Simple, Powerful, Scalable SMS API

API’s Integratration Features into your own software
using your preferred programming language.

Gain immediate access to all the necessary resources for seamlessly integrating SMS functionality into your software, which includes receiving 20 free credits for testing purposes.

Our APIs are changing!

We are pleased to announce that we are upgrading our APIs and platform. To learn more about these enhancements, we invite you to visit our Developer Centre. Rest assured, we offer support for all programming languages, including PHP, .NET, C#, Java, Python, Ruby, and more. We continuously update our documentation with new software development kits (SDKs) to provide you with the latest tools and resources.

SMS API Features

Harness the capabilities of fastsms by seamlessly integrating its powerful features into your own application. Enjoy the flexibility to access these features using either HTTP or SMTP protocols.

Send SMS Via API

Effortlessly send text messages up to 918 characters in length directly from your application using either HTTP or SMTP protocols.

Manage Users

Create sub-users instantly with individual credits, contact info, and settings for efficient management and customization within your system.

Custom Reports

Easily retrieve specific user data from reports to review usage, message content, and other relevant information. Simplify your analysis and monitoring processes.

Inbound SMS Via API

Receive inbound messages directly into your application by utilizing automatic HTTP POST forwarding. Simplify message handling and integration with your app.

Manage Contacts

Ensure data cleanliness by synchronizing your fastsms contacts with your own application, maintaining consistency and accuracy across platforms.

Message Status

Verify the delivery status of a specific sent message to determine if it was successfully delivered. Stay informed about message status.

API Sandbox

Verify your parameters and debug the code within your application for optimal performance and functionality.

Loopback Account

Request a loopback account to test your code for free. Use it to ensure smooth functionality and performance.

Expert Support

Direct access to our in-house developers who are dedicated to providing you with exceptional support for all your API needs.

Enable Your Applications with SMS in Minutes

Two- Factor Authentication

Secure your applications at scale by ending dynamic verification codes.

Alerts and Notification

Send automated notifications, account alerts, and reminders.

SMS Marketing

Engage customers throughout their journey for a seamless experience.

SMS Survey

SMS messaging to send and receive surveys for effective data collection.

SMS Autoresponder

Customer support even when you're away by setting up automated.

Appointment Reminders

Implementing automated reminder messages sent from your systems.

Global SMS Coverage

Powerful Features Out of the Box

Powerpack for SMS

Enjoy consistently high SMS delivery and open rates, regardless of the volume or send rate, ensuring reliable and effective communication with your audience.