Power Your Application with Our SMS API

Connect your app to TopMessage’s powerful SMS messaging API and start sending texts instantly. Our reliable, scalable SMS platform API ensures global delivery and real-time communication.

Integrate SMS API
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Young woman receives SMS message about a clothing promotion using a mobile SMS messaging API, with call-to-action buttons to call or visit a website.

Trusted by 3000+ companies worldwide

Rhino Air
Luzeen
Partner Luzeen
Partner 443
Partner inplaywise
Partner g-tec
Man on the street reading an SMS appointment reminder.
Elderly man in the snow checking his mobile for location via WhatsApp business message
Girl with a red cap reading a WhatsApp business message on her phone
Girl with a tattoo checking her phone for a rock festival invitation received via WhatsApp
Girl with a backpack at the station checking an SMS about her arriving taxi

Why Businesses Choose Our SMS Messaging API

99%

of SMS messages are successfully delivered

90%

of SMS are read within 3 minutes of delivery

32%

of recipients click through message links

20%

of revenue is attributed to SMS messaging

Pricing

Maximize Your Reach with the Industry’s Best SMS

Stop overpaying for low open rates. We offer unbeatable delivery speeds and a Price Match Guarantee.

Starting at

$ 0.03

$ 0.018

per message

Claim 20 credits

1 Credit = 1 SMS

Extend Your Global Reach with TopMessage's Powerful SMS Platform API

Explore TopMessage's SMS platform API, designed for seamless integration, unmatched stability, and competitive pricing in the programmable messaging space. With ready-to-use code snippets in multiple languages, you can integrate quickly and unlock reliable, global SMS messaging API capabilities to scale your communication and boost engagement.

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No credit card required

Why Businesses Choose TopMessage SMS API

Reliable Integration

Our SMS messaging API offers dependable integration, supporting high-volume messaging with consistent performance and easy implementation across your systems.

Global Connectivity

TopMessage’s SMS platform API is built to help you connect with audiences worldwide, ensuring smooth and fast delivery across global networks.

Scalable Solutions

As your business grows, our business SMS API grows with you—ready to handle increasing volumes without compromising speed or reliability.

Robust Security

We protect your data and communications with enterprise-grade security protocols, ensuring safe usage of our SMS API service.

Ready to Use API Script

Quick-start your SMS API integration using prebuilt code snippets in cURL, Java, Python, Node.js, C#, PHP, and Ruby for fast deployment.

Instant Connectivity

Reach your customers in real time with our SMS sending API, perfect for alerts, updates, and time-sensitive notifications.

How It Works

Simple Steps to Get Started

1

Obtain API Key

Generate your secure API key or use the default one to authenticate every request made to our SMS platform API.

Interface showing API key generation for SMS messaging API integration
2

Create SMS Sender

Set a custom sender name that reflects your brand, or use a dedicated virtual number for two-way messaging within our all-in-one messaging inbox

Form interface for setting up a custom SMS sender name using the SMS platform API
3

Test Your Code

Use ready-made code snippets designed for your preferred programming language to test the API to send SMS and ensure smooth performance.

Sample SMS API code snippet with test message preview on mobile device

How to Integrate

SMS API Integration

Key Features ofTopMessage SMS API

Get started fast with our solutions

Dynamic Templates

Branded Sender

Virtual Numbers

Automated Messaging

Link Shortening & Tracking

Enriched Content

Analytics and Reporting

Zapier Integrations

Webhooks

Verify API

Dynamic Templates

Customize your SMS campaigns using placeholders to personalize messages for each recipient. Dynamic templates streamline text SMS API workflows for targeted communication.

Check Purple IconPersonalize Your SMS Content
Screenshot of TopMessage's dashboard showing various pages and tools

Branded Sender

Use a custom sender name in your API requests to reinforce your brand identity and boost trust and engagement

Check Purple IconCustomize sender names
Screenshot of TopMessage's dashboard showing various pages and tools

Virtual Numbers

Enable two-way SMS communication by using your virtual numbers as the "from" parameter in your SMS requests. This setup allows recipients to reply directly, increasing engagement and response rates.

Check Purple IconIncreased response rate
Screenshot of TopMessage's dashboard showing various pages and tools

Automated Messaging

Use SMS API to streamline workflows and send messages automatically based on specific actions or statuses, enhancing efficiency and enabling timely communication.

Check Purple IconAutomated SMS Sending
Screenshot of TopMessage's dashboard showing various pages and tools

Link Shortening & Tracking

Send shortened links directly through your SMS messaging API and track engagement to optimize performance.

Check Purple IconPerformance Tracking
Screenshot of TopMessage's dashboard showing various pages and tools

Enriched Content

Support for emojis, multiple languages, links, media files, and custom fields makes your messages more engaging and effective.

Check Purple IconMaking SMS engaging
Screenshot of TopMessage's dashboard showing various pages and tools

Analytics and Reporting

Track real-time delivery status, link clicks, opt-outs, and more with API-accessible reports. Optimize strategy using insights from your SMS API integration.

Check Purple IconAccess Detailed Insights
Screenshot of TopMessage's dashboard showing various pages and tools

Zapier Integrations

Automate SMS workflows easily with Zapier. Trigger messages based on actions across your apps for hands-free messaging.

Check Purple IconEffortless SMS Automation
Screenshot of TopMessage's dashboard showing various pages and tools

Webhooks

Use real-time webhooks to respond to message delivery, replies, and inbound messages—perfect for responsive API for SMS messaging setups.

Check Purple IconReal-Time SMS Tracking and Response
Screenshot of TopMessage's dashboard showing various pages and tools

Verify API

Authenticate users via SMS for secure onboarding and transaction validation, powered by our robust SMS messaging API.

Check Purple IconUser Verification
Screenshot of TopMessage's dashboard showing various pages and tools

Integration and Compatibility

Seamless SMS Integration with TopMessage SMS Platform API

TopMessage’s SMS messaging API makes it easy to automate and personalize text communication across the tools your business already uses. Send messages directly from leading platforms like Salesforce, HubSpot, Pipedrive, Zoho, and others. Whether you use native integrations, Zapier, or our RESTful API for SMS messaging, TopMessage’s unified API simplifies SMS integration to fit your workflow.

Salesforce

Salesforce

Connect Salesforce with TopMessage for business texting.

HubSpot

HubSpot

Reach HubSpot contacts with personalized messages.

Pipedrive

Pipedrive

Link the TopMessage's enterprise messaging system to Pipedrive.

Zoho

Zoho

Simplify business texting from Zoho CRM with our solution.

What Our Clients Say

recomended
Customer rhino-air

"As a company providing heating and AC services, staying connected with our customers is crucial. We chose TopMessage for their reliable SMS API, and it’s been a great decision. Sending order confirmations is quick, seamless, and hassle-free."

recomended
Customer luzeen

"As a fashion retailer, we need to keep our customers engaged and informed. TopMessage’s SMS API has been a perfect solution. It’s quick, reliable, and allows us to send real-time order updates and exclusive offers, improving our customer experience every step of the way."

recomended
Customer 443

"Integrating the TopMessage SMS API into our system was simple for our development team. Adding SMS two-factor authentication with just one line of code has made user verification more efficient and helped reduce our operational costs."

Case Study

Strengthening Security with TopMessage's SMS Messaging API Integration

An e-commerce startup boosted account security and login access by integrating TopMessage’s SMS messaging API. In less than 30 minutes, they deployed OTP delivery via SMS API integration for two-factor authentication 2FA, enhancing protection without adding friction for users. Fast SMS delivery improved customer satisfaction and highlighted the reliability of the business SMS API for secure, real-time communications.

User entering credit card details with text highlighting 5-minute OTP setup using SMS messaging API

FAQs

What is the TopMessage SMS Messaging API?

It’s a powerful SMS messaging API that lets you send and receive text messages through your application. It supports automation, global delivery, and real-time communication.

How do I sign up for SMS API access?

You can create an account on our website and start using the SMS platform API immediately—no credit card required.

What documentation is available to help with SMS integration?

We provide clear guides, code snippets, and a full developer portal to simplify your SMS integration process from start to finish.

How do I track the success of my SMS messaging through the API?

Real-time reports help you monitor delivery rates, link clicks, conversions, and more directly through our SMS API software.

Can I automate SMS messaging with the TopMessage SMS API?

Yes, our API for SMS messaging supports automation based on triggers, actions, and workflows using tools like Zapier or your CRM system.

What security measures are in place for the SMS API?

We use secure encryption, token-based access, and webhook authentication to protect all communication through our business SMS API.

How does the Verify API work for SMS?

It sends time-sensitive codes via SMS to authenticate users during login, registration, or transactions using our secure text SMS API.

Integrate Seamlessly

Connect with your audience using TopMessage’s SMS messaging API.

Curly-haired girl sitting on the floor checking her phone for a “Thank You” message received for her subscription