Build with Powerful Communication APIs
Simple REST APIs to send SMS, WhatsApp, and voice messages. Complete documentation, SDKs in multiple languages, and 99.9% uptime guarantee.
  "to": "+919876543210",
  "message": "Hello!"
}
Developer-Friendly API Features
Everything you need to build powerful communication features
REST API
Simple, intuitive RESTful API design with JSON responses
Secure Authentication
API key and OAuth 2.0 authentication for secure access
Comprehensive Docs
Detailed documentation with code examples in multiple languages
High Performance
Fast response times with 99.9% uptime SLA
Real-Time Status
Get delivery reports and message status in real-time
Webhooks Support
Receive instant notifications for message events
Available API Endpoints
Complete suite of APIs for all communication needs
SMS API
Send single or bulk SMS messages
- POST /sms/send
- GET /sms/status
- GET /sms/balance
WhatsApp API
Send WhatsApp messages and media
- POST /whatsapp/send
- POST /whatsapp/media
- GET /whatsapp/template
Voice API
Make voice calls and manage recordings
- POST /voice/call
- GET /voice/recording
- POST /voice/tts
Contacts API
Manage contact lists and groups
- POST /contacts
- GET /contacts/list
- DELETE /contacts/{id}
Reports API
Get analytics and delivery reports
- GET /reports/delivery
- GET /reports/analytics
- GET /reports/logs
Account API
Manage account settings and credits
- GET /account/balance
- GET /account/usage
- PUT /account/settings
SDKs & Libraries
Official SDKs for popular programming languages
Python
pip install uroperator
from uroperator import Client client = Client(api_key) client.sms.send(to, message)
Node.js
npm install uroperator
const UROperator = require('uroperator');
const client = new UROperator(apiKey);
await client.sms.send(to, message);PHP
composer require uroperator/sdk
$client = new UROperator\Client($apiKey); $client->sms->send($to, $message);
Java
maven dependency
UROperator client = new UROperator(apiKey); client.getSms().send(to, message);
Ruby
gem install uroperator
client = UROperator::Client.new(api_key) client.sms.send(to: to, message: message)
Go
go get uroperator
client := uroperator.NewClient(apiKey) client.SMS.Send(to, message)
Common API Use Cases
See how developers use our APIs
Transactional Messages
Send OTPs, alerts, and notifications from your application
E-commerce order confirmations, banking OTPs, booking alerts
Marketing Campaigns
Run automated marketing campaigns via API
Promotional SMS, product launches, seasonal offers
Customer Support
Integrate with helpdesk and support systems
Ticket updates, support notifications, feedback requests
IoT & Automation
Connect IoT devices and automation workflows
Sensor alerts, system notifications, automated reports
Quick Start Guide
Get started in 4 simple steps
Get API Key
Sign up and get your API key from the dashboard
Choose SDK
Install SDK for your preferred programming language
Make API Call
Send your first message using the API
Go Live
Deploy to production and start scaling
Ready to Start Building?
Get your API key today and start sending messages in minutes. Free tier available.