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Got questions about Sendbird? Call +1 463 225 2580 and ask away. 👉

The best SMS API for notifications

Empower all your teams with a scalable SMS API service for business notifications. 

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Drive engagement and retention with SMS notifications 

Increase open rates
High open rates

With high open rates, SMS ensures your messages get on every recipient's mobile phone.

Increase reach
Immediate delivery

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

Fast delivery
Wider reach

SMS engages vast audiences via the telecommunication network, including those without internet access or your app.

 SMS API and software, together at Last.

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High-impact SMS campaigns, made easy

Create successful SMS campaigns with personalized messages and precise audience targeting. 

Message & template builder: Craft personalized SMS messages and build reusable templates for your SMS campaigns.

Channel sequencing: Leverage SMS for acquisition and as a fallback to your in-app, WhatsApp, KakaoTalk, and push notifications.

Analytics: Track SMS campaign performance in your dashboard and optimize your omnichannel strategy. 

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Easy SMS integration for any stack

Programmable SMS for developers with a robust SMS API service. 

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

Comprehensive SMS API documentation: Access step-by-step integration guides in our detailed Business Messaging product documentation.

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Enterprise-grade SMS security & compliance

Safeguard customer messaging with our secure and compliant SMS API and omnichannel business messaging solution.

Acquire phone numbers: Select from 10-DLC SMS, short-code SMS, and toll-free SMS 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.

Built for marketing. Trusted by operations. Ready for anything.

alerts
SMS alerts notifications

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

appointment
SMS reminders

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

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SMS marketing

Deliver SMS marketing messages and promotions to boost leads and sales.

verifications
SMS Verifications

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

SMS integration in minutes 

Streamline SMS API system integration via our highly abstracted omnichannel messaging API and get in-appWhatsApp, and push notifications messaging channels all at once. 

  • 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 = requests.post(url, json=payload, headers=headers)
          

FAQ

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