Best Communication APIs - Page 2
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Compare the Top Communication APIs as of December 2025 - Page 2
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1
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 CommitmentStarting Price: €9 per month + 4.40 cts / SMS -
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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!Starting Price: $0 -
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Sceyt
Sceyt
Fast, reliable chat features - deployed swiftly, enhancing engagement and user connectivity. Sceyt’s unique binary messaging protocol is like an express lane for your messages. Combining Protobuf and Websockets technology results in super low-latency. Conversations flow smoothly and responses are near-instant. Whether you want to offer financial advice, connect users with healthcare professionals, or provide ecommerce customer service, Sceyt is versatile enough to handle all your app chat use cases. Sceyt gives you a control room to manage your chat features. The easy-to-use dashboard lets you assign different permissions to team members. In-depth stats give you a bird’s eye view of user interaction. Plus, a range of moderation tools make sure your app remains a safe space for users.Starting Price: $59 per month -
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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 -
5
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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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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TalkJS
TalkJS
TalkJS is a full-featured chat API you can add to your website or mobile app. It comes with a fully featured chat UI and works seamlessly with any language or framework. You can have a chat solution up and running in a matter of hours. Javascript SDK Seamlessly integrate two-way chat with talk.js, our real-time messaging infrastructure and our great UI. Fully featured Everything you want in a messaging app. Reliable and scalable. Real-time, cross-platform synchronization. Ship faster Turn any <div> into a full-fledged messaging app. Up and running in 10 minutes. Works with your framework or programming language Most of your TalkJS code will live in the frontend, which means that it will work seamlessly with any language or framework. This includes React, jQuery, Angular, VueJS, PHP, Laravel, Ruby on Rails, Python, Django, ASP.NET MVC, .NET, Java, NodeJS, and so on.Starting Price: $49.00/month -
8
Bandwidth
Bandwidth.com
You want the best quality voice, messaging, and more. To get them, you need the only API provider with its own nationwide network. You can eliminate the middleman, save on costs, give yourself more control, and build the application that your customers are craving. You’re not new to this, but you need a partner to help you reach the scale you know you’re capable of. Whether you’re bringing your own carrier or building your own solution from the ground up, Bandwidth has the tools you need to reach your maximum potential. Bandwidth is a communications platform with limitless flexibility. You need integrations, enterprise-class APIs, and tools to manage your communications stack intelligently. We are open where you need it the most, with optionality and control. Our global network is directly connected to where it matters most. Giving unmatched reliability. Bringing your customers closer. Scaling wherever your business takes you. -
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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. -
10
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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Sunshine Conversations
Zendesk
The messaging platform for conversational business. Sunshine Conversations lets you unify messages from every channel into a single conversation, and build interactive messaging experiences anywhere. The way we communicate has fundamentally changed. With more than 5 billion accounts worldwide, messaging apps like Facebook Messenger, WhatsApp, and WeChat have made it easy to connect in a more personal way with friends and family from anywhere in the world. Businesses already know they need to be where their customers are. But with the growing number of channels and constantly changing technology, it’s become harder than ever to manage conversations across channels. With the rise of bots, AI, and interactivity in messaging, these channels are quickly evolving from places we chat to places where we do business.Starting Price: $145 per month -
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Webex Connect
Cisco
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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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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Kloudless
Kloudless
SaaS App Integrations Made Fast and Easy. Kloudless is an API integration platform that unifies endpoints and data models across many SaaS APIs so that you can code just once and instantly integrate your app with many SaaS providers. We figured out the ins and outs of 150+ APIs so you don’t have to. We learned how to talk to and maintain over 150+ APIs so that you don't have to. Partner with us to help your app integrate with any SaaS app that your customers want. Our Unified APIs unify endpoints and data models across many SaaS APIs so that you can code once and integrate many. Our Unified APIs abstract away the differences between many SaaS APIs, making it simple to build integrations quickly get new features to market. We offer extra features like real-time activity monitoring and pre-built tools like the File Picker and Crawler that the SaaS provider doesn’t even offer. -
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ChatCamp
ChatCamp
Realtime Chat SDK and Messaging API for Apps & Websites. Integrate in-app messaging in your mobile apps & websites using ChatCamp platform. Product architecture to scale infrastructure on the go. Perfected for handling thousands of users at a time. We use world class infrastructure of Google Cloud Platform to provide most reliable service. We follow best practices of the industry to insure data security and privacy. Focus on building your application. No need to worry about building chat from scratch. We have got you covered. Use our chat SDK and messaging API to build a fully functional chat application. Android, iOS, Javascript and Platform API.Starting Price: $199 per month -
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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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8x8 APIs
8x8
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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voximplant
voximplant
The industry’s true serverless platform for voice, video, and messaging APIs trusted by thousands of developers around the world to innovate and scale real-time communications for businesses of any size. -
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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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Sangoma Wholesale Carrier Services (formerly VI Communication Services) is designed to allow Internet telephony service providers (ITSPs) and managed service providers (MSPs) to easily provide high value services that their customers expect without any hassle. Businesses can also leverage our communication APIs to empower their applications with voice and messaging features, allowing them to easily communicate with their clients. As an ITSP, MSP or VAR, support your existing retail SIP trunking customers and sell phone numbers and other VoIP services not typically available within your network reach, adding new revenue streams. Or if you are just getting started, offer new retail SIP trunking service and bundle features you want to offer your new customers, such as messaging, conference bridging and more.
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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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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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Azure Communication Services
Microsoft
Build rich communication experiences with the same secure platform used by Microsoft Teams. Azure Communication Services brings rich communication APIs to all your applications across any device, on any platform, using the same reliable and secure infrastructure that powers Microsoft Teams. Reach customers anywhere with a fully managed communication platform. Deliver video, voice, chat, and text messaging experiences anywhere your users are - across your applications, websites, and mobile platforms. Use a reliable global platform trusted by millions of users daily. Reach more users without compromising security, using the most secure and compliant cloud. Connect users across web and mobile apps. Add communications workflows to applications with flexible SDKs and APIs for common platforms and languages including iOS, Android, Web, .NET, and JavaScript. Benefit from a global, low latency network that auto-scales to meet your demand. Deliver reliable enterprise-grade calling, and chat. -
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Aculab Cloud
Aculab
Aculab Cloud gives you powerful, programmable, easy to integrate APIs which allow you to make, take and interact with voice calls, send and receive SMS messages, and handle inbound and outbound fax - all with pay-as-you-go pricing and no specialist telephony equipment needed. Aculab Cloud builds upon Aculab’s core competence by combining complex technologies into a powerful, flexible and easy to use platform. Backed by a team of highly experienced engineers, Aculab empowers communication system developers around the world. In collaboration with Google and Amazon, we provide services, systems and software, already deployed in over 80 countries worldwide. We use proprietary Artificial Intelligence (AI) together with hand-crafted algorithms designed and refined through extensive experience in the use of telecommunications "in the wild". Designed in-house by engineers with an in-depth understanding of telecoms. -
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teli Messaging
Commio
Send any text campaign, alert, or notification effortlessly with teli’sMessaging API platform by Commio. From short to long code to toll-free SMS/MMS, we handle everything from campaign registration to message transmission and everything in between. Send millions of messages through major gateways to get your content delivered, faster. Plus, you can rely on our messaging delivery notifications and diagnostic tools to help you keep critical communications flowing. Our messaging experts are here to turn your vision into reality. Forget cookie-cutter messaging APIs, your use case is unique. We’ll size up your solution then work with you one-on-one to bring it to life. Because one-size-fits-all works for T-shirts, not business-critical messaging.Our SMS/MMS APIs give you the power to embed programmable messaging into any platform or application. With enterprise scale built-in, we can help you send more SMS messages, faster. -
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HandySends
HandySends
Cloud Communication API integration platform helps you to integrate Email, SMS, and WhatsApp functionalities with a set of free software libraries. Intuitive on-brand triggered transactional email service with powerful API or SMTP servers and with a great email framework. Send a primitive, trustworthy, customized SMS with our Transactional SMS Service, perhaps the most impressive approach to reach your clients. Send messages securely, deliver notifications, customer care on the world’s most well-known messaging application WhatsApp with HandySends APIs and programming. Trim down your bounce rate to boost performance using our real-time Email validation API resulting in better delivery. -
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Iotum
iotum
Augment your offering by adding cloud-based voice and video solutions to your existing platform. Explore how iotum's out-of-the-box APIs and SDKs enable interactive engagements within your existing app, website, or platform. Strengthen your customer relationships by using the communication method they prefer. Engage with your audience in real-time, on any platform, from anywhere, through the addition of video and voice with iotum’s API and SDK solutions. Iotum utilizes the VP9-SVC codec, the latest in video technology that uses less bandwidth for the same top-notch video quality, and is able to maintain better video quality under poor internet conditions. Iotum has media servers distributed worldwide that use global low latency, ensuring all participants have crystal clear connections, no matter where they are. Iotum offers collaboration features such as annotation, whiteboards, laser pointer, and instant chat a-la-carte so that your developers don’t need to build in-house. -
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Sudo Platform
Anonyome Labs
Sudo Platform is an API-first, developer-focused ecosystem that delivers the tools necessary to empower our partners to quickly and completely deliver to end-user consumers the necessary capabilities to protect and control their personal information while navigating the digital world. It provides a modular, quick to implement, and powerful collection of the most important digital privacy and cyber safety tools. including safe and private browsing, password management, VPN, virtual cards, encrypted and open communications, and decentralized identity. This developer-focused platform includes: Developer-focused documentation API-first ecosystem SDK source code via GitHub Sample applications for test-to-deploy of various capabilities Vendor-brandable (white-label) apps for quick go-to-market deployments. -
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MinChat
MinChat
MinChat is a chat SDK that allows developers to easily integrate in-app chat messaging functionality into their app or website within minutes, saving you months of development time. It includes a chat UI builder and chat SDK documentation, and is scalable and able to support concurrency. The platform offers personalized support and allows users to customize the chat UI without writing code. MinChat can be used to create a variety of in-app chat experiences and is designed to make it easy for developers to build in-app chat features quickly.Starting Price: $49 -
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Nexa|Voice
AWARE
Nexa|Voice is an SDK that offers biometric speaker recognition algorithms, software libraries, user interfaces, reference programs, and documentation to use voice biometrics to enable multifactor authentication on iOS and Android devices. Biometric template storage and matching can be performed either on a mobile device or on a server. Nexa|Voice APIs are reliable, configurable, and easy to use, complemented by a level of technical support that has helped make Aware a trusted provider of quality biometric software and solutions for over twenty-five years. High-performance biometric speaker recognition for convenient and secure multifactor authentication. The Knomi mobile biometric authentication framework is a collection of biometric SDKs running on mobile devices and a server that together enable strong, multi-factor, password-free authentication from a mobile device using biometrics. Knomi offers multiple biometric modality options, including facial recognition.
