Top-rated 2-way SMS API for Software Companies
Building Conversational SMS into your SaaS products has never been easier
Maximum deliverability through automation and free expertise
To ensure maximum deliverability and regulatory compliance, traffic passing through the Telnyx Messaging API is optimised by automated rules. It's also reviewed by our expert team, renowned for their customer support.
Award-winning, billion-scale Messaging API
Work with a 2-way SMS API that delivers results at scale. Our messaging platform has processed billions of messages, and regularly wins category leader awards for its performance and ease of use.
Complete Messaging Number Setup in seconds programatically
Empower your SaaS users to enable conversational SMS instantly. Through our API, your application can provision and submit registration requests for multiple numbers - including 10DLC and Toll-Free - in real time.
See our SMS API PricingCustomers typically save 30% by switching to Telnyx, with lower list pricing and automatic volume discounts.
2 Way SMS in 2 Minutes
Our latest releases.
Switch from Twilio in minutes, with minimal changes to your existing messaging code.
Toll Free Messaging Verification API
Bulk register Toll Free Messaging numbers in minutes or even seconds.
Enable two-factor authentication through text or call in just two simple steps.
Explore Verify API
Create the experience you want.
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SMS notificationsIntegrate two-way texting to manage all your customer inquiries, rescheduling and critical updates, all from your office phone number.
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Text appointment remindersEmpower patients or customers to manage appointments through two-way SMS prompts to reduce no-shows.
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Two Factor AuthenticationBuild a custom experience, using secure SMS codes to verify user account credentials and keep your data safe.
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SMS marketingAutomate customer retention and prospect marketing efforts with dynamic campaigns based on custom audience segmentation.
Talk to our product experts
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Log in to chat to our 24/7 support team directly in the portal or visit our Support Center if you have questions about our products or services.
Email our legal team at [email protected] for any violation incidents.
Frequently Asked Questions
Two-way SMS opens up conversations with customers by sending messages and letting recipients respond to those messages, allowing for real-time dialogue. Two-way SMS can be automated using keywords that prompt responses when customers text those keywords to your two-way SMS number.
To get started, sign up for a Portal account, then follow the steps in our quickstart guide to buy a Messaging-capable number, create a messaging profile, complete appropriate registrations and start sending or receiving text messages.
An SMS API works by allowing developers to simply connect our external SMS interface into your existing infrastructure, to enable a smooth passing of commands and responses from your application to the interface and back for sending and receiving of SMS anywhere in the world.
The typical open rate for SMS is over 90%, with most of that being in the first 3 minutes. For email marketing, its typically around 4-5x lower. This is why the most successful companies are integrating conversational SMS into their marketing strategies.
Yes, we provide SDKs in Python, Java, Node, Ruby, .NET and PHP, with more coming soon. These API wrappers help make cut down integration, so you can get to market faster.
Yes! In fact this "hybrid" use case is one of our most popular with SaaS companies. You can run a marketing campaign to customers, respond to their replies in real time via the customer support team, and really take the customer experience to a new level.
Yes, and in fact we offer our own SIM cards. You can learn more about these here.