Version 2 (Json)

A few policies are relevant for this: REST Policies

Policy "restActive" must be true.

Policy "restBasicAuthentication" must be true to allow Basic authentication See wikipedia

If REST calls are made from the browser via a logged-in user and Basic auth is not used, the calls will be made with the credentials of the user.

Download the swagger file from:

https://<server>/<application>/rest/v2/swagger.json

You can browse and try the api, using the built in SwaggerUI (from version 9147):

https://<server>/<application>/rest/v2/swagger

GET examples:

Single:

https://<server>/<application>/rest/v2/<entity>/<DataID>

List:

https://<server>/<application>/rest/v2/<entity>