Alternatives to Bandwidth
Compare Bandwidth alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Bandwidth in 2025. Compare features, ratings, user reviews, pricing, and more from Bandwidth competitors and alternatives in order to make an informed decision for your business.
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Twilio Messaging
Twilio
Twilio's Messaging API is a powerful tool that enables businesses to integrate messaging capabilities into their applications seamlessly. It offers a stable RESTful API that allows developers to send and receive SMS, MMS, and WhatsApp messages globally. With Twilio's Messaging API, businesses can automate and scale their communications, ensuring messages are delivered over the preferred channels of their customers. The API supports a variety of sender types, including long codes, short codes, toll-free numbers, and alphanumeric sender IDs, providing flexibility in how messages are sent. Additionally, Twilio's Messaging Services feature allows companies to group global senders and enable intelligent sending, automating sender selection, and handling compliance regulations. The API also supports inbound webhooks, allowing businesses to handle responses programmatically and engage in two-way conversations with their customers. -
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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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Notifyre
Notifyre
Elevate your business communications with Notifyre's secure SMS and fax solutions. We're ISO 27001 certified and fully HIPAA compliant, providing BAA's, user access controls and audit trails and more security features. Benefit from flexible pay-as-you-go fax & SMS and outstanding value receive fax plans. Fax service features include: - Online Fax Platform - Email to Fax and Fax to Email - Fax API -Online Fax Numbers -Fax Number Porting -Fax Broadcast Text messaging service features include: - 10DLC Registration -> Book a Demo for one-on-one guidance! - SMS Online, Email to SMS, SMS API - Mass Text Messaging & SMS Marketing - Subscriber Management Tools - Bulk Upload Contacts to Address Book - Create SMS Templates & Personalization Fields Outstanding value and 5-star service. Our dedicated team are here to help. We are 100% committed to providing the very best service.">
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4
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
Twilio
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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CM.com
CM.com
Mobile communication and payments solutions. Combine messaging channels like WhatsApp with innovative payments to create true Conversational Commerce. We help companies communicate. Our customers use SMS, Voice and the world’s most popular chat apps: WhatsApp, Apple Business Chat, Google RCS. Start the conversation in the channel your customers prefer and let the AI bot do the talking. Integrate commerce in the conversation to drive conversions. CM.com is a licensed Payment Service Provider, offering a range of options for any channel with Apple Pay, Google Pay, WeChat Pay, Credit Cards and local payments like iDeal and Bancontact. CM.com is also a Ticketing platform helping festivals, museums and stadiums sell and manage any type of ticket. The Customer Data Platform takes marketing to a personal level. Identity and e-sign solutions assure authentication in any transaction.Starting Price: $0/month -
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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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Weavy
Weavy
The complete in-app collaboration API and SDK. Add contextual activity feeds, chat, and document collaboration directly into your apps to increase user engagement, improve in-app retention, and reduce customer churn. All Weavy features include integrations to the third party tools your users are already familiar with: add capabilities for Zoom and Teams video conferencing, Google Drive, Dropbox, or Box file sharing, document sync and versioning contextually inside your app. Weavy allows app developers to quickly add the features that users need to be productive and interactive, directly within the app environment. With our SDK and APIs, you can deploy chat, feeds, and document sync in a matter of days, not months, and at a fraction the cost to build in-house. Focus on your core product while simultaneously adding functionality that makes your user experience not only better, but increases user engagement and dependency on your app.">
Starting Price: $0/Month -
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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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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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Telgorithm
Telgorithm, Inc.
Telgorithm is a next gen A2P text messaging API provider and the only to automate the entire SMS & MMS journey from compliance to deliverability, enabling Software Providers to grow revenue and improve customer experience. Founded by telecom industry experts who saw a massive need to set a new standard in the cloud communication space, Telgorithm’s mission is to offer a more reliable and transparent business text messaging service for your software or application. Telgorithm has built automations for the new required path of managing 10DLC messaging, and guarantees message deliverability with its unique, patent-pending throughput/rate limit management tech. Telgorithm is the future of A2P text messaging for any software or app offering SMS & MMS messaging to their customers today. Product Features: Auto Registration Auto Number Migration Smart Queueing (Automated TCR/Carrier Rate Limit Management) Message Prioritization Time Routing Advanced Reporting Number Verification">
Starting Price: $0.00500 / SMS on 10DLC -
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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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ClickSend
ClickSend
ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.">
Starting Price: $20 minimum topup -
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Textmagic
Textmagic
Textmagic is an all-in-one business text messaging platform designed to help companies send bulk texts, manage two-way conversations, and automate notifications with ease. The platform's streamlined features, such as scheduled messaging, customizable templates, contact management, and WhatsApp integration allow you to connect with customers globally in just a few clicks. Textmagic also helps you optimize and monitor SMS campaigns in real time with robust reporting tools that offer insights into delivery rates, engagement, and response times, ensuring transparency for every message sent. For businesses needing deeper integration, Textmagic’s SMS API and Zapier compatibility make it easy to connect with websites, CRMs, and other apps, enabling seamless automation. Whether for marketing, notifications, or internal communication, Textmagic can provide the tools to simplify your messaging efforts, with flexible pricing and reliable support to back up any company’s growth.">
Starting Price: $24.50/500 texts -
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thinQ
Commio
thinQ offers a "better way" to power voice and SMS/MMS text messaging applications in the cloud, get up and running fast with our new, integrated thinQ io portal or APIs. We make it easy for SaaS and UCaaS platforms, enterprise contact centers plus telecom VoIP providers to bring your own 40 high-quality carriers to Twilio, Nexmo, Plivo, SignalWire or any SIP connection. Use our APIs to add and control your inbound and outbound voice and texting features in your existing tech stack in minutes, save on your cost of goods, connect to existing SIP providers, improve call delivery and quality, and more. Our now fully-integrated thinQ.io Web platform also makes it easy to buy and port phone numbers, create route profiles and trunks, enable text messaging, and more. Add call-specific analytics and SIP ladders along with our five-star support team to mitigate and route around outages, create custom routes and blocks, and more – and you've found a "better way" to communicate.Starting Price: $500 -
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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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SSQUARE API Management
TechBerry
SSQUARE - API Management The comprehensive platform to manage APIs (your valuable assets) and keep your business secure while accessible at all time to encompass digital ecosystem. S-Square API Management allows your organization to: Organize APIs of all stakeholders Register APIs under the official directory to make your services easily accessible Protect APIs from cyberattack Provide exposed APIs the authorization to control access of your critical and sensitive data from digital threats Streamline APIs development life cycle Facilitate APIs subscribers and publishers with hassle-free GUI coupled with traffic management and analytic capabilities to enable development agility and customer experience optimizationStarting Price: $25000 / yr -
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Sabienzia
Sabienzia Technologies
Sabienzia transforms telephony into intelligent communication empowering businesses with data-informed decisions based on metrics, context and meaning and automated workflows. With more than a decade of experience delivering cloud telephony services Sabienzia drives customer service for established companies in the travel, automotive and e-commerce sectors worldwide through a 100% own GDPR compliant infrastructure that is 100% hosted in Europe providing the highest PCI security level. In minutes, you can set up a fully customizable customer service in the cloud to reach your global audience. Our premise is to provide a centralized system that allows your users to provide your customers with a closer, more substantial, and more empathetic experience from anywhere. Setup in 1 minute the cloud contact center solution for business without installations. Stay closer to your customers, remote agents and employees using the right channels and metrics.Starting Price: €10 per user per month -
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SolarWinds VNQM
SolarWinds
VoIP monitoring software designed for deep critical call QoS metrics and WAN performance insights. With SolarWinds® VoIP & Network Quality Manager (VNQM), you can monitor VoIP performance by analyzing Call Detail Records generated by Cisco CallManager and Avaya Communication Manager, helping you proactively identify and eliminate distortion, latency, and noise. VNQM helps you easily analyze call detail records (CDR) from Cisco and Avaya Communication Managers for metrics such as network jitter and latency and avoid packet delays in VoIP calls. Take advantage of a range of powerful capabilities in SolarWinds VNQM, such as: monitoring VoIP call quality of service (QoS) metrics including jitter, latency, packet loss, and MOS; monitoring site-to-site WAN performance using Cisco IP SLA technology; and correlating call issues with WAN performance for advanced troubleshooting. -
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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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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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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
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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EnableX Communications APIs
vCloudx
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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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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DIDforSale
DIDforSale
DIDforSale is a California-based telecommunications carrier. Services include SIP trunking, local DIDs, and toll-free numbers, outbound termination, an API, and network services such as E911, CNAM Lookup, and local number portability (LNP). With 10+ years of experience, DIDforSale has proven to be a leading wholesale VoIP origination and termination provider. Our network is optimized to minimize call drops, lags, and echoes. We partner with quality service providers both in the US and all over the world to handle your calls with amazing call clarity. Expand your local footprint with the USA's most extensive local phone number selection. Maximize Impact, and minimize effort with bulk SMS marketing. Elevate professionalism, and credibility, while expanding reach and engagement. Now you can easily send and receive text messages programmatically. Boost your business branding, increase recall, and gain a competitive edge.Starting Price: $0.0025 per minute -
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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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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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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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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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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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D7 Networks
Direct7 Networks
Direct7 Networks is a leading messaging service provider that empowers organizations to communicate efficiently with their customers across multiple channels. With a user-friendly API and seamless integration capabilities, brands can easily connect and engage with their audience. The platform supports real-time alerts and notifications through SMS, WhatsApp Business API, and Viber API, ensuring messages are delivered through the most effective and relevant channels. Whether sending messages individually or in bulk, Direct7’s streamlined API supports both Unicode and standard messaging formats. It’s highly customizable, allowing businesses to tailor the messaging framework to suit their specific needs. The 2FA OTP service is fast, secure, and automated—enabling users to verify actions in under 20 seconds, ensuring protection against fraud. -
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SMS Gateway Hub
SMS Gateway Hub
You can send valuable information to all your customers through SMS to all DND & Non-DND numbers. Your company name will be mentioned in the Sender ID : Ex. IG- SMSHUB. Under our premium Transactional SMS service, you can also integrate Bulk SMS API. You can generate awareness and notify about the live sale through promotional SMS to your target customers in no time. No matter, whether your aim of promotion is to increase awareness or to create brand loyalty, we provide you liberal Bulk-SMS service. You can send bulk voice messages(normally 30 seconds or less) to your customers. Voice Calls are completely automated process hence no operators or dialer is need to process the calls. Use Voice Call in Election, School, IT, Finance, Banking, Software, CA, FMCG and many more. -
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The SMS Works SMS API
The SMS Works
At the SMS Works, we only bill you for delivered text messages. Our prices are amongst the lowest in the UK. Message costs start at 3.45 pence + VAT and go as low as 2.75 pence for larger volumes. On average, our customers save over 30%. Compare us with other SMS Gateway companies on our price comparison table. Contact us for a quote if you'd like us to beat an existing price. For high SMS volume customers, sending and receiving over 50,000 texts a month, we offer even lower rates. With our free SMS API, you only pay for SMS credits; there’s no contract or minimum order. We only charge you for delivered messages. Failed texts are credited straight back to your account. Almost all SMS companies charge for failed texts, when they haven't been charged themselves. You can save as much as 18% by not paying for undelivered texts. Our delivery reports give you a detailed outcome of all texts sent, including refunded SMS credits. -
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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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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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Robin
Robin
Build any chat use case into your product with just a few lines of code. Choose from our library of SDKs for chat spanning across web and mobile. A single line of code sets up a secure connection to our service. Develop your UI elements with our SDKs to build the features you need. We have done the hard work, so you never have to. Robin’s Chat SDKs are ready-to-use, secure, and scalable. Our solution was built with scale in mind. With Robin, you can build the chat experience of your dream. Deliver a chat experience that your customers will love. Robin uses 256-bit AES encryption at rest with TLS 1.2 for encrypting data in transit. Ready-to-use kit for Robin Chat with every page, component, and interaction. Integrate Robin into any application in ample time. It’s that simple. Quickly build a reliable & functional chat experience into your mobile or web app project today. Add DM functionality to your product with ease.Starting Price: $99 per month -
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PubNub
PubNub
Innovate with Realtime Features: We take care of realtime communication infrastructure so you can focus on your app. Our Platform for Realtime Communication: A platform to build and operate real-time interactivity for web, mobile, AI/ML, IoT, and Edge computing applications Faster & Easier Deployments: SDK support for 50+ mobile, web, server, and IoT environments (PubNub and community supported) and more than 65 pre-built integrations with external and third-party APIs to give developers the features they need regardless of programming language or tech stack. Scalability: The industry’s most scalable platform capable of supporting millions of concurrent users and allows for rapid growth with low latency, high uptime, and without financial penalties. Security & Compliance: Enterprise-grade security and compliance with the most stringent regulations worldwide, including GDPR, SOC 2, HIPAA, ISO 27001, and CCPA.Starting Price: $0 -
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Spring Edge
SpringEdge Technologies
Authentication, Voice & SMS APIs for Every Platform. Enables you to communicate faster and easier, Developed with tech innovations. Spring Edge's ingenuous cross platform APIs are easy to integrate with any technology platform with industry standards to send sms text or voice message. We provide messaging and voice communications using multiple channels to bring the most reliable platform powered by InstantAlerts. Enable business voice and sms text communication with our highly scalable web interface allows to send instant messages or bulk sms using api or web-based platform. Spring Edge strive to provide best in the industry services to clients, our technical support engineers are available at any instant to address your sms and voice related queries. -
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ITNIO TECH
ITNIO TECH
ITNIO TECH is a global communications platform offering a wide range of messaging and voice solutions designed to connect businesses with customers worldwide. Their services include Verification SMS, Notification SMS, Marketing SMS, Two-way SMS, and advanced voice products such as Global Virtual Numbers, Cloud Call Centers, Voice Verification, and AI Voice. With over 20 years of experience and partnerships with 100+ mobile network operators, ITNIO TECH supports messaging and voice delivery across more than 200 regions globally. Their omnichannel messaging platform provides reliable, low-latency communication that integrates easily via enterprise APIs. The company specializes in authentication, marketing, and notification solutions tailored for industries like FinTech, gaming, e-commerce, and logistics. ITNIO TECH prides itself on high uptime, global reach, and 24/7 expert support to help clients optimize customer engagement and business growth. -
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Voxbone
Voxbone
Whether digital-native or plotting a pain-free path to the cloud, businesses can achieve instant global scale for their communications with our enterprise-grade worldwide voice and messaging network. Our compliant, elastic SIP trunking services and phone numbers deliver fully localized voice presence on a global scale, across 93% of the world economy. It's why we're the voice infrastructure partner of choice for the majority of Leaders in Gartner's Magic Quadrants for UCaaS and CCaaS. Founded in 2005, we count among our happy customers Uber, Skype, Zoom, 8x8, Dialpad, NICE inContact, Orange Business Services, Aircall, Telefónica and Serenova. -
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2600Hz
2600Hz
An unrivaled UCaaS solution designed to empower Service Provider success. Differentiate your brand and offering in the market with a completely customizable, white label solution. KAZOO is 2600Hz's turnkey UC platform, offering the flexibility you need to provide a superior communication experience. Give your customers a communication solution that will make them successful. 300+ APIs enable you to customize a solution to help your customers do business better. White label your solution to build and maintain your brand recognition in the market. Low upfront costs let you get started quicker and stay cost competitive. Reliability and geo-redundancy ensures your customers are always online. Mobile ready lets your customers get business done when and where they need to. KAZOO is a multi-tenant platform and gives you the ability to open your sales channels. Bring on resellers, go direct, or have an agent model.Starting Price: $3.50/month -
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sms77
sms77.io
Professional solutions for your company to send and receive SMS. Online, via API, by email or directly in your app. Easy. Fast. Reliable. We send via the best routings with high reliability. We make sure your SMS are delivered. Our prices are fair and transparent. You only pay for what you use. Thanks to our SMS API, the SMS transmission can be integrated into almost any application in a short time. Use our SMS Gateway with groundbreaking technology for your application. Realize your projects with our powerful messaging APIs.Starting Price: 0.075€ per SMS -
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VOXOX
VOXOX
Today's customers choose brands they connect with and that provide immediate value and great customer care. As a business owner, you need tools that can help automate that process. VOXOX combines an intuitive SMS marketing platform, real-time interactions, and superior voice automation that leaves your customers saying "WOW". When someone joins your SMS list or calls your business phone, they can automatically receive text messages like appointment reminders, exclusive invitations, member-only rewards, motivational tips, special discount codes, and more. Skyrocket your business communications without having to be a rocket scientist. We've made it easy! You don’t have to be a big business to sound like one. VOXOX gives small businesses a big voice. We help you operate like a Fortune 500 company, without having to pay Fortune 500 prices. Got questions? Want to see a demo of how our services can help your business?Starting Price: $24 per month -
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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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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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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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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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Message Central
Message Central
At Message Central, we understand the significance of effective communication and engagement with your customers. We craft products to elevate your marketing strategies and enhance customer interactions. With Verify Now, you can provide an extra layer of security to ensure that only the right person has access to accounts or sensitive information and transactions. With Message Now, you can easily personalize your bulk SMS messages, addressing recipients by their names or including relevant details. Tailor your messages to resonate with each individual, fostering a sense of connection and trust. Implement SMS OTP for secure user authentication and account verification processes. Deliver real-time transactional notifications, such as order confirmations, shipping updates, and payment reminders, to keep customers informed.Starting Price: $0.009/OTP sent | $0.3/100 SMS -
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SMS.to
Intergo Telecom
Send messages to your customers in their preferred channel through SMS, WhatsApp or Viber Messages. SMS.to offers a powerful web platform and API, providing a smarter way for businesses to communicate with customers in multiple channels. Integrate SMS.to rich messaging in your workflow with our OmniMessaging & SMS API Gateway. We will help you stay compliant to different privacy laws and regulations like GDPR with our built in features. Gather meaningful analytics and activity metrics by tracking clicks on your links. Improve Delivery rates by relying on our direct connections with global carriers for time-sensitive delivery. We invest in Security & Certifications and we are big believers in Transparency providing detailed reporting about any service you buy from us. Our Powerful Message Editor offers up to 5 dynamic fields to personalise and engage your audience, send meaningful custom reminders and more.Starting Price: $10.00/one-time