Best SMS API Providers
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Compare the Top SMS API Providers as of November 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
TextUs
TextUs
Drive up to 5x higher conversions, reach new customers, convert more pipeline, and keep existing customers engaged—all with the power of TextUs. TextUs is the most flexible, easiest-to-use business texting platform on the market. Automate your SMS with sequences or Keywords, have conversational 1:1 messages or send personalized SMS campaigns to an audience segment. The power of TextUs allows you to start connecting with your customers in ways that get attention.Starting Price: $749 per month -
2
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) -
3
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 -
4
800.com
800.com
Get a toll-free number and increase your sales globally. Turn your world into your office. 800.com lets you run your business using your cell phone. Advanced calling features, forwarding to cell phones and no contract. Increase conversions, brand recall ability, increased call response and SMS messaging. Have professional greetings, manage extensions and manage your account online. 800.com offers standard forwarding, simultaneous ringing and sequential ringing. For any business in the world to be taken seriously by US consumers a company should be using a Toll Free Number because it is the gold standard of telephone numbers. Local numbers send a signal that your company doesn’t focus on doing business with consumers in the entire country. Every 800.com member gets access to every phone system tool they could ever think of, regardless of which plan they choose. In addition to helping your customers avoid long-distance fees, you will be helping you and your company, too.Starting Price: $19 per month -
5
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 -
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
Textellent
Textellent
Textellent's robust business texting services provide SMS and MMS capability for customer service, sales, and marketing texting programs. Textellent's business texting solution makes designing, managing, measuring, and integrating SMS and MMS campaigns easy. Whether used for customer service, sales, or marketing, Textellent supports your customer journey with an easy-to-use service that text-enables local business lines and serves businesses of any size. Robust scheduling and appointment reminders are also available, as are keywords and shortcodes for easy opt-in programs with TCPA compliance supported by AI. In addition, Business Texting is supported directly from any web application or web page via Textellent Messenger (a free Google Chrome extension.)Starting Price: $59 per month -
8
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 -
9
BulkSMS.com
BulkSMS.com
BulkSMS.com is a leading business messaging platform which enables businesses to quickly and easily engage with their customers through the power of SMS. Users can send personalized bulk SMS campaigns to thousands of contacts at once, or integrate with many popular CRMs to create unique and individual customer experiences. For a more customized/bespoke solution, the robust SMS API offers scalability and reliability to businesses wanting to SMS-enable their own applications or software. -
10
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. -
11
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 -
12
BestSMS
BestSMS
Best SMS Gateway to Australia. Explore messaging excellence with BestSMS. We prioritize speedy delivery, guarantee unwavering reliability, and provide some of the most competitive rates in the market, all while delivering expert support. Your communication needs are our top priority. - 4c / SMS Part to Australia - No term contracts - Competitive Rates - Speedy Delivery - Unwavering Reliability - Expert SupportStarting Price: $0/month -
13
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. -
14
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 -
15
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. -
16
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 $ -
17
Altiria SMS
Altiria
Altiria Bulk SMS API messaging service. Send transactional SMS, bulk SMS or check the balance in your account through the API. Send SMS to Spain, Europe and Spanish speaking countries in South America. -
18
Textbelt
Textbelt
Textbelt is a no-nonsense SMS API built for developers who just want to send SMS. Thousands of customers prefer Textbelt over other SMS providers for our ease of setup, simple, predictable pricing packages, and personal support. No recurring billing, unnecessary add-ons, or client libraries. Send 1 free text per day. Create your own key to send more messages afterward. Textbelt offers open-source and paid versions. An SMS provider you can trust. Textbelt has worked with thousands of developers and businesses since 2012. Delivery statuses are not standardized between mobile carriers. For example, some carriers will report SMS as "delivered" when they attempt transmission to the handset while other carriers actually report delivery receipts from the handsets. Textbelt lets you receive replies after you've sent an SMS. Replies are sent by webhook, meaning you will have to set up an HTTP or HTTPS route on your website that will process inbound SMS.Starting Price: $3 per 50 texts -
19
Fast2SMS
Fast2SMS
Bulk SMS service or bulk message means sending SMS to one or more recipients via software/API/web platforms such as Fast2SMS provides a platform to send online bulk SMS in India. Generally, in India to send bulk SMS you need DLT registration but with the Fast2SMS panel, you can also send SMS without DLT registration. Bulk SMS can be sent like an individual SMS to customers e.g. receiving an OTP, notification on a transaction. If any online or offline businesses want to create, schedule, and send SMS campaigns for marketing or notification then all those activities can be done from Fast2SMS bulk SMS software. Fast2SMS DLT SMS & Bulk SMS Service is used by various national companies, schools, colleges, organizations, developers, NGOs & government agencies for promotion, communication, transactional alerts, notifications, reminders, OTP, and feedback.Starting Price: $0.012 per SMS -
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
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 -
23
Proovl
Proovl
Choose your SMS number from any of 24 countries. Whatever you prefer using, WebSMS or SMS API. Start global SMS messaging right away. Connected to more than 1017 mobile and landline networks worldwide. High-throughput routes powered by data centers in Europe and USA. Quick online sending through WebSMS under the console. Dedicated SMS API for bulk messages sending and receiving. Inbound messages forwarding to another phone number, e-mail address, or script URL. Our SMS Phone Numbers from the different corners of the world will let you text your partners, employees, customers, friends, and family around the globe. Virtual mobile or SMS numbers dedicated to 2-way SMS communication. Just a real mobile number located on a SIM card and hosted in our data center to receive any SMS. Personalized bulk messaging. Operate with Unicode. Long-term SMS numbers lease, SMS SIM numbers, virtual mobile numbers. -
24
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 -
25
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 -
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
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 -
28
SMSAPI
SMSAPI
Bulk SMS via API or our user-friendly online interface. Send SMS, check numbers in the HLR database and receive SMSs from customers directly in the customer portal. A professional SMS gateway accessible from the website is the easiest and fastest way to handle company mobile communication. Explore our open and secure SMS API, see code examples, and program your SMS messaging in any system or application. With detailed documentation and libraries, you'll benefit from every feature of SMS API and customize it to your needs. Connect any system to SMSAPI to automate notifications, customer service and marketing. Benefit from hundreds of pre-built integrations with e-commerce, marketing automation and CRM programmes or create your own connection. -
29
Cellcast
Cellcast
Cellcast – Australia's Leading SMS & MMS Platform, is an Australian-owned SMS, MMS, and voice communications platform designed to help businesses of all sizes manage customer communications and run marketing campaigns affordably. With no monthly fees, prepaid credits, and industry-low pricing, Cellcast is the perfect solution for sending bulk SMS, MMS, appointment reminders, and promotional messages. Key Features: - ✅ Wholesale Pricing (pay as you go) - ✅ SMS & MMS Gateway - ✅ Fast Delivery - ✅ Custom Sender ID - ✅ Email to SMS/SMS to Email - ✅ APIs for integration - ✅ Bulk SMS/MMS and scheduling - ✅ Two-way SMS Communication - ✅ Local Australian Support Sign up today and get FREE SMS + MMS credits to experience the power of Cellcast!Starting Price: $0 -
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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.
