Alternatives to Authkey

Compare Authkey alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Authkey in 2026. Compare features, ratings, user reviews, pricing, and more from Authkey competitors and alternatives in order to make an informed decision for your business.

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    Sendbird

    Sendbird

    Sendbird

    Sendbird is the omnichannel AI agent platform enterprises choose to elevate customer experience, by initiating autonomous support & sales conversations, keeping humans in the loop for complex inquiries, and re-engaging customers with proactive business messages. Combining omnichannel AI and a battle-tested, award-winning communication APIs, Sendbird enables businesses to build AI agents and meaningful customer connections at scale. Sendbird’s AI-powered customer service platform helps businesses deliver scalable, omnichannel support through intelligent AI agents. These agents work seamlessly across channels like mobile apps, web, SMS, and social media, providing instant and proactive assistance to customers 24/7. With the ability to integrate into existing customer support tools, the platform enhances resolution rates, reduces response times, and improves customer experience by offering a unified view of all interactions.
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    Twilio

    Twilio

    Twilio

    Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.
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    Signalmash

    Signalmash

    Signalmash

    Why work with giants like Twilio where your support requests will take forever to get a response? Signalmash is not just a CPaaS provider, we take pride in providing the best possible CPaaS support. Your developers can have a shared Slack channel with our developers for instant support. You can speak to our CEO anytime. Real-time and top-notch support means shorter development cycles and enables you to provide exceptional support to your own customers. SMS services we offer: SMS API SMS CPaaS SMS UCaaS SMS no-code sending platform 10DLC campaign support Short code SMS Toll-free SMS Voice services we offer: Contact center telecoms Voice termination Voice orgination Local numbers Short code numbers Toll-free numbers SIP Trunking Our No-code telecoms solutions: UCaaS to send SMS CCaaS to manage phone calls AI solutions Signalmash - experience the highest level of support, every step of the way - book a call with us to get expert advice!
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    Twilio Voice
    Create a scalable voice experience with the API that connects millions globally. With Twilio Voice, you can build unique phone call experiences with one API, to create, receive, control and monitor calls with just a few lines of code. Create an engaging voice experience that you can quickly scale and modify with a wide array of customization options and resources, like our Voice SDK. Then, add on features like Interactive Voice Response (IVR), recording transcriptions, and speech recognition to create an experience that your customers will appreciate. Whether you're looking to set up global conferencing or alerts & notifications, Twilio has the support you need for building with Voice. Find docs, code samples, helper libraries, and developer tools such as Twilio Runtime and our visual workflow builder, Studio.
    Starting Price: $0.0085 per min
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    Infobip

    Infobip

    Infobip

    Infobip is a global leader in omnichannel engagement powering a broad range of messaging channels, tools and solutions for advanced customer engagement, authentication and security. With over 700 direct carrier connections and 60+ offices on 6 continents, Infobip is the #1 choice of some of the world's biggest companies to scale their customer communications. We help our clients and partners overcome the complexity of consumer communications, grow their business and enhance customer experience, all in a fast, secure and reliable way. With Infobip, you can achieve deeper customer engagement across the widest selection of local and global channels, including: SMS MMS RCS Live Chat WhatsApp Business Apple Messages for Business Facebook Messenger Instagram Business Telegram Viber Voice / VOIP Video Email
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    SignalWire

    SignalWire

    SignalWire

    An elastic communications cloud with advanced APIs for voice, SMS and video designed by the original geeks of software-defined telecom. When your audience is large, your brand is premium, and you won't settle for janky video conferencing UX, you want this. Real time, granular control over call flows, routing, and codecs. 300% more responsiveness than you get with REST. If you use AI in your voice apps, you just found your new favorite API. If you're more comfortable with REST than WebSockets or already use TwiML, these APIs are like TwiML...if TwiML suddenly knew Kung Fu. The SMS API makes it easy to move your expensive SMS traffic to SignalWire and cut your billio 50-80% in the process. Launch and scale communication products on infrastructure built for this decade and the next rather than running aground on the limitations of 2010s-era SaaS. Persistent, bi-directional connections between your video and voice apps and our infrastructure means 300% more responsiveness.
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    Telnyx

    Telnyx

    Telnyx

    See how the developer friendly Telnyx API can transform your business communications. Telnyx is an all-in-one communication platform designed to be tailored exactly to your needs. We created our network with real-time communications in mind so we can deliver quality calls, messaging, and data around the world. Easily build reliable messaging with our SMS API. Keep your data safe by setting up two-factor authentication using SMS or voice codes. Plug and play your VoIP setup in minutes and get carrier-grade voice with elastic SIP trunks. Our cloud-agnostic approach means you can rest easy knowing you are protecting in case of a network failure. With Telnyx deploy communications exactly to specifications.
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    smsmode

    smsmode

    smsmode©

    Communication Platform As A Service (CPaaS). smsmode© provides complete mobile messaging routing services. SMS, TTS, Google RCS or WhatsApp Business. Connect with your customers around the world via our innovative and powerful tools, with the level of security you need to ensure. smsmode© integrates easily with your existing tools to increase their potential through mobile messaging. Use our REST API, SMPP and plugins to create these custom integrations with your applications, CRM, ERP, and more. Our documentation and our experts will help you to reach your goals! European solution GDPR compliant ISO 27001 & 27701 99.95% SLA Responsability Europe CSR Commitment
    Starting Price: €9 per month + 4.40 cts / SMS
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    ClickSend

    ClickSend

    ClickSend

    ClickSend is a simple, global SMS platform built for developers and the businesses they support. Built on a battle-tested API that always delivers with: - Billions of messages delivered globally - Direct routes only to 190+ countries - 99.95%+ uptime - Lightning-fast delivery - Pay-as-you-go pricing — no lock-ins - 24/7 support from people who actually understand APIs - It works straight out of the box — and keeps working as you scale. Already use Zapier, ActiveCampaign, Make or Power Automate? There are pre-built integrations ready to go. Sign up and send your first message in minutes with free test credits. Perfect for: alerts, 2FA codes, marketing campaigns and transactional messaging.
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    Starting Price: $20 minimum topup
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    Gupshup

    Gupshup

    Gupshup

    Headquartered in Silicon Valley, Gupshup is a leading conversational messaging platform that enables businesses to build engaging conversational experiences seamlessly across 30+ messaging channels using a single API. Gupshup offers an easy-to-use omnichannel messaging API, advanced bot-building platform and mobile marketing tools. Gupshup's messaging platform handles over 6 billion messages per month enabling over 39,600 businesses send messages to several billion users across popular messaging channels such as SMS, Voice, WhatsApp, Mobile Web, Android RCS, Instagram, Twitter, Telegram, WeChat, FB Messenger, Slack, Viber, Skype and many more. Gupshup's constant innovation enables it to offer market leading features on its platform, enabling developers to build Interactive, Programmable and Rich omni-channel CX journeys across messaging services
    Starting Price: $0.01
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    Routee

    Routee

    AMD Telecom

    Routee is an intelligent omnichannel communication platform (CPaaS) offering advanced Web and API automation for all industries worldwide. Powered by AMD Telecom’s robust infrastructure, Routee's services enable businesses to optimize their marketing & business processes. -SMS Marketing: tailor-made messages based on customers' individual preferences -Email Marketing: personalized newsletters & email campaigns based on an audience's behavioral data -Transactional Email: automated emails to customers on important data regarding their transactions -Marketing Automation: rich forms & customer data capture, automation of repetitive marketing tasks, and tracking of marketing campaigns -Two Factor Authentication: a second layer of security with fallback through SMS, Voice, Viber & Missed Call -Cloud IVR: multilingual capabilities, turning speech into text, & text to human-sounding speech -Push Notification: personalized web & mobile push notifications, based on segmentation and user
    Starting Price: $0.01 one-time fee
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    Bird

    Bird

    Bird

    Bird (formerly MessageBird) is the next-generation CRM for Marketing, Sales, and Payments, powering over 5 trillion annual messages across Email, SMS, and WhatsApp. Leading brands grow cost-efficiently with Bird through personalized interactions on Email, SMS, and WhatsApp. The world's most innovative companies build communication solutions using Bird's applications and APIs. Get started today and talk to your customers over any channel, for any use case, anywhere in the world. Marketing messages, push notifications, order updates, delivery alerts and more. Operational bottlenecks slowing your growth? Use automated conversations and workflows to collect critical information up front, reduce manual tasks, implement self-service flows, and route chats to the right agent. Get up and running in minutes on our reliable, auto-scaling APIs with extensive documentations, complete API references and intuitive SDKs.
    Starting Price: $45 per month
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    MirrorFly

    MirrorFly

    CONTUS TECH

    MirrorFly is a CPaaS platform that empowers businesses and enterprises to add real-time chat features to any app. MirrorFly CPaaS offers chat, voice, video,& broadcasting in an enterprise-grade infrastructure. MirrorFly AI Voice Agent solution is uniquely built for developers who want more than basic communication – specifically for businesses that want to go AI-driven Startups and large enterprises can build their own chat app with extensive customization and branding capabilities to add logos, brand color, and other brand elements. The self-hosted Chat APIs and SDKs offer 1000+ in-app messaging features with 100% customization. In addition, MirrorFly offers a dedicated developer team to support the end-to-end custom chat app development process. MirrorFly Readymade SDKs: 1. In-app Chat API 2. HD Video Call Solution 3. HQ Voice Call SDK 4. Self-hosted Chat Messaging Solution 5. SIP & VoIP Call Solution 6. AI Voice Agent 7. AI Chat Bot
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    Starting Price: $299 per month
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    Sinch

    Sinch

    Sinch

    Engage your customers like never before - on any channel. CPaaS and APIs for SMS, Voice, Video & Verification. Reach every mobile phone on the planet, in seconds or less. Engaging your customers the right way can help you more than double webshop orders. We know - we helped a major telco company do just that with a friendly online chatbot. We helped a major automative company re-engage and convert end-of-funnel prospects not responding to email. The results of the personalized Rich SMS campaign speak for themselves. Are your customers missing appointments? Engaging SMS reminders help both them and you, making you more revenue. Tried and trusted by developers around the world. Build with confidence and boost your business - with just a few lines of code. Get closer to your customers and add value to every step of their journey.
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    TeleSign

    TeleSign

    TeleSign

    Deliver timely, personalized information through global SMS/RCS and voice cloud communications. Gain a deeper understanding of your customers from actionable global phone number and subscriber data intelligence. Code once and message your customers at scale using TeleSign’s Messaging API - complete with waterfall delivery between channels. TeleSign Messaging API includes SMS, RCS, and WhatsApp to help you build secure digital communications that connect you with your customers anywhere in the world. Integrate a single Messaging API and start sending reliable, secure SMS, RCS and WhatsApp messages to your customers today. Choose one or all three channels to broaden your programmable messaging strategy and expand your audience. Reach more customers with 120+ optimized points-of-presence and 700+ direct-to-carrier routes​.
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    Webex Connect
    An API and low-code Communications Platform as a Service (CPaaS) offering designed to help enterprises lower cost, reduce complexity, and accelerate IT roadmaps. Map and automate customer journeys in minutes using a drag-and-drop editor with powerful building blocks (nodes). Shift to low-code development to reduce the time to market for new applications and journeys. Seamlessly consume events from existing systems to trigger customer communication flows. Integrate customer interactions with backend systems to achieve end-to-end automation. Easily test, deploy, and make iterative changes to flows in a secure and scalable serverless environment. Leverage our extensive portfolio of communication APIs and SDKs for SMS, voice, push, RCS, WhatsApp, video, etc., to engage customers on their preferred channels.
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    Stream

    Stream

    GetStream.io

    Why spend months building in-app activity feeds and messaging from scratch when you can implement in just weeks with Stream's activity feeds and in-app chat APIs? Stream's reliable APIs, developer-friendly SDKs, and flexible UI kits enable product teams to quickly integrate polished communication functionality often found in social media platforms such as WhatsApp, Facebook Messenger, and Instagram. With an industry-leading 99.999% uptime SLA, over a billion end users, and 5 million concurrent connections recently supported in a single chat channel, Stream's APIs are highly scalable, making them ideal for enterprise-grade businesses and growing startup platforms alike. Ship fully-featured activity feeds and in-app chat functionality faster with easy-to-use software components that give your product a competitive edge.
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    EmailLabs
    EmailLabs is part of the Vercom S.A Group, which implements technology solutions in the CPaaS model. We are a cloud SMTP server infrastructure: Cloud SMTP & Email API. With years of experience in sending to the most informed senders, we can make a measurable contribution to building email reputation and improving deliverability. We take care of standardization and security of both marketing, transactional and system messages of our customers. Thanks to the in-depth knowledge of our experts, we are able to prepare the infrastructure to ensure appropriate throughput and increase the sending speed for any market and any mailbox provider. Plug EmailLabs into your transactional sends - start sending in less than 5 minutes.
    Starting Price: Free
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    QuickBlox

    QuickBlox

    QuickBlox

    Build your own messenger with chat and video calling in minutes using QuickBlox chat API and SDK. QuickBlox provides instant messaging API that allow chat and calling functionality to be added to any Android, iOS, or Web application. All features that you need to build a great messaging application. High quality one‑to‑one and group calling built on WebRTC. Flexible data and file storage that compliments your messaging. Integrate your current business processes with real‑time alerts and notifications. Share and link all types of files (images, audio, video, docs, and other file formats). Over 30,000 software developers and organizations worldwide are using QuickBlox messaging API. QuickBlox is a HIPAA‑compliant chat solution trusted by Healthcare businesses worldwide. We serve a variety of customers ranging from large corporations storing millions of healthcare and insurance records to startups entrusting their telemedicine communication to us.
    Starting Price: $99 per month
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    CEQUENS

    CEQUENS

    CEQUENS

    Thousands of businesses rely on our cloud communications platform to build stronger connections with their customers. Communication Platform supports the world’s most innovative technologies and combines all possibilities making it a reliable tool for digital transformation and global connectivity. Send promotions, push notifications, delivery alerts, order updates, data surveys – whatever you can think of. Use rich media chat and chatbots to empower your teams and cater to every client’s needs – anytime, anyplace. Access a wide library of API references and custom-build your workflows as you see fit. Protect user identities or accounts against online fraud through secure 2-factor authentication and seamless verification experiences.
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    CometChat

    CometChat

    CometChat

    CometChat is a chat API and in-app messaging SDK (software development kit) that enables users to integrate HD voice and video calling, as well as text chat functionality directly into their mobile and web apps. CometChat also supports features such as push notifications, read receipts, typing indicators, real-time translation, and more. CometChat allows users to create their own user interface for private or group chat applications. Customization tools let users personalize various elements of their chat app. The platform also provides users with the tools to add voice, and video calling and conferencing capabilities to their apps or websites. Users can also send and receive media files through CometChat, as the platform enables users to sync and share files like GIFs, photos, videos, and audio clips. Support for custom payloads mean users can send calendar invites, or share information like their location or event details to chat participants.
    Starting Price: $109.00/month
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    Soprano

    Soprano

    Soprano Design

    Enrich Your Communications Mobile communication is becoming increasingly Interactive. Your customers and employees will appreciate the ability to engage with your brand in the channel they prefer to use, whether it is traditional technology such as SMS, Voice, and Email, or newer exciting and more interactive IP-based social texting channels such as WhatsApp Business or RCS Chat for Google Android Messages. Join leading enterprises and government organisations globally and move onto a powerful Communications Platform as a Service (CPaaS) administration platform with messaging tools such as configurable templates, content masking, IP address filtering, prioritization, localization and more. Information is your most valuable asset, move to a secure IP messaging environment for your internal operations, workflows and incident management, and learn how to leverage Messaging as a Platform.
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    Unipile

    Unipile

    Unipile

    Unipile is a unified API designed to integrate multiple communication channels, messaging, email, calendar, and more, into your software application. It provides over 500 endpoints that enable developers to connect platforms such as LinkedIn, WhatsApp, Instagram, Gmail, Outlook, and IMAP into a single unified inbox. With Unipile, you can send and retrieve messages across channels, manage calendars (Google/Outlook), sync conversations in real time, and maintain full historical context across channels. The API supports functions such as starting chats, retrieving message threads, scheduling events, and connecting profile data, all through the same interface. Use-cases include ATS/CRM software publishers, outreach tools, no-code builders, and AI agent platforms, anywhere multi-channel communication needs to be embedded into an application. Unipile also emphasizes rapid integration, developer-friendly documentation, and live support.
    Starting Price: €49 per month
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    Vonage Communications APIs (Nexmo)
    Creating Customer Journeys Through Conversations. Engaging experiences that move with your customers. Loved by developers. Built for business. Vonage Communications APIs (formerly Nexmo) helps growing startups and agile enterprises enhance their customer experience and realize new business outcomes at scale. With our easy-to-use APIs, global platform, and expert support, you can abstract the complexity of communications and innovate faster. Reimagine voice interactions to redefine your customer experiences. Make each message count as an opportunity for your customers and your business. Enhance security and privacy—and create seamless login experiences. Build modern, high-quality voice applications in the cloud. Programmatically send and receive SMS in practically every country. Get real-time intelligence on any phone number in the world. Make and receive calls from the cloud with your existing VoIP infrastructure.
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    mesibo

    mesibo

    mesibo

    mesibo is a powerful real-time communication platform to quickly add robust real-time messaging, group chat, voice, and video calls, conferencing into your mobile and web applications. The key objectives while designing mesibo APIs were reliability, performance, and scalability. We have seen APIs as complex as the universe making apps unnecessarily complex and error-prone. We have instead worked hard to make mesibo APIs simple, yet powerful. In this section, we will explore mesibo real-time APIs in detail. It is highly recommended that you also refer to the source code of one of the mesibo sample app in GitHub to learn how APIs are used. This makes it easy for you to write cross-platform code across platform. In the following sections, we will describe APIs with name and parameters.
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    EnableX Communications APIs
    EnableX makes integrating real-time communications into applications and workflows a lot easier. Designed and developed for Service Providers, Systems Integrators, and Developers, it provides a robust, scalable and secure communications platform without the complexity of building and maintaining the network infrastructure. By simply leveraging on EnableX comprehensive sets of programmable APIs and SDKs, developers can rapidly customize and embed all or part of the communication functions – voice, video, SMS and chat – right into existing applications, workflows and systems. Together with the Virtual Number services and advanced features such as AI and NLP, businesses can reach customers globally with an outstanding communication experience.
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    Agora

    Agora

    Agora.io

    The Real-Time Engagement Platform for meaningful human connections. People engage longer when they see, hear, and interact with each other. With Agora, you can embed vivid voice and video in any application, on any device, anywhere. Agora provides the SDKs and building blocks to enable a wide range of real-time engagement possibilities. Our network monitors activity in real time and automatically selects the most efficient routing path for sub-second latency globally across 200+ data centers. Compatible with all popular development platforms and mobile-device friendly with minimal battery consumption. Architected to withstand sudden spikes in traffic, gracefully scaling from one to millions of concurrent users as your business demands. Developers can create unique experiences with our extensive APIs, customizable UI and pre-integrated third-party extensions. Deliver the best quality real-time voice and video to your users with ultra-low latency and intelligent routing.
    Starting Price: $0.0265 per minute
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    DecisionTelecom

    DecisionTelecom

    DecisionTelecom

    DecisionTelecom is a global provider of Application-to-Person (A2P) messaging and voice communication services, offering an omnichannel platform for business messaging worldwide. As a licensed telecommunications operator, they provide direct channels for seamless integration with mobile network operators, ensuring high-quality message delivery across more than 190 countries. Their services include SMS, Viber, WhatsApp Business messaging, RCS, and high-quality voice calls, all accessible through user-friendly APIs and SDKs for easy integration into existing systems. Decision Telecom's mission is to enhance and simplify communication between companies and their clients, providing 24/7 professional support and personalized account management to ensure reliable and efficient service.
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    Azmarq

    Azmarq

    Azmarq Technovation

    Azmarq is a CPaaS Company having Cloud based platform offering SMS marketing software. It enables businesses to connect, engage and grow customers using cloud based portfolio of services including SMS, RCS, Voice, Email, WhatsApp, Google Verified SMS, and Chatbots with agile marketing automation solutions. It also provides a marketing automation tool that automates data ingestion, content creation, customer journeys, campaign triggering, and real time reports. It provides solutions to over 600+ enterprises and expands its portfolio to simplify engagement and increase conversions.
    Starting Price: $0.003
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    Video SDK

    Video SDK

    videosdk.live

    Saving your time in building UI and features for your video calling application. With just 5 lines of code, you'll be able to integrate video calls into your application. Generate API Key to eastablish connection in-between your app to Video SDK. It enables end-to-end secure connection in-between your app and our servers. Install the simple JavaScript code in your website. In just few lines of code, you can build interactive video calling app. Analytics Dashboard will help you to monitor all the usage of services and also provide manual operations control. Everthing you need to build custom and branded live shopping experiences for eCommerce brands at any scale. Everthing you need to build custom and branded highly secure telemedicine communication APIs and SDKs at any scale.
    Starting Price: $0.6 per min
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    Syniverse CPaaS Concierge
    Syniverse CPaaS (Communications Platform as a Service) Concierge is a cloud-based, omnichannel messaging platform that connects businesses to their customers in a more meaningful and simplified way. Through a single platform and a library of connectors, businesses can sync their own applications with their communications to reach all of their customers instantly through the mobile channels of their choice. Our CPaaS solution is designed to simplify and accelerate digital transformations, regardless of where a business is in their journey. With our flexible, plug-and-play approach, businesses can customize the platform to fit their budget, capabilities, unique requirements, marketing strategies, and CX needs. As no single mobile channel reaches all your audience, it is important to connect to as many mobile channels as possible to ensure you can deliver a positive customer experience to anyone, regardless of the mobile channel they prefer.
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    Dyte

    Dyte

    Dyte

    Dyte's Video SDK and APIs are SOC 2, GDPR and HIPAA complaint. That lets you embed scalable, customisable and interactive video calls within minutes into your Web, Desktop or mobile apps. Collaborate efficiently with HD video, chat, screen sharing, whiteboard, emoji reactions, file sharing and everything a user packaged within one SDK. Dyte's Video Conferencing SDK & APIs are comfortable with React JS, Angular, JavascriptMobile: Flutter, Kotlin, Swift, React Native, Android, iOSDesktop, Electron. With an uptime of 99.99%, industry-leading documentation and out of the box plugins, customize the video experience for your ed-tech, tele-health, fitness, HR-tech, social or gaming platform. Use Dyte's SDKs to build fully custom video experiences powered by a robust infrastructure. With our out-of-the-box chat, plug-ins, recording, and several useful features, Dyte is an all-in-one SDK to help you take video collaboration to the next level. Dyte offers 10K free credits each month
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    Plivo

    Plivo

    Plivo

    Access high-quality cloud communications at a low cost with Plivo Communications Platform, a Cloud API Platform and a Global Carrier Services Provider. Plivo Communications Platform enables users to make phone calls to all countries, buy local phone numbers in 55 countries, send SMS to all countries, and more. Available 24/7, Plivo Communications Platform also features free tech support by experts that are happy to assist customers with their issues.
    Starting Price: $.005 / SMS
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    Nylas

    Nylas

    Nylas

    Billions of people. Trillions of connections. One API. The Nylas APIs power applications with email, calendar, and contacts sync from any inbox in the world. Only Nylas provides one API for 100% of email, calendar, and contacts integrations. Add missing information in contact records. Make warmer intros with the help of a connection graph. Compile data from each address book to create a unified data source. Straightforward, universal connectivity to lower your costs, save time, and increase developer productivity. Transform data into insights and personalize the user experience. Fuel innovation with unique customer intelligence. Automate digital processes to drive business growth. Streamline user workflows with powerful scheduling automation. Discover how organizations just like yours are driving engagement and increasing customer satisfaction with the Nylas APIs.
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    YCloud

    YCloud

    YCloud

    YCloud offers an all-in-one solution with best-in-class features at highly competitive and flexible pricing. Providing critical communications infrastructure to help businesses build and scale. Web-based solution to schedule messages with efficiency and freedom. Grab attention and delight customers with personalized marketing campaigns on every channel, no code required. Connect with thousands of apps to automate your work and have more time for what matters most, no code required. Support two-way messaging and maintain a continuous connection with SMSC and guarantee multiple session connectivity and higher throughput. Multi-factor authentication via SMS, voice, WhatsApp, and email. Stay secure and prevent fraud, data breaches, or revenue leakage. Support two-way messaging and maintain a continuous connection with SMSC and guarantee multiple session connectivity and higher throughput. Connect with thousands of apps to automate your work and have more time for what matters most.
    Starting Price: $0.001 per email
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    Mtalkz

    Mtalkz

    Mtalkz Mobility Services

    Mtalkz is a Cloud based platform offering SMS marketing software. It enables businesses to connect, engage and grow customers using cloud based portfolio of services including SMS, RCS, Voice, Email, WhatsApp, Google Verified SMS, and Chatbots with agile marketing automation solutions. It also provides a marketing automation tool that automates data ingestion, content creation, customer journeys, campaign triggering, and real time reports. It provides solutions to over 400+ enterprises and expands its portfolio to simplify engagement and increase conversions.
    Starting Price: $0.003
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    Sense

    Sense

    Ipcom

    Sense, our CPaaS platform, comes with innovative and cutting-edge processes, its easy and practical handling of the platform and APIs, gives added values ​​that are not easily found in the market. Based 100% on the cloud, manage and manage your voice processes, SMS and recording. Sense is omnichannel, it is our platform for CPaaS (Communication Platform as a Service). Makes synapses between voice functionalities SIP Trunk, DID'S, SMS, recording, playback of calls, and reports. It is 100% cloud-based and allows immediate telephony connections, SMS, recording, and digital channels. Sense offers APIs that integrate all the client needs so that your company controls its services and payments. Product sales and payment collection. Customer service, marketing, and payment collection. Call center, contact center, and BPO. Sales, product information, and service information. We're dedicated to finding communication solutions that demonstrate how to clearly and efficiently relate to users.
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    AWS Communication Developer Services
    AWS Communication Developer Services (CDS) are cloud-based APIs and SDKs that help builders add communication capabilities to their apps or websites with minimal coding. Send promotions and marketing messages with top email inbox deliverability and segmented messaging. Build your application or website with scalable video technology that can support telehealth, field support, education, and more. Build an IVR system that can support touch-tone, conversation voice bots, and text-to-speech. Send messages at the right time with automated workflows and event-triggered cross-channel messaging. Determine who received messages with static or dynamic segmented lists.
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    UIB

    UIB

    UIB

    UIB is an AI-native, API-first company that simplifies human-to-machine communications, making them as natural as human-to-human interactions. Their platform seamlessly connects various communication channels, AI platforms, and connectors, including SaaS and IoT APIs, providing an infinitely scalable solution that reduces the complexity of bringing products to market. UIB's offerings include the UnificationEngine, an omnichannel Messaging Service Platform (MSP) that provides access to communication services via a single, unified API with over 50 connectors; Unified AI, a white-label conversational AI chatbot builder and virtual assistant designer that supports content management and conversation analysis in any language and media; and H2X Exchange, a marketplace for cloud connectors, RPA, and IoT integrations, enabling 360° interactions across all conversational user interfaces.
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    MSG91

    MSG91

    Walkover Web Solutions

    MSG91, a cloud communication platform strives to help businesses and developers to seamlessly add communication to their services and software through communication APIs (SMS, Email, Voice, RCS, WhatsApp, and more) and ready-to-use solutions like Cloud contact center and customer segmentation products.
    Starting Price: $10.00/one-time
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    TENIOS

    TENIOS

    TENIOS

    TENIOS is a German-based communications provider specializing in advanced AI phone assistant and telephony solutions for businesses. Their comprehensive telecom-platform offers services such as virtual phone numbers, intelligent call routing, interactive voice response (IVR) systems, SMS, RCS, and a robust Voice API for seamless integration of voice applications. TENIOS also provides AI-powered phone assistants to automate customer interactions, enhancing efficiency in contact centers and diverse sectors with high call volumes. With over two decades of experience and hosting in Germany, TENIOS ensures reliable and scalable communication solutions tailored to meet diverse business needs.
    Starting Price: €50/ month (Pay as YouGo)
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    Apphitect

    Apphitect

    Apphitect

    Seamless Integration of In-app Messaging SDK & Chat API for Mobile & Web Apps. A multi-faceted chat API & messaging SDK that supports to build instant messaging apps that power real-time communication with a native chat experience. Unified messaging API & chat SDK integration to extend the real-time communication with an extensive collaboration utilities of your Instant messaging app. The messaging SDK Can be easily integrated with third party integrations for extending the chat APIs functionality. Custom-built personal chat apps with rich UX, Voice & video call integration, Native messaging SDK support, multimedia sharing and much more. Built network communities & user-engaging social chat apps with real-time instant messaging characteristics. Apphitect instant messaging solution being a gives you the facility to create hangouts apart from one on one chats. Group chats certainly add vibrant to your mundane chat conversations.You can create hangouts on your mobile chat app.
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    IVR Technology Group

    IVR Technology Group

    IVR Technology Group

    Offer your customers secure automated payments by phone and text. We easily integrate with your gateway and customer data. Keep your customers informed with proactive automated outbound campaigns with voice, text, and email messaging. Get real-time customer feedback and satisfaction scores with inbound and outbound automated surveys by phone. Delight your customers with the self-service automation they crave. We do the heavy lifting, you enjoy happy customers. The Compass Automation Platform is our Managed Communications Platform as a Service (CPaaS). It’s a highly secure environment for voice and text applications and includes the four applications listed below, which we refine to suit your needs. As a managed platform, we handle all the application management, carrier management, and security so that your IT team can remain focused on your business.
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    Apidaze

    Apidaze

    Apidaze

    Add real-time voice, video, messaging, and more into your VoIP, web, and mobile services. No CapEx. No contracts. Pay as you grow. 100% freedom to build what you want. Handle inbound or outbound calling seamlessly with Apidaze’s Voice APIs. There is no need for complex phone systems, or commitments with large carriers. Apidaze gives you access to phone numbers in more than 8,000 cities in 60 different countries. Create simple IVRs without the need for a phone system. Play a welcome message to the caller and route the call to different people depending on the caller’s input. With 6,000,000,000 SMS being sent each day in the US, SMS has quickly become an important communication medium to keep in touch with your customers.
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    Brightlink Voice
    Voice communication is often taken for granted, but it’s the foundation of a successful omnichannel business and communications strategy. A one stop for all things voice, Brightlink Voice provides reliable global connectivity that powers calls for enterprises and communication providers over an industry leading IP-based network. With simplified pricing, our Enterprise Network Services provides you access to all of the key voice communication capabilities in one comprehensive offering. And with our CPaaS APIs, you can also build custom voice integrations into your business applications and processes. In addition to our carrier services, we have a solution designed to help both your enterprise and SMB customers better engage with customers. Brightlink Network Services provides access to key voice communication capabilities in one comprehensive bundled offering. Bundled access to essential voice capabilities.
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    8x8 APIs
    Create more engaging customer experiences at scale with SMS, Chat Apps, Video & Voice APIs. Industry standard APIs make it easy to quickly automate notifications. 24/7 customer support ensures expertise is always there when you need it. Reliable delivery provided by our global, carrier-grade platform. Reach your customers anywhere with coverage across 190 countries and 130 network operators. Reliably reach customers anywhere with notifications, one-time passwords, reminders and alerts. Reach more customers with the ability to deliver messages across many different platforms through one API. Live support with the click of a link. Convert text to speech to create tailored, private messages at scale using this API. The Campaign Manager lets you instantly start sending SMS campaigns without integrating an API. Access the online portal, upload approved contacts and start communicating.
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    RestcommONE

    RestcommONE

    Telestax

    Telestax’s RestcommONE platform is changing the way real-time communications are developed and delivered. It is fast becoming the platform of choice for rapidly building enterprise-class real-time messaging, voice and video applications. Our communications platform is 100% cloud-ready, offering continuous load balancing, scalability and high availability. With RestcommONE, everything from simple voicemail systems to a complete Communications Platform as a Service (CPaaS) can be built and deployed quickly and easily. Telestax has negotiated relationships with carriers world-wide that will move and terminate your SMS/MMS/USSD traffic at a very economical rate. But for those Enterprises and Businesses that have a trusted relationship with their own carrier, we offer Bring Your Own Carrier (BYOC). Because RestcommONE works with SMPP and SS7, any Carrier that leverages either of these protocols will easily plug into our platform. The choice is yours.
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    KANDY

    KANDY

    Ribbon

    In the battle for enterprise customers, you are competing with new market entrants that are using cloud-based communications platforms with APIs to offer communications services to Enterprises with the promise of enhacing the customer engagement experience. Kandy's unique and market-leading white-label CPaaS offers you a lot more than programmable APIs – it includes prepackaged applications called Kandy Wrappers, an ISV ecosystem and marketplace for creating vertical market applications and the ability to overlay existing SIP and UCaaS environments with our Kandy Link WebRTC Gateway. Embedded Communications means, sales making calls directly from a CRM application, doctors video-calling patients from the EHR system sharing X-rays and medical scans in real-time, students checking tutor availability and initiating a session on demand. All in high definition voice and video and integrating presence, messaging, chat, collaboration and more.
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    Exotel

    Exotel

    Exotel

    Exotel is a secure and reliable business phone system on the cloud. Simple to setup. No additional infrastructure or equipment required. Enables sales and support teams irrespective of where they work from. Build a personalized calling experience for your customers. Track, manage and build call flows using Exotel with our drag-drop builder. Set up SMS campaigns with ease. We promise you the best delivery rates. Delivery to over 190 countries. User verification made seamless over calls & SMS. Non intrusive, with the best success rates. Make it easy for your agents to make sales calls to prospective customers. Automated dialers, integrations with CRMs, etc. make it a productive experience for your sales teams.
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    LINK Mobility

    LINK Mobility

    LINK Mobility

    LINK Mobility is a leading global Communications Platform as a Service (CPaaS) provider, empowering businesses to build meaningful customer connections through secure, scalable, and data-driven communications. With over two decades of expertise and a strong local presence across Europe and America, LINK delivers omnichannel solutions that span SMS, WhatsApp, RCS, email, voice, and social messaging. Our platform combines robust APIs, advanced chatbots, AI-driven automation, and customer data intelligence to help organizations orchestrate personalized, real-time conversations that drive engagement, loyalty, and growth.
    Starting Price: 299