You must have Oracle REST Data Services release 2.0 or later as your web listener and enabled RESTful Services either at the workspace or instance-level by an administrator.
In order for the RESTful Service utility to be available and function properly, the following requirements must be met:
Your configuration uses Oracle REST Data Services release 2.0 or later as your web listener.
An administrator has enabled RESTful Services either at the workspace or instance-level.
Tip:
The Oracle XML DB HTTP Server with the embedded PL/SQL gateway and Oracle HTTP Server with mod_plsql do not support RESTful Services.
The Oracle REST Data Services version 2.0 or higher must be used. The Oracle XML DB HTTP Server with the embedded PL/SQL gateway and Oracle HTTP Server with mod_plsql do not support this functionality.
See Also:
"Installing Oracle REST Data Services" in Oracle REST Data Services Installation and Developer Guide
"Configuring SQL Workshop" in Oracle Application Express Administration Guide