & WhatsApp API.
Platform for WhatsApp API that allows you Profile leads, automate follow-ups and integrate with your favorite tools to increase conversion.
Engage with your customer with voice or messaging with a single easy-to-use platform. Create a smart voice applications that meets your business needs without the clutter of unneeded features or historically burdensome customizations.
Web 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.
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.
AiSensy 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.
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