eSIM API for Developers

Integrate global eSIM connectivity into your applications with our developer-friendly RESTful API. Simple, powerful, and reliable.

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Quick Start Example

curl -X POST https://api.oytel.online/v1/esims \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "package_id": "uk_50gb_30d",
    "quantity": 1
  }'

Built for Developers

Everything you need to integrate eSIM connectivity into your applications

RESTful API

Clean, intuitive REST endpoints with JSON responses. Easy to integrate with any programming language.

Official SDKs

Native SDKs for JavaScript, Python, and Ruby. Get started quickly with your preferred language.

Instant Provisioning

Provision eSIMs in real-time with sub-second response times. Perfect for on-demand applications.

Sandbox Testing

Test your integration risk-free with our sandbox environment. No charges, real API responses.

Real-time Analytics

Monitor usage, track costs, and analyze performance with detailed analytics and reporting.

24/7 Support

Get help when you need it with our developer support team. Technical assistance and integration guidance.

Simple Integration

Get started with just a few lines of code

JavaScript

const oytel = require('oytel-esim-sdk');

const client = new oytel.Client({
  apiKey: 'sk_live_...'
});

const esim = await client.esims.create({
  package_id: 'uk_50gb_30d',
  quantity: 1
});

console.log(esim.qr_code);

Python

import oytel

client = oytel.Client(
    api_key='sk_live_...'
)

esim = client.esims.create(
    package_id='uk_50gb_30d',
    quantity=1
)

print(esim.qr_code)

Ruby

require 'oytel'

client = Oytel::Client.new(
  api_key: 'sk_live_...'
)

esim = client.esims.create(
  package_id: 'uk_50gb_30d',
  quantity: 1
)

puts esim.qr_code

Perfect for Any Use Case

Travel Apps

Offer instant connectivity to travelers
190+ countries coverage
No roaming charges for users

IoT Applications

Connect devices globally
Flexible data plans
Enterprise-grade reliability

Mobile Apps

In-app eSIM purchasing
Seamless user experience
Revenue sharing opportunities

Enterprise Solutions

Employee device management
Bulk provisioning
Centralized billing

Ready to Build with eSIM?

Get started with our API today. Free sandbox access, comprehensive documentation, and developer support.

Get API Access Read Documentation