Best SMS API Providers
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Compare the Top SMS API Providers as of October 2025
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What are SMS API Providers?
SMS API providers, also known as SMS gateway providers, offer technology that enables software applications to send, receive, and track Short Message Service (SMS) messages over an internet protocol. They provide a way for businesses to communicate with customers in real-time via text as an integrated part of their overall communication strategy. These services are often cost-effective and easy to integrate into existing systems. Additionally, providers typically offer support in the form of user guides and documentation. Compare and read user reviews of the best SMS API providers currently available using the table below. This list is updated regularly.
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1
Notifyre
Notifyre
Integrate Notifyre’s REST API into your existing text messaging workflows to download, send, receive & retrieve SMS data in minutes. Sample code in .NET, Node.JS, PHP and cUrl. Webhooks available. Our Twexit feature makes it easy to switch with just a few tweaks code.">
Starting Price: 2¢/SMS part; 3¢/fax page (USD) -
2
Twilio Messaging
Twilio
The Twilio SMS API is a powerful tool that enables businesses to seamlessly integrate messaging capabilities into their applications, providing a direct and efficient communication channel with customers. With the ability to send and receive SMS messages globally, the API supports a wide range of use cases, from transactional alerts and appointment reminders to marketing campaigns and customer support. The API's robust features include message scheduling, delivery status tracking, and support for long messages, ensuring that businesses can tailor their messaging strategies to meet specific needs. Additionally, Twilio's SMS API is designed with scalability in mind, allowing businesses to handle high volumes of messages with ease. Its comprehensive documentation and developer-friendly interface make it easy to implement and customize, while Twilio's reliable infrastructure ensures high deliverability and performance.Starting Price: $0.0079 per message -
3
Twilio
Twilio
Twilio's SMS API empowers businesses to integrate robust messaging capabilities into their applications, enhancing customer communication and engagement. By leveraging Twilio's cloud-based API, companies can send and receive SMS messages globally, ensuring seamless interaction with customers. The SMS API offers a RESTful interface, allowing developers to easily integrate messaging functionalities using any programming language. Twilio provides Helper Libraries to simplify the process, enabling rapid development and deployment of messaging solutions. With Twilio's SMS API, businesses benefit from a pay-as-you-go pricing model, ensuring cost-effectiveness by charging only for messages sent and received. This flexibility allows companies to scale their messaging operations as needed, without incurring unnecessary costs.Starting Price: $0.0085 per min -
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!Starting Price: $0 -
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
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 -
7
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. -
8
SMSLocal
SMSLocal
SMSLocal.com is a versatile SMS marketing and communication platform designed for businesses. It enables bulk SMS messaging with personalized options and scheduling features, facilitating efficient campaigns. Two-way communication is simplified with real-time message handling and templates for standard messages. Comprehensive analytics and reports help measure campaign success and audience engagement, ensuring optimal ROI. Integration options allow seamless connection with other business tools. SMSLocal.com prioritizes security, compliance, and data protection. With multi-language support, automated workflows, and customer segmentation capabilities, it empowers businesses to engage with their audience effectively through SMS marketing. -
9
WasenderApi
WasenderApi
WasenderApi is a powerful and low-cost WhatsApp API for developers that enables seamless integration of WhatsApp messaging functionality into applications. With features like unlimited messages, multiple WhatsApp sessions, webhook support, and the ability to send various media types (text, images, videos, voice, documents, etc.), WasenderApi offers an affordable alternative to traditional per-message WhatsApp API services. Our tool is perfect for businesses and developers looking for a scalable and efficient solution to automate customer communications, send bulk messages, and manage WhatsApp sessions with ease.Starting Price: $6/month/session -
10
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 -
11
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. -
12
GoFax
GoFax
GoFax is Australia's #1 rated, secure, reliable and easy-to-use online fax and SMS platform. Bring your fax online, any device, anytime, anywhere. With advanced options to send and receive fax and SMS using the online platform, direct from email, desktop and mobile app, API integration and more. Industry compliant, Government accredited and nbn ready solution. Best-in-class security, data sovereigntya and encryption. Powering Medical, Legal, Government, Financial and other sectors. Send and receive faxes and SMS online, via email, app, API integration and more. Industry compliant, Government accredited. Best-in-class security, data sovereignty and encryption. Access our secure, reliable and feature packed Fax API / SMS API to make integrations with existing software and workflows a breeze. GoFax® provides premium quality and reliability ISDN business grade online faxing services and SMS. We guarantee higher service up-time than any other online fax provider.Starting Price: $9.95 per user per month -
13
Expert Texting
Expert Texting
Don’t confuse your customers with short codes sms or long codes, use our SenderID (Alphanumeric) based SMS service or text service to notify your customer. They can view incoming message from your company name, even if your contact information is not saved on their list. Our fast response Text API or SMS API can easily integrate to your current system or with any CRM. It is so powerful that you can retrieve your incoming text messages as well. This feature will save your time since there is no need to login at an Expert Texting Area to send SMS(s) to your customers. One of our unique features that sets Expert Texting apart from others is the Contact Management or Group Texting Module. When uploading contacts with Expert Texting, the list is saved for future use which eliminates the need to upload it multiple times for bulk messaging. -
14
Sweego
Mindbaz
Sweego is a multichannel notifications platform for developers. Sweego allows users to send transactional, engagement, and CRM messages through channels like email and SMS. We are working to add another channels like push (web & mobile) notifications, in-app notification, voice notifications and more. The platform provides APIs and webhook system to integrate notifications and messaging capabilities into applications. (SAAS, Mobile, Desktop, whatever...) With our email builder, you can create your template easily with drag and drop fonctionnality, HTML import, good email client compatibility, brand management, etc... Key features include message templates, email authentication, webhooks, sandbox testing for emails, statistics, logs and scalability.Starting Price: €10/month -
15
GreenAds Global
GreenAds Global
GreenAds Global stands at the forefront of omnichannel engagement, providing a wide array of messaging channels, tools, and solutions designed for sophisticated customer interactions, authentication, and security. With strong carrier connections and offices in Hyderabad, Dubai, and Kochi, GreenAds Global is the trusted partner for top companies worldwide to expand their customer communications. We assist our clients and partners in managing the challenges of consumer communications, boosting their business, and improving customer experiences with efficiency, security, and dependability. With GreenAds Global, you can achieve enhanced customer engagement through a diverse selection of local and global channels, including: WhatsApp API RCS Messaging Chatbot Bulk SMS Voice SolutionsStarting Price: 0.01 $ -
16
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 -
17
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 -
18
Textr Team
Textr
Increase customer engagement with an automated business phone system with all your calling and texting needs in one app. We have apps for all use cases, from personal to business. For individuals who carry multiple phones and wish to handle all business phone communication in one automated platform that is synced across all of their devices. Save thousands of dollars on a new device, phone plan, and phone number when starting your small business. We offer a lightweight CRM, IVR attendant, SMS campaign features, and more to boost business productivity. Textr Team is the perfect solution for freelancers and sole proprietors who want to message and call their clients or customers on one automated platform. Add your collaborators to Textr Team and cut down your business communication costs. The key to success is enabling your team with next-gen digital tools. Our outbound sales features allow your representatives to focus on clients and closing potential leads.Starting Price: $6.99 per month -
19
klink.cloud
K-LINK
klink.cloud is a comprehensive omnichannel contact center platform that unifies all customer interactions across multiple channels, including voice, video, email, SMS, and social media. It features robust in-app voice and video calling capabilities, conversational AI and chatbots for automation, and virtual numbers from over 80 countries. The platform offers advanced CRM and ticket management systems, complete with help desk ticketing, team collaboration, and custom reporting. Its IVR and ACD systems ensure efficient call routing, while comprehensive call management tools provide real-time metrics and detailed performance reports. Seamless API integrations allow for easy synchronization with existing tools, enhancing the platform's flexibility and functionality. Enterprise-ready and scalable, klink.cloud is designed to streamline customer support operations, improve customer satisfaction, and deliver a seamless customer experience across all touchpoints.Starting Price: $14.99 -
20
CDYNE
CDYNE
CDYNE offers reliable and flexible SMS, voice, phone number verification and address verification API's that are easy to integrate and scale for your business. When you combine our SMS API gateway with these awesome features, anything is possible! Our SMS API delivers the tools you need to boost company sales, revenue, customer engagement, and stay connected with your customers. Send mass text messages to customers fast from a memorable 5-6 digit phone number. Send text messages to users of your application, website, or software to ensure secure logins. Automate your entire SMS campaign and the response customers receive after replying. Recipients can easily remove themselves from your SMS campaign with a click of a button. Get detailed reports on how many text messages are sent, plus more valuable data. Use multiple phone numbers to deliver even more text messages to your entire contact list. -
21
Bandwidth
Bandwidth.com
You want the best quality voice, messaging, and more. To get them, you need the only API provider with its own nationwide network. You can eliminate the middleman, save on costs, give yourself more control, and build the application that your customers are craving. You’re not new to this, but you need a partner to help you reach the scale you know you’re capable of. Whether you’re bringing your own carrier or building your own solution from the ground up, Bandwidth has the tools you need to reach your maximum potential. Bandwidth is a communications platform with limitless flexibility. You need integrations, enterprise-class APIs, and tools to manage your communications stack intelligently. We are open where you need it the most, with optionality and control. Our global network is directly connected to where it matters most. Giving unmatched reliability. Bringing your customers closer. Scaling wherever your business takes you. -
22
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. -
23
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. -
24
MessageWhiz
MessageWhiz
23 billion text messages are sent every day around the globe, making messaging applications one of the most widely used mobile apps. Businesses in every industry are tapping into the power of these linked, branded messages, using it to nurture leads, drive traffic, or confirm identification. MessageWhiz’s SMS business texting solutions are ideal for every industry, no matter where your business or customers are located. Our text messaging SMS solutions for business and company SMS campaign services provide instant communication. Delivered in real-time, and in context.Starting Price: €149 per month -
25
Burst SMS
Burst SMS
Send campaigns, schedule messages, or track analytics in real time with our online SMS service. Unlock a host of contact functions such as multiple list uploading options, integrated web forms, replies, global opt-out lists, segmentation, or staggered sending. Use keywords to trigger an inbound SMS campaign. Keywords may also include special UTF-8 characters from over 150 languages or 1,000+ emojis. Send SMS replies to an email or convert email responses to text messages. Conversations will also be sorted into individual email threads. This app is the fastest way to send a message. Bookmark the send SMS link to your browser bar and access it from any window without logging in. Choose a feature-rich SMS API that you can rely on. Get started with our extensive documentation, designed to help developers deploy quickly with a wide selection of HTTP callbacks. Deploy SMS fast with our quick start API docs.Starting Price: $5 per month -
26
Text Torrent
Text Torrent
Text Torrent is a powerful bulk SMS and SMS API platform built for businesses that need secure, scalable, and compliant messaging. From promotional campaigns to transactional alerts, Text Torrent helps industries like e-commerce, real estate, healthcare, finance, restaurants, and nonprofits engage their audiences with 98% open rates.Starting Price: $49/month -
27
QuickSMS
QuickSMS
QuickSMS — Enterprise-grade business messaging (SMS, RCS & WhatsApp) QuickSMS is a security-first messaging platform that helps organisations send time-critical notifications, 2FA/OTP codes, appointment reminders, and marketing alerts at scale - across SMS, RCS Business Messaging, and WhatsApp Business. Built for reliability and compliance, QuickSMS is used by SMEs, public sector bodies, and enterprises that need auditable delivery, robust APIs, and fast onboarding. Why QuickSMS Omnichannel: SMS at the core, with optional RCS and WhatsApp Business to enrich messages with media, buttons, and branding. Deliverability & speed: High delivery performance (typical ~97%); real-time reporting and webhooks. Developer-friendly: Operator-scale routing: with international reach to 200+ destinations. Trust & Compliance (independently audited) ISO/IEC 27001, ISO 9001, ISO 14001, ISO 45001 certified Cyber Essentials & Cyber Essentials Plus certified Exceeds NHS DSP ToolkitStarting Price: $0 -
28
MOBtexting
MOBtexting
Drop your carrier cord with hyper-local AI-enabled voice and smart messaging services including our easy-to-use global SMS API's with proficient support that enables you to innovate and ease out the communication complexity. We believe in creating unconventional and captivating customer experiences through programmable & customer friendly services under AI-enabled Cloud Telephony Solutions and Unified SMS Gateway APIs as an experienced global communication service provider. Ensuring the lowest latency & direct operators connectivity for hassle-free service to enterprises to reach your customers faster and in a secure way. Our platform is hosted on cloud to make our API's available for smooth communications.Starting Price: $0.0034 per SMS -
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TxtSync
TxtSync
We don’t think texting should be taxing. Which is why we’ve made SMS marketing easier, more reliable and more affordable than ever before. Using our intuitive web interface it’s a breeze to set up and track SMS marketing campaigns. Plus, you can use our SMS API or your existing products in sync with ours. Well, we are called TxtSync after all. We’ve made using SMS easier so you can focus on the important bit - the content. Whether it’s launching an SMS marketing campaign or chatting with customers, you’ll get it right every time. We offer the highest quality Tier 1 SMS that ensures reliable delivery. And at a fraction of the cost of competitors with UK SMS starting from 3.5p and discounts for high volumes. Start creating your SMS marketing campaigns with us. Make sending and receiving SMS part of your everyday workflow thanks to our Zapier or Microsoft Flow apps that give you the freedom to keep using your existing products. Or for more advanced integration try our RESTful SMS API. -
30
GMS Messaging Hub provides mobile operators with secured message routing for all types of messaging traffic, ensuring reliable delivery over legal and transparent routes. Turn your A2P SMS into a major source of growing revenues. Ensure reliable traffic transport, clearly separated from A2P and P2A. Grow your P2A traffic through new cases and clear, transparent delivery. Combine the power of an app with the ubiquity of native SMS messaging. Collects A2P traffic from all the prominent services worldwide. Acts on behalf of MNO to collect all types of traffic i.e. OTP and promotional.