Developer-First Platform

Powerful SMS API for Developers

Build programmable SMS into your web and mobile applications with a few lines of code. Send OTPs, notifications, and alerts with ISVIX's reliable global REST API.

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curl -X POST https://api.isvix.com/v1/messages \
  -u "ACb14...:auth_token" \
  -d "To=+15558675310" \
  -d "From=+15017122661" \
  -d "Body=Your verification code is 123456"

const isvix = require('isvix-sdk');

// Send SMS
await isvix.messages.create({
  to: '+15558675310',
  from: '+15017122661',
  body: 'Your verification code is 123456'
});

from isvix import Client

client = Client("ACb14...", "auth_token")

message = client.messages.create(
    to="+15558675310",
    from_="+15017122661",
    body="Your verification code is 123456"
)

Message Sent

Latency: 120ms

LIBRARIES AVAILABLE FOR YOUR STACK

Node.js

Python

PHP

Java

Ruby

Everything You Need to Build

Our API is designed for reliability, scalability, and ease of use. Handle complex messaging workflows without the headache.

Instant Delivery

Direct carrier connections ensure your messages reach users instantly, with 99.99% uptime SLA.

Detailed Logs (DLR)

Track the status of every message in real-time. Get webhooks for Sent, Delivered, and Failed statuses.

Global Reach

Send messages to over 200 countries without changing your code. Automatic number formatting included.

Sender IDs

Use alphanumeric Sender IDs to brand your messages. Boost trust and open rates with verified IDs.

Unicode & Emojis

Full support for GSM-7 and UCS-2 encodings. Send emojis and messages in any language (Chinese, Arabic, etc.).

Concatenation

Send long messages (up to 1600 characters) automatically. We handle the segmentation and reassembly.

Simple, Intuitive Endpoints

Our REST API follows standard conventions. Use standard HTTP verbs and response codes.

POST /v1/messages Send a new message

GET /v1/messages/{sid} Get message details

GET /v1/messages List message logs

View Full Reference

// Response Example

{
  "sid": "SM84291039182391",
  "date_created": "2023-10-27T14:30:00Z",
  "date_updated": "2023-10-27T14:30:01Z",
  "date_sent": "2023-10-27T14:30:01Z",
  "to": "+15558675310",
  "from": "+15017122661",
  "body": "Your verification code is 123456",
  "status": "delivered",
  "direction": "outbound-api",
  "price": "0.0075",
  "price_unit": "USD"
}

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