BuildAnything.Ship Fast.
Production-grade Communication APIs for SMS, Voice, WhatsApp, and OTP. Simple REST interface. Exhaustive SDKs. 99.9% uptime SLA.
<span class="text-purple-400">import</span> <span class="text-white">uroperator</span>
client = uroperator.<span class="text-emerald-400">Client</span>(
api_key=<span class="text-amber-300">"uro_live_xxxxxxxxxxxxx"</span>
)
<span class="text-gray-500"># Send transactional SMS</span>
response = client.sms.<span class="text-blue-400">send</span>(
to=<span class="text-amber-300">"+91XXXXXXXXXX"</span>,
message=<span class="text-amber-300">"Your OTP is {otp}"</span>,
sender_id=<span class="text-amber-300">"UROPER"</span>
)
<span class="text-purple-400">print</span>(response.message_id)
<span class="text-gray-500"># ▶ uro_msg_9f8c2a1b3e4d</span>
<span class="text-gray-500"># Make a voice call</span>
call = client.voice.<span class="text-blue-400">call</span>(
to=<span class="text-amber-300">"+91XXXXXXXXXX"</span>,
from_number=<span class="text-amber-300">"1800XXXXXXX"</span>
)
<span class="text-purple-400">print</span>(f<span class="text-amber-300">"Status: {call.status}"</span>)Built for Developers First.
Everything you need to ship communication features to production with confidence.
REST API
Intuitive RESTful design with JSON responses. Standardized HTTP methods and predictable URLs.
Secure Auth
API key + OAuth 2.0. All traffic encrypted over TLS 1.3. HMAC webhook signature verification.
Full Docs
Detailed documentation with live API explorer, curl examples, and Postman collections ready.
High Performance
P99 latency under 120ms globally. Distributed infrastructure across AWS, GCP and Azure.
Real-Time Status
Get granular delivery reports and message status updates streamed in real-time.
Webhooks
Configurable webhooks with exponential retry logic and payload filtering so you never miss an event.
API Endpoints
A complete suite of communication APIs organized by capability.
SMS API
Transactional & promotional SMS at scale. DLT-compliant routing for India.
WhatsApp API
Rich WhatsApp messages — text, images, files, templates, and interactive flows.
Voice API
Outbound calls, IVR, TTS, call recording, and live streaming transcription.
Contacts API
Manage contact lists, segments, tags and suppression lists at enterprise scale.
Reports API
Pull granular delivery analytics, cost breakdowns, and performance metrics.
Account API
Fetch balances, manage sub-accounts, update settings and audit API key usage.
SDKs & Libraries
Official libraries for the most popular languages. Go, Ruby, .NET, and more available on GitHub.
pip install uroperatorfrom uroperator import Client
client = Client(api_key="YOUR_KEY")
response = client.sms.send(
to="+91XXXXXXXXXX",
message="Hello from UROperator!"
)
print(response.message_id)npm install uroperatorconst { UROperator } = require('uroperator');
const client = new UROperator('YOUR_KEY');
const result = await client.sms.send({
to: '+91XXXXXXXXXX',
message: 'Hello from UROperator!'
});
console.log(result.messageId);composer require uroperator/sdkuse UROperator\Client;
$client = new Client('YOUR_KEY');
$response = $client->sms->send([
'to' => '+91XXXXXXXXXX',
'message' => 'Hello from UROperator!'
]);
echo $response->messageId;Built For Every Stack.
From lean startups to enterprise engineering teams, our APIs scale with your ambition.
OTP & Transactional
Banking OTPs, order confirmations, booking alerts sent with sub-200ms end-to-end latency.
Marketing Campaigns
Run high-volume promotional campaigns via API. Smart throttling keeps you within operator limits.
Customer Support
Webhook-driven updates from your helpdesk. Ticket open → SMS alert → CSAT follow-up — all automated.
IoT & Realtime Automation
Connect device alerts, sensor thresholds, and automation triggers to an SMS or voice outbound pipeline.
Go Live in Minutes.
No meetings. No hardware. Just your terminal and internet connection.
Get API Key
Sign up and generate your API key from the dashboard instantly.
Install SDK
Pick your language. Install with pip, npm, or composer.
Make a Call
Send your first message in under 5 minutes using our starter kit.
Go to Production
Switch to production keys and scale from day one without limits.
Start Building Today.
Join 10,000+ developers shipping communication features with UROperator APIs. Free tier includes 1,000 SMS/month and 50 voice minutes.