Skip to main content

Message customers with a reliable SMS API service

Reach a broader audience with a scalable SMS API perfect for developers and user-friendly SMS software for all your teams.

Img bm sms hero

Complete your mobile omnichannel reach with a unified SMS API

High open rates

One of the highest rates among communication channels, ensuring that your message is seen by nearly every recipient.

Immediate delivery

SMS notifications are delivered almost instantly, making them ideal for time-sensitive information.

Wider reach

With mobile phones prevalence, SMS engages vast audiences, including those without internet access or your app.

Scale business text messaging with a reliable SMS API

Img bm sms 04 Img bm sms 04

Manage personal and bulk messaging via one dashboard that pilots our SMS API

Allow any team to quickly send tailored SMS from our user-friendly dashboard.

Campaign template builder: Craft impactful omnichannel campaigns and mobile messages with our intuitive interface.

Channel sequencing: Programmatically time and sequence your SMS messages alongside in-app, WhatsApp, and push notifications.

Analytics: Analyze performance via Channel Analytics, Campaign Reports, and User-level Insights.

Img bm sms 05 Img bm sms 05

Use a single API to integrate SMS and other mobile channels

Simplify system integrations of SMS and other mobile communication channels with one unified, omnichannel communication API. 

Minimal coding required: Leverage a highly abstracted omnichannel SMS API and robust communication infrastructure to reduce development and maintenance time.

Comprehensive documentation: Access step-by-step integration guides in our detailed documentation.

Img bm sms 06 Img bm sms 06

Secure and compliant SMS API

Safeguard your business messaging with our secure and compliant SMS API and communication platform.

Acquire phone numbers: Select from 10DLC, short-code, and toll-free numbers in the US and Canada.

Message purging: Secure SMS content with automatic purging, deleting debug logs by default after 30 days.

Regulatory compliance: Navigate GDPR, CCPA, and other regulations with our compliance ready platform.

Deliver critical SMS messages across
the entire customer journey

Alerts and notifications

Send time-sensitive SMS notifications and account alerts via a reliable SMS API.

Appointment reminders

Minimize no-shows with SMS reminders sent from your systems with our SMS API.

SMS marketing

Deliver SMS marketing messages and promotions to boost leads and sales with our SMS API.


Authenticate users via SMS to block bots and build customer confidence.

Add SMS communication to your stack in minutes 

Integrate SMS to your system workflows quickly with a developer-friendly SMS API.

  • Platform API
            import requests

# Configuration
url = "YOUR_BASE_URL/v2/notifications"
headers = {
    "Api-Token": "YOUR_API_TOKEN",
    "Content-Type": "application/json"
payload = {
    "template": {
        "key": "sms_template",
        "variables": {
            "user-1": {"first_name": "Chase", "datetime": "2024/03/18", "appointment_number": "388031"}
    "targets": ["user-1"],
    "mode": "realtime"

# POST request
response =, json=payload, headers=headers)


What is an SMS API?
Why is SMS messaging effective for businesses?
What features should I look for in an SMS API provider?
How does Sendbird's SMS API stand out?
Can I integrate Sendbird's SMS services with my existing applications?