diff --git a/lib/core/api/src/index.ts b/lib/core/api/src/index.ts
index e79643fd1f..bc6ac8685c 100644
--- a/lib/core/api/src/index.ts
+++ b/lib/core/api/src/index.ts
@@ -20,3 +20,4 @@ export * from './lib/api-clients.service';
 export * from './lib/clients';
 export * from './lib/types';
 export * from './lib/adf-http-client.service';
+export * from './lib/interfaces';
diff --git a/lib/core/api/src/lib/adf-http-client.service.ts b/lib/core/api/src/lib/adf-http-client.service.ts
index b7e69126bd..b3b399dbe7 100644
--- a/lib/core/api/src/lib/adf-http-client.service.ts
+++ b/lib/core/api/src/lib/adf-http-client.service.ts
@@ -16,7 +16,7 @@
  */
 
 import { SHOULD_ADD_AUTH_TOKEN } from '@alfresco/adf-core/auth';
-import { Emitters as JsApiEmitters, HttpClient as JsApiHttpClient, RequestOptions, SecurityOptions, isBrowser } from '@alfresco/js-api';
+import { Emitters as JsApiEmitters, HttpClient as JsApiHttpClient, SecurityOptions, isBrowser } from '@alfresco/js-api';
 import { HttpClient, HttpContext, HttpErrorResponse, HttpEvent, HttpHeaders, HttpParams, HttpResponse } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Observable, of, Subject, throwError } from 'rxjs';
@@ -25,6 +25,7 @@ import { convertObjectToFormData, getQueryParamsWithCustomEncoder, isBlobRespons
 import { AlfrescoApiParamEncoder } from './alfresco-api/alfresco-api.param-encoder';
 import { AlfrescoApiResponseError } from './alfresco-api/alfresco-api.response-error';
 import { Constructor } from './types';
+import { RequestOptions } from './interfaces';
 
 @Injectable({
     providedIn: 'root'
@@ -35,7 +36,6 @@ export class AdfHttpClient implements JsApiHttpClient {
 
     constructor(private httpClient: HttpClient) {}
 
-
     request<T = any>(url: string, options: RequestOptions, sc: SecurityOptions = this.defaultSecurityOptions, emitters?: JsApiEmitters): Promise<T> {
         const body = AdfHttpClient.getBody(options);
         const params = getQueryParamsWithCustomEncoder(options.queryParams, new AlfrescoApiParamEncoder());
@@ -61,7 +61,7 @@ export class AdfHttpClient implements JsApiHttpClient {
         if(emitters){
             return this.requestWithLegacyEventEmitters<T>(request, emitters, options.returnType);
         }
-        return request.toPromise<T>();
+        return request.pipe(map(req => req.body)).toPromise<T>();
     }
 
     post<T = any>(url: string, options: RequestOptions, sc?: SecurityOptions, emitters?: JsApiEmitters): Promise<T> {
diff --git a/lib/core/api/src/lib/interfaces.ts b/lib/core/api/src/lib/interfaces.ts
new file mode 100644
index 0000000000..2474e929c9
--- /dev/null
+++ b/lib/core/api/src/lib/interfaces.ts
@@ -0,0 +1,28 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export interface RequestOptions {
+    httpMethod?: string;
+    queryParams?: any;
+    headerParams?: any;
+    formParams?: any;
+    bodyParam?: any;
+    returnType?: any;
+    responseType?: string;
+    readonly accept?: string;
+    readonly contentType?: string;
+}
diff --git a/lib/core/src/lib/auth/services/oauth2.service.ts b/lib/core/src/lib/auth/services/oauth2.service.ts
index 86d424c31b..87a0f3fe90 100644
--- a/lib/core/src/lib/auth/services/oauth2.service.ts
+++ b/lib/core/src/lib/auth/services/oauth2.service.ts
@@ -34,20 +34,16 @@ export class OAuth2Service {
     constructor(private adfHttpClient: AdfHttpClient) {}
 
     request<T>(opts: OAuth2RequestParams): Observable<T> {
-        const { httpMethod, url, bodyParam, pathParams, queryParams } = opts;
+        const { httpMethod, url, bodyParam, queryParams } = opts;
         return from(
             this.adfHttpClient.request(
                 url,
                 {
-                    path: url,
                     httpMethod,
-                    pathParams,
                     queryParams,
                     headerParams: {},
                     formParams: {},
                     bodyParam,
-                    contentTypes: JSON_TYPE,
-                    accepts: JSON_TYPE,
                     returnType: Object
                 }
             )