# API Stack - API Service Management with 3Scale Service Management API

**Author:** kinlane  
**Canonical:** https://apievangelist.com/2011/10/08/api-stackapi-service-management-with-3scale-service-management-api/

[3scale](http://www.3scale.net/ "3Scale") provides scalable API Infrastructure as a Service to control, manage and monetize the distribution of data, content or services for devices, mobile and web applications.

The [3Scale Service Management API](http://www.3scale.net/support/service-management-api "3Scale Service Management API") allows you to authorize access to your API, monitor calls and report traffic seamlessly in your applications.

The 3Scale Service Management API provides a RESTful API, using a key for authentication, and responses in an XML format.

3Scale provides a freemium account with 50K calls per day, and other packages for higher volume calls.

The [3Scale Service Management API](http://www.3scale.net/support/service-management-api "3Scale Service Management API") for API service management is a perfect tool for the API Stack.