This section describes how to use the W2 restful Api






The W2 REST API uses basic authentication. You will need to add a basic authorization header with your api key base 64 encoded to all requests.

For example: 

Header Key Header Pattern
Authorization Basic Base64EncodedW2ApiKey


API Versioning

To call a specific version of the API append the API version query option to the end of the URL like this:

We strongly recommend that you provide a version number with all of your requests. A request without a version number will default to the latest version of the API so you might experience changes you are not prepared for.