Best SMS API Providers

Compare the Top SMS API Providers as of November 2025

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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    TextUs

    TextUs

    TextUs

    TextUs is the leading text messaging service provider for businesses that want to engage in real-time conversations with customers, leads, employees and candidates. Text messaging is one of the most engaging ways to communicate with customers, candidates, employees and leads. 1:1, two-way messaging encourages response and engagement. Text messages help teams get 10x the response rate over phone and email. Business text messaging has become a more viable form of communication than traditional mediums. The TextUs user experience is intentionally designed to resemble the familiar SMS inbox, allowing users to easily manage contacts, conversations, and campaigns. Work right from your desktop with the TextUs web app or use the Chrome extension alongside your ATS or CRM. Leverage the mobile app for on-the-go sending and responding.
    Starting Price: $299 per month
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  • 2
    Notifyre

    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.
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    Starting Price: 2¢/SMS part; 3¢/fax page (USD)
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  • 3
    Twilio Messaging
    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
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  • 4
    Twilio

    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.
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    Starting Price: $0.0085 per min
  • 5
    800.com

    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
  • 6
    Signalmash

    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
  • 7
    ClickSend

    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.
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    Starting Price: $20 minimum topup
  • 8
    Textellent

    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.)
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    Starting Price: $59 per month
  • 9
    Textmagic

    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.
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    Starting Price: $24.50/500 texts
  • 10
    BulkSMS.com

    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.
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    SMSLocal

    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.
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    SMS.to

    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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    BestSMS

    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 Support
    Starting Price: $0/month
  • 14
    Spring Edge

    Spring Edge

    SpringEdge Technologies

    Authentication, Voice & SMS APIs for Every Platform. Enables you to communicate faster and easier, Developed with tech innovations. Spring Edge's ingenuous cross platform APIs are easy to integrate with any technology platform with industry standards to send sms text or voice message. We provide messaging and voice communications using multiple channels to bring the most reliable platform powered by InstantAlerts. Enable business voice and sms text communication with our highly scalable web interface allows to send instant messages or bulk sms using api or web-based platform. Spring Edge strive to provide best in the industry services to clients, our technical support engineers are available at any instant to address your sms and voice related queries.
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    Textlocal

    Textlocal

    Textlocal

    Increase sales and customer satisfaction with smarter SMS campaigns, instant OTPs, notifications, two-way interactions, and other award-winning bulk SMS services. Effortlessly personalize your bulk SMS with names or custom fields, compose in 20+ languages, schedule/stagger your sends, add opt-out path and more. Get best-in-class SMS delivery. Automate sending and receiving SMS from any website, CRM, or application. Access SMS APIs with sample codes in 10+ languages including PHP, Java, .NET & more. Easily insert images, videos, PDFs, spreadsheets & more as shortlinks in your bulk SMS campaigns and grab your customers’ attention. Convey more in 160 characters. Let your customers instantly reach you by just texting into your long codes and keywords. Set auto-replies or take the conversation forward on other channels. Measure campaign outreach and effectiveness with real-time SMS delivery reports, and granular click metrics for all weblinks and attachments sent as Textlocal short links.
    Starting Price: $3.88 per month
  • 16
    Bird

    Bird

    Bird

    Bird (formerly MessageBird) is the next-generation CRM for Marketing, Sales, and Payments, powering over 5 trillion annual messages across Email, SMS, and WhatsApp. Leading brands grow cost-efficiently with Bird through personalized interactions on Email, SMS, and WhatsApp. The world's most innovative companies build communication solutions using Bird's applications and APIs. Get started today and talk to your customers over any channel, for any use case, anywhere in the world. Marketing messages, push notifications, order updates, delivery alerts and more. Operational bottlenecks slowing your growth? Use automated conversations and workflows to collect critical information up front, reduce manual tasks, implement self-service flows, and route chats to the right agent. Get up and running in minutes on our reliable, auto-scaling APIs with extensive documentations, complete API references and intuitive SDKs.
    Starting Price: $45 per month
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    Expert Texting

    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.
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    GreenAds Global

    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 Solutions
    Starting Price: 0.01 $
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    MakeMySMS

    MakeMySMS

    MakeMySMS

    Our most innovative to blast SMS at the massive and easy-to-use platform helps you to connect a large number of recipients with a press of a button! Enhance your sales and customer satisfaction with innovative promotion techniques, OTP, multimedia & API SMS, and bulk SMS API. Don't have a Bulk SMS account yet? Signup now to Send Bulk SMS Online from your company or brand name. If you want to create any business online or offline, you can schedule and send SMS campaigns with bulk SMS software. It is a user-friendly interface and can be managed by any person without any special skills. Easily create and manage your sender ids. Using Bulk SMS services you can communicate with your customers, safely and securely. Bulk SMS service providers shield your user’s privacy and security. It is a reliable source of communication and a flexible tool with the highest returns. Readability and response are higher than any other channel.
    Starting Price: $24.24 per package
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    CM.com

    CM.com

    CM.com

    Mobile communication and payments solutions. Combine messaging channels like WhatsApp with innovative payments to create true Conversational Commerce. We help companies communicate. Our customers use SMS, Voice and the world’s most popular chat apps: WhatsApp, Apple Business Chat, Google RCS. Start the conversation in the channel your customers prefer and let the AI bot do the talking. Integrate commerce in the conversation to drive conversions. CM.com is a licensed Payment Service Provider, offering a range of options for any channel with Apple Pay, Google Pay, WeChat Pay, Credit Cards and local payments like iDeal and Bancontact. CM.com is also a Ticketing platform helping festivals, museums and stadiums sell and manage any type of ticket. The Customer Data Platform takes marketing to a personal level. Identity and e-sign solutions assure authentication in any transaction.
    Starting Price: $0/month
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    Altiria SMS
    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.
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    smsmode

    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 Commitment
    Starting Price: €9 per month + 4.40 cts / SMS
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    Textbelt

    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
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    Textr Team
    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
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    Fast2SMS

    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
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    CDYNE

    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.
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    Bandwidth

    Bandwidth

    Bandwidth.com

    You want the best quality voice, messaging, and more. To get them, you need the only API provider with its own nationwide network. You can eliminate the middleman, save on costs, give yourself more control, and build the application that your customers are craving. You’re not new to this, but you need a partner to help you reach the scale you know you’re capable of. Whether you’re bringing your own carrier or building your own solution from the ground up, Bandwidth has the tools you need to reach your maximum potential. Bandwidth is a communications platform with limitless flexibility. You need integrations, enterprise-class APIs, and tools to manage your communications stack intelligently. We are open where you need it the most, with optionality and control. Our global network is directly connected to where it matters most. Giving unmatched reliability. Bringing your customers closer. Scaling wherever your business takes you.
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    The SMS Works SMS API
    At the SMS Works, we only bill you for delivered text messages. Our prices are amongst the lowest in the UK. Message costs start at 3.45 pence + VAT and go as low as 2.75 pence for larger volumes. On average, our customers save over 30%. Compare us with other SMS Gateway companies on our price comparison table. Contact us for a quote if you'd like us to beat an existing price. For high SMS volume customers, sending and receiving over 50,000 texts a month, we offer even lower rates. With our free SMS API, you only pay for SMS credits; there’s no contract or minimum order. We only charge you for delivered messages. Failed texts are credited straight back to your account. Almost all SMS companies charge for failed texts, when they haven't been charged themselves. You can save as much as 18% by not paying for undelivered texts. Our delivery reports give you a detailed outcome of all texts sent, including refunded SMS credits.
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    TheTexting

    TheTexting

    TheTexting

    TheTexting’s Messaging API allows you to exchange Short Message Service (SMS) and Multimedia Message Service (MMS) communications to 180+ countries worldwide. Using TheTexting’s powerful Messaging API, users send millions of messages around the globe every day. With simple integration and a 24/7 technical support, you can enjoy the perks of swift global communication and enable messaging on any website, application or system. Plus, you can facilitate two-way messaging where applicable using long numbers as well as send messages with your business name where Sender ID is supported. In simple terms, an API is a set of clearly defined methods of communication between various software components. In Messaging, an API is used as a bridge that connects a software/application to a Messaging provider application to serve as a relay in sending messages to mobile users. This allows users to integrate messaging services with their website, third-party applications, mobile applications and CRM.
    Starting Price: $0.06 one-time payment
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    sms77

    sms77

    sms77.io

    Professional solutions for your company to send and receive SMS. Online, via API, by email or directly in your app. Easy. Fast. Reliable. We send via the best routings with high reliability. We make sure your SMS are delivered. Our prices are fair and transparent. You only pay for what you use. Thanks to our SMS API, the SMS transmission can be integrated into almost any application in a short time. Use our SMS Gateway with groundbreaking technology for your application. Realize your projects with our powerful messaging APIs.
    Starting Price: 0.075€ per SMS
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