Alternatives to IOSOR
Compare IOSOR alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to IOSOR in 2026. Compare features, ratings, user reviews, pricing, and more from IOSOR competitors and alternatives in order to make an informed decision for your business.
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Notifyre
Notifyre
Notifyre is a secure online fax and text messaging service for businesses, rated 4.7/5 from 1,187 customer reviews. Pay as you go from 3 cents per fax page and 2 cents per SMS, with no contracts, no hidden fees, and wallet funds that never expire. Why businesses choose Notifyre: - Live chat, phone, and email support from a local U.S. team - A dedicated account manager who guides you through 10DLC registration (the approval US carriers require for business texting) - Free BAA for medical and health organizations, with HIPAA compliance standard on every plan - ISO 27001 certified with AES 256-bit encryption, user access controls, audit trails, and 99.99% uptime Fax features: online fax platform, email to fax and fax to email, fax API, online fax numbers, free fax number porting, and fax broadcast to 20,000+ recipients. Text messaging features: SMS and MMS online, email to SMS, SMS and MMS API, mass texting and SMS marketing, subscriber and opt-out management, bulk contact upload, SMS templates, and personalization fields. Book a 15-min demo for one-on-one 10DLC guidance. -
2
Signalmash
Signalmash
Signalmash is a boutique CPaaS built for businesses that need reliable communications and real human support behind every interaction. No tiers. No wait times. Real support for faster development and better outcomes for your customers. Our enterprise-grade customer gets a dedicated Slack channel with our engineers. Direct Tier-1 connections with AT&T, Verizon & T-Mobile. 94% first-time 10DLC approval rate. SMS: 10DLC | Short code | Toll-free | SimplyRCS (simplyrcs.ai): RCS Rich | RCS Media through API & No-Code Platform Voice: SIP Trunking | VoIP | Termination | Origination Numbers/DIDs: Local, short code & toll-free numbers | BCID (Branded Caller ID) Number Intelligence/Lookup: Subscriber Info (CNAM) | Carrier Information | Carrier Type (Fixed or Wireless) | Federal DNC Status Signalmash enterprise-grade reliability, boutique-level support. -
3
Telnyx
Telnyx
Telnyx is a global communications infrastructure platform that provides voice, messaging, networking, and AI-powered real-time communication capabilities through a fully owned telecom stack. The platform combines carrier-grade networking, programmable identity systems, AI inference, and low-latency communication infrastructure to support real-time conversational AI agents and enterprise communication workflows. Telnyx owns and operates its entire network stack, including physical infrastructure, mobile core systems, edge processing, and AI compute layers, enabling faster performance and lower latency without relying on third-party telecom providers. The platform offers tools such as voice agent builders, speech-to-text, text-to-speech, global phone numbers, AI orchestration, and programmable compliance controls for building intelligent voice and messaging systems. -
4
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 -
5
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 VerificationStarting Price: $0.00500 / SMS on 10DLC -
6
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 userStarting Price: $0.01 one-time fee -
7
Linq
Linq App
Linq is a developer-focused messaging infrastructure platform that lets businesses and AI applications communicate with users through iMessage, RCS, SMS, and voice. Its APIs support features such as emoji reactions, voice notes, rich media, typing indicators, group chats, and other conversational interactions that feel more like native messaging than traditional business texting. Developers can integrate Linq into their applications to power AI assistants, customer workflows, reservations, alerts, support experiences, and other messaging-based services. The platform is designed for high-volume, low-latency delivery and offers enterprise features such as encrypted data handling and SOC 2 Type II compliance. Linq also provides tools for building conversational AI agents that operate directly inside messaging apps without requiring users to download a separate application.Starting Price: Free -
8
Pushfy
Pushfy
Pushfy is a CPaaS (Communications Platform as a Service) built specifically for iGaming operators. It unifies SMS, RCS, voice, push notifications, and WhatsApp into one platform so operators can instantly confirm deposits and bonuses, automatically re-engage players, and run AI-powered customer support that answers real account questions, such as withdrawal status, based on live data and escalates to a human team when needed. Features include OTP messaging with a dedicated priority queue, rich RCS cards with images and verified sender badges, campaign tracking with branded short links, and infrastructure built for high-volume, real-time messaging at scale. -
9
HORISEN Omnichannel Router
HORISEN
HORISEN Omnichannel Router is a messaging routing and orchestration platform for telecom operators, CPaaS providers, messaging businesses, and organizations that need to connect customer communications across channels. It provides a unified API and routing layer for inbound and outbound traffic across SMS, RCS, WhatsApp Business, Telegram, Instagram, Facebook Messenger, and email. Teams can centralize channel connections, configure routing and fallback logic, manage multiple channels and accounts, and support customer notifications, order and delivery updates, banking alerts, one-time passcodes, transaction confirmations, two-way messaging, chatbot use cases, and personalized marketing journeys. The product is offered as a cloud-based service or for on-premise deployment, allowing organizations to integrate messaging functions into existing infrastructures and CPaaS or SaaS offerings. -
10
Syniverse CPaaS Concierge
Syniverse
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. -
11
EmailLabs
Vercom
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 -
12
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. -
13
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 BotStarting Price: $299 per month -
14
Tekhook
Tekhook
Tekhook is a global Communications Platform as a Service (CPaaS) that helps businesses reach customers over SMS, WhatsApp Business, RCS, Voice, Email and OTP verification from a single platform. Headquartered in Dubai, UAE, Tekhook runs 800+ direct carrier routes across 190+ countries with a 99.999% uptime SLA, delivering reliable, low-latency messaging for banking, healthcare, e-commerce, logistics, real estate, travel and education. Developers integrate through simple REST APIs, while marketing and operations teams launch bulk campaigns from an easy web portal.Starting Price: $0.005 -
15
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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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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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. -
18
Authkey
Authkey.io
Authkey is a multi-channel CPaaS platform providing SMS API, WhatsApp Business API, Voice API, Email API, and Google RCS. It helps businesses send notifications, promotional messages, transactional messages, OTPs, 2FA, and more. Designed for responsiveness and ease of use, Authkey allows you to start without adding any credit cards. Authkey offers a free sandbox account for building, testing, and deploying. It supports easy-to-integrate APIs for all channels and over 1,000 automation options via Zapier, Pabbly, Integrately, and other partners. You can easily push bulk campaigns through all channels. WhatsApp Chatbot for intelligent customer query responses. Join over 200 active businesses working with us and grow together.Starting Price: $0 -
19
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 -
20
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. -
21
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. -
22
Brightlink Voice
Brightlink
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. -
23
Teliqon
Teliqon
Teliqon is a global cloud communications platform providing UCaaS, CCaaS, and CPaaS solutions for businesses worldwide. The platform combines Cloud PBX, Contact Center software, Business SMS, OTP SMS, Voice API, SMS API, SIP Trunking, virtual phone numbers, and omnichannel communication tools in a single cloud ecosystem. Businesses use Teliqon to manage inbound and outbound communications, automate workflows, improve customer experience, and scale operations without complex infrastructure. The platform supports voice, SMS, WhatsApp messaging, IVR, call routing, call recording, analytics, auto dialers, and customer engagement automation. Teliqon provides local, mobile, and toll-free phone numbers in more than 170 countries and integrates with HubSpot, Salesforce, Zoho CRM, Zendesk, Microsoft Teams, Google Workspace, and other business applications through APIs and webhooks.Starting Price: 49$/month -
24
SautiKit
Helloduty
SautiKit is a cloud-based programmable voice platform for developers and businesses building call features for use in Kenya. It provides an API and SDKs to provision Kenyan phone numbers, place and handle inbound and outbound calls, configure IVR and call routing, receive call-event webhooks, and access call recordings and usage information. Teams can create managed AI voice agents for inbound conversations and automated outbound broadcast campaigns, or stream live call audio to their own voice applications. SautiKit also offers browser-based and phone-app calling, SIP access for compatible devices, WhatsApp calling, prepaid wallet billing, and a hosted Model Context Protocol server for managing numbers, calls, agents and campaigns from supported AI coding and assistant tools. Use cases include customer support, appointment reminders, transaction alerts, dispatch coordination, and integrating voice into software products.Starting Price: KES 500/month -
25
Bitcall
Bitcall
Bitcall OS is a future-ready, white-label telecom platform that lets businesses and resellers launch, sell, and manage communications services from one dashboard. It includes prepaid eSIM data plans with instant QR activation for travel and remote connectivity, plus WebRTC calling for browser-based voice, SIP/VoIP voice for PBXs and softphones, SMS messaging, OTP verification, and HLR lookups for number validation and routing intelligence. The platform supports automated provisioning, client management, pricing control, usage analytics, call/SMS history, exports, alerts, and API-first automation. Payments are flexible, including crypto-friendly top-ups (Bitcoin) alongside modern methods, making it ideal for global customers. Bitcall is built to stay modular and expandable, with more telecom modules, integrations, and vendor partnerships continuously added.Starting Price: $1/month -
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PaaSoo
PaaSoo
PaaSoo global SMS and voice, direct connections to telecom carriers, global reach to more than 200 countries. High delivery rate, real-time response, and global reach to 200 countries. Move beyond simple text messages. PaaSoo’s MMS API enables you to send engaging messages using multimedia content. Global reach to more than 200 countries, an excellent failover solution to increase the user acquisition rate. A free API is offered to our customers, helping them to save costs by filtering invalid phone numbers. An intuitive application integrated into the customer dashboard, helping our customers to send bulk SMS without any technical development. Our smart algorithm automatically selects the most reliable route to carry your SMS traffic. You can also ask us to build a customized routing plan to meet your specific requirements. You can check in real time the current network and roaming status of a phone number, with our phone number status API.Starting Price: €0.01 per message -
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Voxvalley CPaaS
Voxvalley
The cloud communications platform by Voxvalley allows you to add real-time communication features to your existing web and mobile applications easily, using secure and scalable SDKs/APIs. SMS API can help your business to implement two-way communication with customers. This can be done effectively with the help of long codes and short codes. Using this, short codes let you send large volumes of B2C messages, and long codes can help you to run SMS promotional campaigns. With SMS API integration, you can have a unique sender ID, with which customers can identify and recognize your brand easily. Also, you may send promotional and transactional alerts via SMS to keep your customers updated and engaged. You can have the DID numbers for International calling/toll-free numbers that allow you to reach the customers with local numbers, which is more trustworthy. With DID numbers, you can also avail HD audio quality and good coverage at an affordable cost. -
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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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Blooio
Blooio
Blooio is an iMessage API and business messaging platform that lets companies send and receive Apple iMessages using dedicated phone numbers. Connect through a REST API, HighLevel, n8n, Make, Zapier, or webhooks to automate iMessage conversations at scale. Send messages, track delivery, manage contacts and groups, show typing indicators, and receive real-time webhook events. Automatic RCS and SMS fallback ensures every contact is reached regardless of device. Built for sales teams, marketing agencies, support departments, and AI agent builders. Use Blooio to power lead follow-up sequences, appointment reminders, chatbots, and outbound outreach with the highest reply rates in messaging. Enterprise features include number pools, auto-scaling, auto-unbanning, FaceTime calling, custom area codes, and white-label support. 99% delivery rate across 10M+ messages sent. Free trial available. No credit card required. Full API docs and OpenAPI spec on the website.Starting Price: $39 -
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Nexfy
Linksignal Tecnologia e Comunicação
Nexfy is a cloud communications platform for business messaging and voice. Through a web dashboard and REST API, organizations can send SMS and one-time passcodes, manage WhatsApp Business messaging, create RCS campaigns, and trigger programmable voice messages or calls. Webhooks connect Nexfy with customer systems and can carry message events. The platform supports customer notifications, authentication, order updates, appointment reminders, marketing campaigns and customer communications. Businesses can connect their own applications through APIs and webhooks, and use named automation, CRM, commerce and ERP integrations. Nexfy uses prepaid credits and usage-based pricing. Channel activation, WhatsApp template approval and service availability may depend on provider requirements and the selected channel.Starting Price: R$0,08/message -
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Sinch
Sinch
Sinch is a cloud communications platform that enables businesses to communicate with customers through SMS, MMS, RCS, WhatsApp, email, voice, and other digital channels. The platform provides communication APIs and ready-to-use applications for marketing campaigns, transactional notifications, customer support, and identity verification. Its messaging capabilities support personalized text campaigns, two-way conversations, automated reminders, and rich media interactions across global mobile networks. Sinch also offers email delivery services, programmable voice calling, phone number management, and authentication tools for securing customer accounts. AI-powered capabilities include conversational chatbots, customer service automation, fraud prevention, and intelligent communication workflows. The platform integrates with business applications through REST APIs, SDKs, and prebuilt integrations while providing delivery analytics, communication management, and enterprise security. -
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ZeptoMail
Zoho
Zoho CPaaS (formerly Zoho ZeptoMail) is a multi-channel transactional communications platform that helps businesses send and manage customer communications across Email, SMS, WhatsApp, and Voice. It provides developer-friendly APIs, SDKs, webhooks, analytics, and communication management tools to help teams integrate and automate transactional communications into their applications and business workflows. Zoho CPaaS is designed for developers, product teams, SaaS companies, e-commerce businesses, fintech companies, and logistics organizations that need to send time-sensitive customer communications reliably across multiple channels. Common use cases include one-time passwords (OTPs), password resets, payment notifications, order and shipment updates, appointment reminders, security alerts, invoices, and other transactional notifications.Starting Price: $2 per credit -
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Broadband Dynamics
Broadband Dynamics
Omni Channel software solutions including Voice, SMS, WebChat, social media and more. Includes TCPA compliant enhanced manual dialing solution, predictive, progressive and power dialers. ACD/queues, call recording, screen recording, sentiment analysis, custom Dashboards, enhanced customizable reporting with automation, Quality Assurance including automated scoring of calls, AI Voice, Chat and SMS BOT solutions. CPaaS for automatic ordering and routing of phone numbers on our carrier network. -
34
Reloadly
Reloadly
For ambitious companies around the world, Reloadly's data and airtime API makes topping up prepaid mobile users as simple, borderless, and programmable as the rest of the internet. Send airtime online with simple APIs, SDKs, widgets or plugins. With just a few lines of code, you can add mobile top-up to your web or mobile application in the programming language you already use. World-class developer onboarding and tools as building blocks for global mobile recharge and data. Register for your free account and start building in minutes. There are no contracts, no restrictions, no shenanigans! Local and international access to the world's leading mobile operators. Our coverage of over 700+ telcos on one API with one wallet removes many complexities to manage your airtime and data top-up requirements. A technology-first approach solving the complexities in the prepaid telecom market. -
35
Z-API Omni
Irrah Group
Z-API Omni is a hosted messaging API for developers, software companies, integrators and automation teams building customer communications into applications and workflows. A unified REST API connects WhatsApp, Messenger, Instagram and Telegram, with webhooks for incoming messages and delivery events. WhatsApp channels can use the official Meta API or a web-connected QR-code session. The service sends text, media, buttons, lists and message templates. SDKs are available for JavaScript, Python, PHP, Go and .NET, with Swagger documentation and a Postman collection. Teams can use the API for customer support, order and delivery updates, notifications, appointment reminders, marketing, payments and authentication. A free isolated sandbox supports testing before production; paid subscriptions are priced per channel, with a separate partner plan for higher channel volumes.Starting Price: $17.99/channel/month -
36
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 -
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BICS
BICS
No matter where you, your employees, customers, or partners are, everyone is just a call or a text away. Our robust and reliable network powers communications worldwide. Our solutions cleverly merge the platforms you use and enable a seamless user experience for your employees and customers. BICS is a Communications Platform as a Service (CPaaS) that empowers enterprises to create and manage multichannel communications campaigns globally. Utilizing a low-code visual builder, businesses can design customized communication flows without writing code, integrating channels. It ensures reliable service delivery through BICS' carrier-grade network, which spans over 180 countries and connects with more than 900 operators, providing quality of service, delivery, and security. It integrates seamlessly with existing tech stacks, including CRM systems and collaboration tools, facilitating streamlined operations and enhanced customer engagement. -
38
TringPhone
Ramanujan Technologies LLC
TringPhone is a browser-based international calling service for individuals and teams contacting mobile phones and landlines abroad. Users check destination-specific rates, add prepaid credit, enter a full international number, and place calls in Chrome, Safari, Firefox, or Edge with microphone access. The recipient answers on a regular phone and needs no TringPhone account or app. Calls are pay as you go; rates vary by destination and whether the number is mobile or landline, and partial minutes are rounded up. Personal top-ups start at $5. Business accounts can invite team members and organize calling credit. Optional virtual phone numbers are offered separately, with availability and recurring charges varying by country. TringPhone supports personal conversations and business calls to overseas contacts, including people who cannot or do not use internet calling apps.Starting Price: $5 -
39
HORISEN STP Platform
HORISEN
HORISEN STP Platform is software for routing and managing SS7 signalling traffic between mobile network operators, carriers, and service providers. It supports SIGTRAN over M3UA, with routing across MTP, SCCP, and TCAP layers and compatibility with MAP and CAP. Network teams can configure fixed, load-balanced, ratio, and fallback routes, manage signalling connections, and apply real-time screening rules across signalling layers. The platform also provides SS7 trace capture, transaction-level CDR logging, traffic dashboards, and monitoring for signalling links and SIGTRAN connections. It supports redundant architecture and cloud-hosted or dedicated on-premise deployment. Intended users include MNOs, MVNOs, SMS aggregators, interconnect hubs, CPaaS providers, and signalling solution vendors managing SS7-based messaging or voice traffic. -
40
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. -
41
Simvito
Simvito Limited
Simvito is a travel eSIM service for people who want mobile data while abroad. Travelers can browse prepaid plans for individual countries, regions and multi-country trips, comparing available mobile networks, 4G or 5G coverage, data allowances, validity periods and prices. After purchase, an eSIM is delivered by QR code for installation on a compatible, unlocked phone. Plans differ by destination and may stop, slow down or require a top-up when their included data is used, as stated in each offer. Simvito provides a web storefront and mobile apps for iOS and Android to explore plans and manage purchases. Its eSIM service also exposes a Model Context Protocol (MCP) connection that can be used with supported AI assistants to search plans and destinations. The service is intended for travelers seeking prepaid connectivity outside their home mobile network.Starting Price: $1.85/plan -
42
eSIMify
eSIMify Global
eSIMify is a travel connectivity service that sells prepaid eSIM data plans for use in supported destinations. Customers can browse country, regional, and global packages through its website or mobile app, choose a data allowance and validity period, and receive an eSIM for installation on a compatible, unlocked device. Plans use digital activation rather than a physical SIM, and the service provides instructions for installing and activating the eSIM. Travelers can use the eSIM for mobile data while abroad, check plan details, and purchase a top-up where the selected plan supports it. eSIMify offers packages for leisure and business travel, with plan availability, network coverage, data limits, validity, and activation terms varying by destination and package. The service is intended for travelers seeking prepaid mobile internet access without buying a local physical SIM; device compatibility and eSIM support are required.Starting Price: $2.99 one-time -
43
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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Instant Web Call
Instant Web Call
Instant Web Call is a browser-based calling service for placing outbound voice calls to supported real phone numbers, including landlines, mobile numbers, offices, service lines, airlines, clinics, banks, government offices, business contacts and family numbers. It is useful when app-to-app calling is not enough, roaming is inconvenient, or installing another calling app is not practical. Users can check destination support and calling cost estimates before dialing. Instant Web Call uses prepaid USD wallet credit and is focused on practical outbound browser calling. It does not provide SMS verification-code receiving, inbound phone numbers, emergency calling, call recording, AI transcription, team phone systems or guaranteed bank verification.Starting Price: $5 prepaid credit purchase -
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MonoEsim
MonoEsim
MonoEsim sells prepaid travel eSIM data plans for 190+ countries, with country, regional and global packages. Travelers choose by destination, validity and data allowance, check phone compatibility, pay online, and receive an activation QR code and code to install before or after arrival, without a physical SIM. Plans include fixed-data and unlimited options, top-ups, daily price updates, and an order page showing plan details and remaining data. The site provides iPhone and Android installation guides and supports German, English, Ukrainian and Russian; an Android app is also offered. Travel agencies, bloggers and other partners can resell plans through a partner program with an agency cabinet, custom markups and prepaid balance. Developers and AI assistants can use the Agent API and remote MCP service to find destinations and plans, compare offers, check device compatibility, prepare quotes and create customer checkout links. -
46
Connectly
Connectly
Top-performing companies use Connectly to skyrocket their business by promoting a 2-way conversation with their customers via WhatsApp. What about you? WhatsApp is the best-performing communication channel with a 95% engagement rate that promotes conversation. We let the numbers speak for themselves. Connectly works hard so that you don’t have to. If WhatsApp’s API was easy to use, everyone would. Connectly’s no-code tool lets you create simple interactive marketing campaigns through automated AI-powered bots. The transformative impact of Connectly’s WhatsApp marketing. Two-way conversations convert 5x better than one-way blasts. You can now automate conversations on WhatsApp at scale. Connectly integrates with the rest of your stack, including CRMs, Shopify, help desks, and more, so you can easily deliver personalization at scale. Empower your customers to select their preferred message channel, our omnichannel products will consolidate all messages in one place.Starting Price: $80 per month -
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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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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 -
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PageGate
NotePage
PageGate is an SMS messaging server application that sends SMS and text messages to: mobile phones, cell phones and other wireless devices. Messages can be sent a variety of different ways including: networked computers, e-mail, Internet web pages, command line executables, text files, a serial port, and from within other applications. Messages can be sent to the telecom provider via: the Internet (SNPP, WCTP, SMTP), modems (TAP, UCP, GSM, TONE), or direct serial connections (TAP). PageGate is a high capacity software application, with built in redundancy and fail over capabilities ensuring that urgent text messages are sent in a timely manner. NotePager Pro sends text or SMS messages to wireless devices, mobile phones, and cell phones using an easy to use desktop application. NotePager Pro sends SMS messages or text messages through an Internet connection, modem or a cellular modem.Starting Price: $250 one-time payment -
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Intellipush
Intellipush
Intellipush is a Norwegian business SMS platform for reminders, alerts, customer updates and consent-based marketing. Send individual or bulk SMS through the online portal, or connect your software using the REST API with OAuth 2.0. Import and organise contacts into lists, schedule messages, and review available delivery status and link activity. Short links and click tracking support campaign follow-up. API access is included with every account; public documentation supports integrations with booking, order and other business workflows. Create an account for free, with no monthly platform fee or minimum contract term. Standard sending uses prepaid SMS credits valid for 24 months. Costs depend on destination and message segments. Optional receiving numbers and keywords require suitable setup and may carry separate charges. Based in Fredrikstad, Norway, with support in English and Norwegian.Starting Price: Usage-based SMS credits
