Developer API & SDKs

Build With Confidence

Integrate license management into any application with our comprehensive REST API and native SDKs for popular platforms.

Your stack, your language, our API—integration in minutes, not weeks.

What You Get

REST API

Full-featured API for any integration scenario

Native SDKs

Pre-built libraries for popular languages

Documentation

Comprehensive guides with working examples

API Keys

Secure authentication with scoped permissions

Rate Limits

Generous limits that scale with your needs

Sandbox Mode

Test integrations safely before production

The Problem

  • License management requires building custom infrastructure
  • Integration with existing systems is complex
  • Documentation is incomplete or outdated
  • Testing integrations risks production data

The Solution

  • Complete API handles all license operations
  • SDKs reduce integration to a few lines of code
  • Always-current docs with interactive examples
  • Sandbox mode enables safe testing

REST API

  • Full CRUD operations for licenses, products, customers
  • Webhook management endpoints
  • Analytics and reporting queries
API Endpoints
GET /api/v1/licenses
POST /api/v1/licenses
PUT /api/v1/licenses/:id
DELETE /api/v1/licenses/:id
200+ endpoints available
SDK Examples
PHP
$license = License::validate(
  key: 'ABC-DEF-GHI'
);
Node.js
const license = await 
client.licenses.validate({
  key: 'ABC-DEF-GHI'
});
Python
license = client.licenses
  .validate(key='ABC-DEF')

Native SDKs

  • Official SDKs for PHP, Node.js, Python, .NET, Java
  • Type definitions for TypeScript and IDE support
  • Automatic retries and error handling

Developer Experience

  • Interactive API explorer for testing
  • Postman collection and OpenAPI spec
  • Sandbox environment with test data
API Console
Request
GET /api/v1/licenses/123
Authorization: Bearer sk_***
Response
200 OK
{"{"}valid: true, ...{"}"}

How It Works

A simple, secure, and scalable workflow designed for modern systems.

1

Get API Credentials

Generate API keys from the dashboard with appropriate permission scopes.

No manual configuration required. Works silently in the background.

2

Install SDK

Add the SDK for your language via package manager, or call the REST API directly.

Designed for compliance, audits, and zero-trust environments.

3

Test in Sandbox

Use sandbox mode to test your integration without affecting production data.

No manual configuration required. Works silently in the background.

4

Go Live

Switch to production credentials when ready. Same code, real licenses.

Designed for compliance, audits, and zero-trust environments.

Who This Is For

Backend Developers

Integrate license validation into server applications

Secure server-side licensing

Desktop App Developers

Add license checks to desktop software

Protected desktop applications

System Integrators

Connect KeyManager to existing systems

Unified license management

DevOps Engineers

Automate license provisioning in CI/CD

Automated license workflows

Works Well With

Webhooks & Automation

Receive events to complement API calls

Offline License Validation

SDK methods for offline scenarios

Security & Cryptographic Verification

Secure your API integration

Free Updates

Lifetime updates included with purchase

Complete Documentation

Step-by-step integration guides and examples

Priority Support

Expert assistance via ticket system

Ready to Get Started?

Join thousands of developers using KeyManager for secure license management.

No subscription required • Free updates forever • 6-month support included

Frequently Asked Questions

What languages have official SDKs?

Official SDKs for PHP, Node.js, Python, .NET, Java, and Go. Community SDKs available for other languages.

What are the API rate limits?

Default limits are generous: 1000 requests/minute. Higher limits available on enterprise plans.

Is there a sandbox for testing?

Yes. Sandbox mode provides a full-featured testing environment with separate test data.

How do I authenticate API requests?

API key authentication via header. Keys can be scoped to specific operations for security.