Best SMS API Providers in the USA of 2026

Notifyre

Notifyre's SMS API is a REST API for sending, scheduling, and receiving text messages from your own software. It includes official .NET and Node.js SDKs, quickstart documentation, token authentication per environment, and real-time webhooks with HMAC signature verification for delivery status and inbound SMS and MMS. Endpoints cover sending and scheduling messages, tracking delivery, managing numbers and sender IDs, and bulk importing contacts. Pricing is pay as you go at 2 cents per SMS with carrier fees included, free inbound replies, no platform fees, and wallet funds that never expire. Notifyre handles US carrier (10DLC) registration with hands-on guidance so API traffic stays deliverable. Infrastructure runs at 99.99% uptime, ISO 27001 certified and HIPAA compliant with AES 256-bit encryption. Rated 4.7/5 from 1,187 reviews. Unlike bigger SMS APIs, support comes from a local U.S. team on live chat and phone, with a responsive account manager, not ticket queues.

63 Ratings

Starting Price: 2¢/SMS part; 3¢/fax page (USD)

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Signalmash

The Signalmash SMS API is a REST API for sending and receiving SMS and MMS on 10DLC, toll-free and short-code numbers, with delivery receipts, inbound webhooks, automatic opt-out handling and RCS with SMS fallback on the same endpoint. Signalmash runs on direct Tier-1 US carrier connections (AT&T, Verizon, T-Mobile and Bandwidth), publishes flat per-message and per-minute rates with carrier fees passed through at cost, and gives every customer a dedicated Slack or Microsoft Teams channel with named engineers instead of a ticket queue.

16 Ratings

Starting Price: $19

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800.com

800.com is a business phone and call tracking platform that helps small and growing businesses understand, manage, and respond to inbound calls more effectively. The platform provides local and toll-free numbers, call tracking, call recording, voicemail, SMS, and detailed call reporting so teams can see where calls come from and how they’re handled. Businesses use 800.com to track phone leads across websites, ads, social media, and offline marketing, improve response times, and follow up on missed calls. With integrations for Google Ads, GA4, Meta, Microsoft Ads, and popular CRMs, 800.com connects call data to marketing and sales workflows. The platform is easy to set up, flexible as businesses grow, and designed to turn phone calls into clearer insights and better customer experiences.

2,381 Ratings

Starting Price: $19 per month

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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 Verification

19 Ratings

Starting Price: $0.00500 / SMS on 10DLC

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ClickSend

ClickSend is a simple, global SMS platform built for developers and the businesses they support. Built on a battle-tested API that always delivers with: - Billions of messages delivered globally - Direct routes only to 190+ countries - 99.95%+ uptime - Lightning-fast delivery - Pay-as-you-go pricing — no lock-ins - 24/7 support from people who actually understand APIs - It works straight out of the box — and keeps working as you scale. Already use Zapier, ActiveCampaign, Make or Power Automate? There are pre-built integrations ready to go. Sign up and send your first message in minutes with free test credits. Perfect for: alerts, 2FA codes, marketing campaigns and transactional messaging.

73 Ratings

Starting Price: $20 minimum topup

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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.)

49 Ratings

Starting Price: $59 per month

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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.

50 Ratings

Starting Price: $24.50/500 texts

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Linq

Linq App

Linq is a developer-focused messaging infrastructure platform that lets businesses and AI applications communicate with users through iMessage, RCS, SMS, and voice. Its APIs support features such as emoji reactions, voice notes, rich media, typing indicators, group chats, and other conversational interactions that feel more like native messaging than traditional business texting. Developers can integrate Linq into their applications to power AI assistants, customer workflows, reservations, alerts, support experiences, and other messaging-based services. The platform is designed for high-volume, low-latency delivery and offers enterprise features such as encrypted data handling and SOC 2 Type II compliance. Linq also provides tools for building conversational AI agents that operate directly inside messaging apps without requiring users to download a separate application.

33 Ratings

Starting Price: Free

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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.

52 Ratings

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Twilio

Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.

13 Ratings

Starting Price: $0.0085 per min

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Telnyx

Telnyx is a global communications infrastructure platform that provides voice, messaging, networking, and AI-powered real-time communication capabilities through a fully owned telecom stack. The platform combines carrier-grade networking, programmable identity systems, AI inference, and low-latency communication infrastructure to support real-time conversational AI agents and enterprise communication workflows. Telnyx owns and operates its entire network stack, including physical infrastructure, mobile core systems, edge processing, and AI compute layers, enabling faster performance and lower latency without relying on third-party telecom providers. The platform offers tools such as voice agent builders, speech-to-text, text-to-speech, global phone numbers, AI orchestration, and programmable compliance controls for building intelligent voice and messaging systems.

8 Ratings

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HeroSMS

HeroSMS is an online platform that provides temporary virtual phone numbers for receiving SMS verification codes. Users can select numbers from over 180 countries to register accounts on social networks, marketplaces, and various online services. The platform supports hundreds of popular services, including Google, WhatsApp, Telegram, TikTok, and more. Codes are delivered instantly through the website or API, making the process fast and automated. With more than 500,000 numbers added daily, HeroSMS ensures high availability and competitive pricing. The service also offers tiered discounts, an affiliate program, and API access for bulk operations. Designed for both retail and wholesale users, HeroSMS enables secure and anonymous account verification without a physical SIM card.

11 Ratings

Starting Price: $0.1

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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.

7 Ratings

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TextGrid

Switch to TextGrid without worrying about touching your code. Our team of technology experts have engineered a battle-tested way to switch from Twilio to TextGrid by replacing only 1 line of your code. Simply switch your base URL from Twilio to TextGrid. Your switch will not affect any of your team’s code. Over 190 countries across North America, Europe, Asia, Oceania, South America, and Africa. Send messages to 190 countries. Customize your sender ID in 100 countries outside of the US and Canada. We built a resilient code architecture and a diverse technology stack to avoid outages. We built redundancy into our systems so that data and processes are online in any given stress-test scenario. TextGrid upholds to the highest level of privacy and security to meet the needs of our customers, including those that require HIPAA compliance.

13 Ratings

Starting Price: $.0035 (Outgoing)

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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.

1 Rating

Starting Price: $749 per month

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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.

1 Rating

Starting Price: $0.012 per SMS

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Blooio

Blooio is an iMessage API and business messaging platform that lets companies send and receive Apple iMessages using dedicated phone numbers. Connect through a REST API, HighLevel, n8n, Make, Zapier, or webhooks to automate iMessage conversations at scale. Send messages, track delivery, manage contacts and groups, show typing indicators, and receive real-time webhook events. Automatic RCS and SMS fallback ensures every contact is reached regardless of device. Built for sales teams, marketing agencies, support departments, and AI agent builders. Use Blooio to power lead follow-up sequences, appointment reminders, chatbots, and outbound outreach with the highest reply rates in messaging. Enterprise features include number pools, auto-scaling, auto-unbanning, FaceTime calling, custom area codes, and white-label support. 99% delivery rate across 10M+ messages sent. Free trial available. No credit card required. Full API docs and OpenAPI spec on the website.

1 Rating

Starting Price: $39

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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.

1 Rating

Starting Price: $9.95 per user per month

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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.

2 Ratings

Starting Price: $45 per month

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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.

3 Ratings

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Twilio Messaging

Twilio

Twilio's Messaging API is a powerful tool that enables businesses to integrate messaging capabilities into their applications seamlessly. It offers a stable RESTful API that allows developers to send and receive SMS, MMS, and WhatsApp messages globally. With Twilio's Messaging API, businesses can automate and scale their communications, ensuring messages are delivered over the preferred channels of their customers. The API supports a variety of sender types, including long codes, short codes, toll-free numbers, and alphanumeric sender IDs, providing flexibility in how messages are sent. Additionally, Twilio's Messaging Services feature allows companies to group global senders and enable intelligent sending, automating sender selection, and handling compliance regulations. The API also supports inbound webhooks, allowing businesses to handle responses programmatically and engage in two-way conversations with their customers.

Starting Price: $0.0079 per message

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Twilio Verify

Twilio

100% Protection from SMS pumping fraud with Verify. Verify is a fully managed API for multichannel user verification. And it now includes guaranteed protection from SMS pumping fraud with Fraud Guard. Terms apply. A multi-channel user verification solution in one turnkey API. Add seamless two-factor authentication to your onboarding and login flow with a single API that does the work of a full one-time password (OTP) delivery solution. Fraud Guard has already saved customers over $46 million by blocking over 398 million* fraud attempts. With first-to-market innovation, Fraud Guard offers 100% protection against SMS pumping fraud. Quickly integrate a ready-use solution that handles all your connectivity, channels, code generation, fraud monitoring, and more using native software—so you don’t have to. Reduce fraud across your multi-channel user experience with phone number verification that uses one API endpoint to validate users and detect fraud with minimal friction.

Starting Price: $0.05/successful verification

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Sweego

Mindbaz

Sweego is a multichannel (email & sms) notifications platform for developers. Sweego allows users to send transactional, engagement, and CRM messages through channels like email and SMS. The platform provides APIs and webhook system to integrate notifications and messaging capabilities into applications. (SAAS, Mobile, Desktop, whatever...) We offer SMTP Service or API to send emails or sms. We offer Inbound Email routing feature, we got email, parse it and deliver in JSON by webhook. 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

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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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thinQ

Commio

thinQ offers a "better way" to power voice and SMS/MMS text messaging applications in the cloud, get up and running fast with our new, integrated thinQ io portal or APIs. We make it easy for SaaS and UCaaS platforms, enterprise contact centers plus telecom VoIP providers to bring your own 40 high-quality carriers to Twilio, Nexmo, Plivo, SignalWire or any SIP connection. Use our APIs to add and control your inbound and outbound voice and texting features in your existing tech stack in minutes, save on your cost of goods, connect to existing SIP providers, improve call delivery and quality, and more. Our now fully-integrated thinQ.io Web platform also makes it easy to buy and port phone numbers, create route profiles and trunks, enable text messaging, and more. Add call-specific analytics and SIP ladders along with our five-star support team to mitigate and route around outages, create custom routes and blocks, and more – and you've found a "better way" to communicate.

Starting Price: $500

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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

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

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©

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 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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Best SMS API Providers in the USA

Compare the Top SMS API Providers in the USA as of October 2026

What are SMS API Providers in the USA?

Notifyre

Signalmash

800.com

Telgorithm

ClickSend

Textellent

Textmagic

Linq

BulkSMS.com

Twilio

Telnyx

HeroSMS

SMSLocal

TextGrid

TextUs

Fast2SMS

Blooio

GoFax

Bird

Expert Texting

Twilio Messaging

Twilio Verify

Sweego

GreenAds Global

thinQ

MakeMySMS

CM.com

Altiria SMS

smsmode

Textbelt

Best SMS API Providers in the USA

Compare the Top SMS API Providers in the USA as of October 2026

What are SMS API Providers in the USA?

Notifyre

Signalmash

800.com

Telgorithm

ClickSend

Textellent

Textmagic

Linq

BulkSMS.com

Twilio

Telnyx

HeroSMS

SMSLocal

TextGrid

TextUs

Fast2SMS

Blooio

GoFax

Bird

Expert Texting

Twilio Messaging

Twilio Verify

Sweego

GreenAds Global

thinQ

MakeMySMS

CM.com

Altiria SMS

smsmode

Textbelt

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