This site contains the documentation that is relevant to older WSO2 product versions and offerings.
For the latest WSO2 documentation, go to https://wso2.com/documentation/.

RESTful APIs

The following topics list the APIs exposed from the API Publisher, API Store, and Admin Portal, which you can use to create and manage APIs. You can consume APIs directly through their UIs or, an external REST client like cURL, or the WSO2 REST client.