src/main/java/com/authlete/jaxrs/api/AuthleteApiImpl.java
@Override
    public IntrospectionResponse introspection(IntrospectionRequest request) throws AuthleteApiException
    {
        return executeApiCall(
                new ServicePostApiCaller<IntrospectionResponse>(
                        IntrospectionResponse.class, request, AUTH_INTROSPECTION_API_PATH));
    }
@Override
    public IntrospectionResponse introspection(IntrospectionRequest request) throws AuthleteApiException
    {
        return executeApiCall(
                new ServicePostApiCaller<IntrospectionResponse>(
                        IntrospectionResponse.class, request, AUTH_INTROSPECTION_API_PATH));
    }
Call {@code /api/auth/introspection} API.