Best SMS API Providers in the USA

Find and compare the best SMS API providers in the USA in 2026

Use the comparison tool below to compare the top SMS API providers in the USA on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    TextUs Reviews

    TextUs

    TextUs

    $749 per month
    854 Ratings
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    TextUs is the best text messaging service provider for businesses looking to have real-time conversations, with candidates, leads, employees, and customers. Text messaging is one the most engaging and engaging ways to communicate directly with customers, candidates for jobs, employees, and leads. Two-way, 1:1 messaging encourages engagement and response. Teams get 10x more responses to text messages than email and phone. Business text messaging is now a viable medium of communication that is more effective than traditional media. TextUs is designed to look like the familiar SMS Inbox. It allows users to manage contacts, conversations, campaigns, and other information. You can use the TextUs web application from your desktop or the Chrome extension to your CRM or ATS. Use the mobile app to send and respond on-the-go.
  • 2
    Notifyre Reviews
    Top Pick

    Notifyre

    Notifyre

    2¢/SMS part; 3¢/fax page (USD)
    47 Ratings
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    Incorporate Notifyre's REST API seamlessly into your current SMS messaging processes to quickly download, send, receive, and access SMS information within minutes. We provide example code in .NET, Node.JS, PHP, and cURL, along with webhook support. With our Twexit functionality, transitioning to our service requires only minimal code adjustments.
  • 3
    Twilio Messaging Reviews

    Twilio Messaging

    Twilio

    $0.0079 per message
    1,096 Ratings
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    The Twilio SMS API is an advanced solution that empowers organizations to effortlessly incorporate messaging functionalities into their applications, establishing a direct and effective line of communication with their customers. Capable of sending and receiving SMS messages worldwide, the API accommodates a diverse array of applications, including transactional notifications, appointment confirmations, marketing initiatives, and customer service interactions. Key features of the API encompass message scheduling, tracking delivery statuses, and accommodating lengthy messages, enabling businesses to fine-tune their communication strategies to suit unique requirements. Furthermore, Twilio's SMS API is built for scalability, allowing companies to manage large volumes of messages without difficulty. It comes with extensive documentation and a developer-friendly interface, simplifying the implementation and customization process, while Twilio's dependable infrastructure guarantees consistent deliverability and performance.
  • 4
    Twilio Reviews
    Top Pick
    Twilio's SMS API enables organizations to seamlessly incorporate advanced messaging features into their applications, significantly improving customer interaction and engagement. By utilizing Twilio's cloud-based infrastructure, businesses can send and receive text messages across the globe, facilitating hassle-free communication with their clientele. The SMS API provides a RESTful interface, making it easy for developers to implement messaging capabilities in any programming language. Twilio also offers Helper Libraries to streamline this process, allowing for quicker development and implementation of messaging solutions. With Twilio's SMS API, businesses can take advantage of a pay-as-you-go pricing structure, which promotes affordability by charging solely for the messages that are dispatched and received. This adaptable pricing model enables companies to expand their messaging services as necessary without facing excessive costs.
  • 5
    Signalmash Reviews
    Signalmash is a specialized CPaaS platform designed for companies that value dependable messaging infrastructure paired with hands-on, human support. No complicated pricing tiers. No long support queues. Just direct access to real experts to help you build faster and deliver better customer experiences. Enterprise clients work directly with our engineering team via a dedicated Slack channel. We offer direct Tier-1 carrier connectivity with AT&T, Verizon, and T-Mobile, along with a 94% first-pass approval rate for 10DLC campaigns. Messaging SMS: 10DLC, short codes, toll-free RCS: Rich messaging and media via API or no-code tools Voice SIP trunking, VoIP, inbound and outbound calling Numbers & Identity Local, short code, and toll-free numbers Branded Caller ID (BCID) Number Intelligence CNAM lookups, carrier details, line type (wireless vs. landline), and federal DNC checks Signalmash combines enterprise-level performance with a high-touch, partner-first support model.
  • 6
    800.com Reviews
    Turn the world into your office. 800.com allows you to manage your business from your cell phone. No contract, advanced calling features, forwarding for cell phones, and advanced calling features Increase conversions, brand recall, higher call response, and SMS messaging. Manage extensions, send professional greetings and manage your account online. 800.com offers standard forwarding as well as simultaneous and sequential ringing. Toll free numbers are the best standard for telephone numbers and will be taken seriously by US customers. Local numbers signal that your company isn't focused on doing business in the entire country. Every 800.com member has access to every phone system tool, regardless of the plan they choose. You will not only help your customers avoid long distance fees but also your company.
  • 7
    Telgorithm Reviews
    Top Pick

    Telgorithm, Inc.

    $0.00500 / SMS on 10DLC
    19 Ratings
    Telgorithm is the only A2P SMS API provider that automates the SMS & SMS journey and guarantees message delivery for the most reliable messaging experience. Telgorithm was founded by telecom industry professionals who have been customers of API providers in the past. Their mission is to provide a more transparent business messaging service that allows businesses to focus on scaling their operations. Telgorithm automates all steps of registration, onboarding, Campaign vetting and support for long-term compliant SMS/MMS messaging. This helps businesses increase their revenue while decreasing overhead costs. We guarantee delivery with our patent-pending smart queueing technology, which ensures messages are delivered on time and are not affected by volume limits.
  • 8
    Textellent Reviews
    Top Pick

    Textellent

    Textellent

    $59 per month
    49 Ratings
    Textellent offers robust business texting services, including SMS, MMS, and customer service. Textellent's business SMS and text message marketing solutions simplify designing, managing, and measuring SMS and MMS campaigns. Textellent is a simple-to-use service that texts-enables local business lines, allowing you to text customers for marketing, customer service, and sales from a number they already recognize. You can use Textellent to schedule and manage appointments, including booking, confirmations, reminders, and follow-ups. Keywords and shortcodes are also available for easy opt-in programs that comply with the TCPA, supported by AI. Textellent Messenger, a free extension for Google Chrome, supports Business Texting from any web page or web application.
  • 9
    Telnyx Reviews
    Top Pick
    Discover how the Telnyx API is a developer-friendly tool that can transform your business communications. Telnyx is a communication platform that can be customized to meet your specific needs. Our network was designed with real-time communication in mind. We can deliver high quality calls, messaging, data, and data all over the globe. Our SMS API makes it easy to create reliable messaging. Two-factor authentication via SMS or voice codes is a great way to protect your data. You can plug and play your VoIP setup within minutes. Get carrier-grade voice and elastic SIP trunks. You can rest assured knowing that you are protected in the event of a network outage thanks to our cloud-agnostic approach. Telnyx enables communications to be deployed exactly according to specifications.
  • 10
    Expert Texting Reviews
    Avoid confusing your customers with short codes sms and long codes. Instead, use our SenderID based SMS service or the text service to notify them. They can view any incoming message sent to them from your company name, even though your contact information has not been saved. Our SMS API or fast response Text API can be easily integrated to any CRM or existing system. It's so powerful, you can also retrieve your incoming SMS messages. This feature will save you time as you don't need to log in to Expert Texting Area to send SMS(s), to your customers. Expert Texting's unique feature is the Contact Management Module or Group Texting Module. Expert Texting allows you to upload contacts and save them for future use. This eliminates the need for multiple uploads for bulk messaging.
  • 11
    Bird Reviews
    Bird, previously known as MessageBird, represents the future of CRM tailored for Marketing, Sales, and Payments, facilitating more than 5 trillion messages each year across platforms like Email, SMS, and WhatsApp. Top brands efficiently enhance their growth through Bird by engaging in tailored interactions across these channels. Innovative organizations around the globe utilize Bird's robust applications and APIs to create effective communication solutions. Start your journey today and connect with your customers seamlessly across various channels, catering to diverse use cases regardless of location. You can send marketing messages, push notifications, order confirmations, delivery updates, and much more. If operational challenges are hindering your growth, leverage automated conversations and workflows to gather essential information upfront, minimize manual tasks, establish self-service options, and direct chats to the appropriate agents. With our dependable, auto-scaling APIs, you can quickly get started with extensive documentation, comprehensive API references, and user-friendly SDKs at your disposal. Experience the power of streamlined communication and watch your business thrive.
  • 12
    SMS.to Reviews

    SMS.to

    Intergo Telecom

    $10.00/one-time
    2 Ratings
    Communicate with your customers through their chosen channels, whether it be SMS, WhatsApp, or Viber Messages, using the robust platform and API offered by SMS.to. This comprehensive solution enables businesses to engage with customers effectively across various platforms, and our OmniMessaging & SMS API Gateway facilitates seamless integration into your existing workflow. We prioritize compliance with privacy regulations, such as GDPR, thanks to our built-in features designed to safeguard your communications. By monitoring link clicks, you can collect valuable analytics and activity metrics that inform your strategies. Our direct connections with global carriers enhance delivery rates, ensuring timely communication for urgent messages. We are committed to security and transparency, providing thorough reporting on all services you utilize from us, allowing you to understand exactly what you are receiving. Our advanced message editor supports up to five dynamic fields, enabling you to create personalized and engaging content, whether it's for sending tailored reminders or other meaningful messages to connect with your audience more effectively. This approach not only fosters customer loyalty but also enhances overall communication effectiveness.
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    Blooio Reviews
    Blooio serves as a robust platform for iMessage APIs and business messaging, enabling organizations to send and receive Apple iMessages through specific phone numbers. By utilizing a REST API, along with integrations like HighLevel, n8n, Make, Zapier, or webhooks, users can automate large-scale iMessage interactions seamlessly. With features that allow users to send messages, monitor delivery status, manage contacts and groups, display typing indicators, and receive real-time webhook notifications, Blooio enhances communication efficiency. Additionally, its automatic RCS and SMS fallback functionality guarantees that every contact is successfully reached, no matter their device. Designed specifically for sales teams, marketing agencies, support divisions, and AI agent developers, Blooio can facilitate lead follow-up campaigns, appointment notifications, chatbots, and outreach initiatives, achieving some of the highest response rates in the messaging landscape. Enterprise-level capabilities encompass number pools, auto-scaling, automatic unbanning, FaceTime calling, customizable area codes, and white-label options, boasting an impressive 99% delivery rate across more than 10 million messages dispatched. A free trial is offered without the need for a credit card, and comprehensive API documentation along with the OpenAPI specification is readily accessible on the website for users looking to dive deeper into its functionalities.
  • 14
    Spring Edge Reviews

    Spring Edge

    SpringEdge Technologies

    1 Rating
    Spring Edge offers innovative Authentication, Voice, and SMS APIs designed for seamless integration across various platforms, streamlining communication processes. With cutting-edge technology, our APIs allow for straightforward integration with any tech infrastructure, adhering to industry standards for sending SMS texts or voice messages. We deliver reliable messaging and voice solutions through multiple channels, all powered by InstantAlerts, ensuring effective communication for businesses. Our user-friendly web interface supports both instant messaging and bulk SMS capabilities, accessible via API or web-based platforms. At Spring Edge, we are committed to delivering top-tier services, with our dedicated technical support team readily available to assist you with any queries related to SMS and voice communications. Our goal is to empower businesses with efficient communication tools that enhance connectivity and responsiveness.
  • 15
    GoFax Reviews

    GoFax

    GoFax

    $9.95 per user per month
    1 Rating
    GoFax is Australia’s top-rated, secure, reliable, and easy-to use online fax and SMS platform. You can send faxes online from any device, at any time, and anywhere. Advanced options for sending and receiving faxes and SMS via the online platform. This includes direct access from email, desktop, mobile app, API integration, and more. Industry-compliant, Government-accredited and nbn-ready solution. Highest-in-class encryption, data sovereigntya, and security. Powering Medical, Legal and Government sectors. Send and receive SMS and faxes online via email, app and API integration. Industry compliant, Government-accredited. Highest-in-class encryption, data sovereignty, and security. Our Fax API / SMSAP is secure, reliable, and packed with features that make integrations with existing software and workflows easy. GoFax®, an ISDN business-grade online faxing service and SMS provider, offers premium quality and reliability. We guarantee a higher level of service up-time than any other online provider.
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    EasySendSMS Reviews
    EasySendSMS is a cloud-based platform that serves as a bulk SMS service and global gateway, aimed at facilitating quick, reliable, and large-scale communication between businesses and their customers. It allows organizations to dispatch marketing communications, transactional messages, and one-time password (OTP) verification codes to users on a global scale via a secure web interface or robust SMS API. With a reach spanning over 200 countries and connecting to more than 1,100 mobile networks, EasySendSMS equips businesses with a flexible framework for executing extensive messaging campaigns and urgent notifications. The platform is adept at managing both minor marketing efforts and extensive enterprise messaging operations, enabling companies to transmit thousands or even millions of messages with ease. In addition, EasySendSMS boasts a developer-friendly REST API, ensuring smooth integration with various platforms such as websites, mobile applications, CRM systems, and SaaS solutions, making it an ideal choice for businesses looking to enhance their communication strategies. This functionality allows businesses to tailor their messaging solutions to meet specific needs and improve customer engagement effectively.
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    GreenAds Global Reviews

    GreenAds Global

    GreenAds Global

    0.01 $
    As a global leader in customer communication solutions, we empower businesses to elevate their customer interactions. Our expertise lies in navigating the complexities of modern consumer engagement, driving growth, and enhancing customer satisfaction through streamlined, secure processes. GreenAds Global offers a comprehensive suite of tools to boost your customer outreach: WhatsApp Business API integration Rich Communication Services (RCS) AI-powered chatbots High-volume SMS campaigns Advanced voice messaging systems Partner with us to transform your customer engagement strategy and stay ahead in today's dynamic business landscape
  • 18
    thinQ Reviews
    thinQ provides a "better" way to power voice and SMS/MMS messaging applications in the cloud. Get up and running quickly with our integrated thinQ io portal and APIs. We make it easy to bring your 40 high-quality carriers to Twilio and Nexmo, Plivo and SignalWire, as well as enterprise contact centers and telecom VoIP providers. Our APIs allow you to quickly add and control inbound and outbound voice, texting, and other features to your existing tech stack. You can also connect to existing SIP providers to improve call delivery and quality. Our fully integrated thinQ.io Web platform makes it easy to purchase and port phone numbers, create route profiles, trunks, enable text messaging, as well as create route profiles, trunks, and other functions. You'll find a "better" way to communicate if you add call-specific analytics, SIP ladders, and our five-star support team to mitigate, route around outages, create customized routes and blocks, etc.
  • 19
    CM.com Reviews

    CM.com

    CM.com

    $0/month
    Mobile communication and payment solutions. Combine messaging channels such as WhatsApp with innovative payments to create Conversational Commerce. We help companies communicate. Our customers use voice, SMS, Voice, and the most popular chat apps, WhatsApp, Apple Business Chat, Google RCS, and WhatsApp. Let the AI bot handle the talking and start a conversation in the channel that your customers prefer. To increase conversions, integrate commerce into the conversation. CM.com is a payment service provider licensed by Apple Pay, Google Pay and WeChat Pay. It offers a variety of options for all channels with Apple Pay and Google Pay as well as Credit Cards and local payments such as Bancontact and Bancontact. CM.com also offers a ticketing platform that helps museums, stadiums and festivals sell and manage any type or ticket. The Customer Data Platform allows you to market on a personal level. Identity and esign solutions ensure authentication in all transactions
  • 20
    klink.cloud Reviews
    klink.cloud, an omnichannel platform for customer engagement, streamlines customer service by integrating voice- and non-voice-communication channels, including in-app calling, social media messaging and SMS. It uses conversational AI and bots to automate interactions, and supports virtual numbers around the world. Klink.cloud is ideal for contact centers and businesses looking to improve customer experience. It offers robust CRM, ticket management and detailed reporting, as well as analytics.
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    AgentPhone Reviews

    AgentPhone

    AgentPhone

    $8 per month
    AgentPhone serves as a platform tailored for developers, providing artificial intelligence agents with the capability to connect to the real-world telephone network by equipping them with genuine phone numbers that can receive both SMS and voice calls via a consolidated webhook system. Users can effortlessly provision phone numbers, manage incoming and outgoing communications, and engage in real-time conversation processing without the need to deal with the intricacies of telephony infrastructure. By abstracting the complexities associated with telecommunications, AgentPhone allows developers to concentrate on creating conversational logic and automating workflows. This platform facilitates the rapid creation of AI agents, empowering them to participate in interactive dialogues, respond to inquiries, and carry out tasks initiated by phone communications in just a few minutes. Furthermore, AgentPhone accommodates both voice and text channels, which enhances the integration of conversational agents into various applications that demand immediate user engagement, ultimately ensuring a smooth and efficient user experience. With its versatile features, AgentPhone is a valuable tool for any developer looking to enhance their applications with intelligent communication capabilities.
  • 22
    CDYNE Reviews
    CDYNE provides dependable and adaptable APIs for SMS, voice communication, phone number verification, and address validation, designed for seamless integration and scalability tailored to your business needs. By leveraging our SMS API gateway alongside these impressive functionalities, you unlock a world of possibilities! Our SMS API equips you with essential tools to enhance sales, increase revenue, foster customer engagement, and maintain strong connections with your clientele. Quickly send bulk text messages to your customers from a recognizable 5-6 digit phone number, ensuring timely communication. You can reach users of your application, website, or software to facilitate secure logins through text messages. Additionally, streamline your SMS campaigns and automate the responses that customers receive after they engage. Recipients have the convenience of opting out of your SMS campaign with just one click. Furthermore, obtain comprehensive reports detailing the number of text messages dispatched, along with other critical insights. With the option to utilize multiple phone numbers, you can amplify your outreach efforts and effectively communicate with your entire contact list. This approach not only enhances customer interaction but also positions your business for greater success in a competitive market.
  • 23
    Bandwidth Reviews
    If you seek top-notch voice, messaging, and additional features, it’s essential to select an API provider that operates its own nationwide network. By cutting out intermediaries, you can reduce expenses, enhance your control, and create the application that your users truly desire. While you may already have experience in this field, a reliable partner is crucial to help you achieve the growth you aspire to. Whether you opt to utilize your own carrier or develop a completely new solution, Bandwidth equips you with the necessary tools to unlock your full potential. Serving as a versatile communications platform, Bandwidth offers extensive flexibility for your needs. You require seamless integrations, robust enterprise-level APIs, and intelligent tools to effectively manage your communication system. We prioritize openness in the areas that matter most to you, providing you with options and control over your operations. Our extensive global network ensures direct connections where it counts, delivering unparalleled reliability. Ultimately, this approach fosters stronger relationships with your customers while allowing your business to scale seamlessly in any direction you choose. Additionally, Bandwidth's commitment to innovation ensures that you are always equipped with the latest advancements in communication technology.
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    TheTexting Reviews

    TheTexting

    TheTexting

    $0.06 one-time payment
    TheTexting’s Messaging API provides the capability to transmit Short Message Service (SMS) and Multimedia Message Service (MMS) communications to over 180 countries around the globe. Utilizing TheTexting’s robust Messaging API, users are able to send millions of messages internationally on a daily basis. With straightforward integration options and round-the-clock technical assistance, you can benefit from rapid global communication while enabling messaging features on any website, app, or system. Additionally, two-way messaging can be supported through long numbers, and you can send messages displaying your business name when Sender ID is permissible. Essentially, an API functions as a structured set of communication methods that facilitate interaction between different software components. In the realm of messaging, an API acts as a conduit linking a software or application to a messaging provider, enabling the efficient transmission of messages to mobile users. This system empowers users to seamlessly integrate messaging capabilities into their websites, third-party applications, mobile apps, and customer relationship management systems, thus enhancing overall communication efficiency. By bridging the gap between various platforms, it ensures that messages are delivered swiftly and effectively.
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    DIDforSale Reviews

    DIDforSale

    DIDforSale

    $0.0025 per minute
    DIDforSale operates as a telecommunications carrier in California, offering a variety of services such as SIP trunking, local DIDs, toll-free numbers, outbound termination, an API, and essential network services like E911, CNAM Lookup, and local number portability (LNP). With over a decade of industry experience, DIDforSale has established itself as a premier provider of wholesale VoIP origination and termination solutions. Our network is finely tuned to ensure a seamless communication experience by significantly reducing the chances of call drops, delays, and audio issues. We collaborate with top-tier service providers across the United States and internationally to ensure your calls are transmitted with exceptional clarity. Expand your local presence with the most comprehensive selection of local phone numbers available in the USA. Simplify your marketing efforts and enhance your impact through bulk SMS campaigns. This approach not only boosts your professionalism and credibility but also broadens your outreach and engagement with customers. Now, you can effortlessly send and receive text messages through automated systems, which can significantly improve your business branding and customer recall. By leveraging these innovative communication methods, you can gain a substantial competitive advantage in your market.
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