Introduction

Welcome to Keygen! Get familiar with the Keygen APIs and explore their features:

Quick start

A short technical guide where you create your first product, license policy and license resources using Keygen's API.

Licensing models

Discover the various types of license models Keygen supports. Dig into perpetual and timed licenses, floating licenses and more.

API reference

A complete software licensing toolkit for any digital product, from license keys, to entitlements, to release distribution.

Try the Keygen licensing API in seconds. Validate your first license by copying and pasting the snippet below into a terminal:

curl -X POST https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key \
  -H 'Content-Type: application/vnd.api+json' \
  -H 'Accept: application/vnd.api+json' \
  -d '{
        "meta": {
          "key": "C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3"
        }
      }'
curl -X POST https://api.keygen.sh/v1/accounts/demo/licenses/actions/validate-key \
  -H 'Content-Type: application/vnd.api+json' \
  -H 'Accept: application/vnd.api+json' \
  -d '{
        "meta": {
          "key": "C1B6DE-39A6E3-DE1529-8559A0-4AF593-V3"
        }
      }'

Keygen helps you create any type of licensing flow—from offering time-limited free trials to a "per-seat" licensing model and everything in-between.

Get started below by learning the basics of our API:

Learn the API Basics

	Perpetual License	Timed License	Floating License	Node‑locked License	Feature License
Expiration Date	No	Yes	Optional	Optional	Optional
Activation Limits	Optional	Optional	> 0	1	Optional
Feature Limits	Optional	Optional	Optional	Optional	Yes
Offline Support	Yes	Yes	Yes	Yes	Yes
	Learn More	Learn More	Learn More	Learn More	Learn More