# Introduction

These endpoints are a set of RESTful APIs exposed for client applications and client SDKs. Can be used to activate/deactivate licenses, check licenses, handle metered usage, etc.

APIs are accessed through SSL and signed with API key + shared key combination.

Base URL: **api.licensespring.com**

See the following pages for further steps:

* [**License API Authorization**](https://docs.licensespring.com/license-api/license-api-authorization)
* [**Floating**](https://docs.licensespring.com/license-api/floating)
* [**Activate License (Online Method)**](https://docs.licensespring.com/license-api/license-activation-and-deactivation/activate-license-online-method)

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To edit license entitlements and orders, use the **Management API**: [Management API](https://docs.licensespring.com/management-api/introduction)
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Encode emails which contain special symbols like '+' when sending them as parameters

Example: <test+symbol@example.com> -> test%2Bsymbol%40example.com
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When using param or body field `product` make sure that you are using the product code, and not the product name.
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