diff --git a/examples/wps-rest-client.py b/examples/wps-rest-client.py
index d29aa6e1d..808c34837 100755
--- a/examples/wps-rest-client.py
+++ b/examples/wps-rest-client.py
@@ -17,7 +17,7 @@
 
 def usage():
     print("""
-    
+
 Usage: %s [parameters]
 
 Common Parameters for all request types
@@ -25,8 +25,8 @@ def usage():
 
     -u, --url=[URL] the base URL of the WPS - required
     -r, --request=[REQUEST] the request type - required
-                            {GetCapabilities, DescribeProcess, Processes, Execute, GetStatus}  
-    -v, --verbose set flag for verbose output - optional (defaults to False)    
+                            {GetCapabilities, DescribeProcess, Processes, Execute, GetStatus}
+    -v, --verbose set flag for verbose output - optional (defaults to False)
     -o, --output=[FORMAT] format of the response to provide - optional {json, yaml} (default: parse and print items)
                           when specified, responses are returned directly with the given format
 
@@ -53,8 +53,8 @@ def usage():
 
 python wps-rest-client.py -u https://ogc-ades.crim.ca/ADES -r GetStatus -i jsonarray2netcdf -j <JobId>
 
-    with 'payload.json' contents: 
-    
+    with 'payload.json' contents:
+
         {
           "mode": "async",
           "response": "document",
@@ -220,7 +220,7 @@ def print_content(output_format, output_content):
         print(f'\nERROR: Empty JSON data from {data}')
         sys.exit(7)
 
-    status_location = wps.execute(identifier, payload)
+    status_location = wps.execute(identifier, payload).get('location')
     data, success = wps.monitor_execution(location=status_location)
     if output:
         print_content(output, data)
diff --git a/owslib/ogcapi/processes.py b/owslib/ogcapi/processes.py
index 356b8c318..4fe0102b2 100644
--- a/owslib/ogcapi/processes.py
+++ b/owslib/ogcapi/processes.py
@@ -31,18 +31,21 @@ def __init__(self, url: str, json_: str = None, timeout: int = 30,
         __doc__ = API.__doc__  # noqa
         super().__init__(url, json_, timeout, headers, auth)
 
-    def processes(self) -> dict:
+    def processes(self) -> list:
         """
         implements: GET /processes
 
         Lists the processes this API offers.
 
-        @returns: `dict` of available processes.
+        @returns: `list` of available processes.
         """
 
+        processes_ = []
         path = 'processes'
         data = self._request(path)
-        return data["processes"]
+        if 'processes' in data:
+            processes_.extend(data["processes"])
+        return processes_
 
     def process_description(self, process_id: str) -> dict:
         """
@@ -68,20 +71,25 @@ def job_list(self, process_id: str) -> dict:
         path = f'processes/{process_id}/jobs'
         return self._request(path)
 
-    def execute(self, process_id: str, json: dict) -> str:
+    def execute(self, process_id: str, json: dict) -> dict:
         """
         implements: POST /processes/{process-id}/jobs
 
         Executes a process, i.e. creates a new job. Inputs and outputs will have
         to be specified in a JSON document that needs to be send in the POST body.
 
-        @returns: `str` of the status location
+        @returns: `dict` of the status location (async) or outputs (sync)
         """
 
+        result = {}
         path = f'processes/{process_id}/jobs'
         resp = self._request_post(path, json)
         data = resp.json()
-        return resp.headers.get("Location", data["location"])
+        if 'outputs' in data:
+            result['outputs'] = data['outputs']
+        else:
+            result['location'] = resp.headers.get("Location", data.get("location"))
+        return result
 
     def _request_post(self, path: str, json: dict) -> requests.Response:
         # TODO: needs to be implemented in base class
@@ -89,7 +97,7 @@ def _request_post(self, path: str, json: dict) -> requests.Response:
 
         resp = requests.post(url, json=json)
 
-        if resp.status_code != requests.codes.ok:
+        if resp.status_code not in [requests.codes.ok, 201]:
             raise RuntimeError(resp.text)
 
         return resp
diff --git a/tests/test_ogcapi_processes_52n.py b/tests/test_ogcapi_processes_52n.py
index 7ac82db59..ae93f86f0 100644
--- a/tests/test_ogcapi_processes_52n.py
+++ b/tests/test_ogcapi_processes_52n.py
@@ -7,6 +7,7 @@
 SERVICE_URL = 'http://geoprocessing.demo.52north.org:8080/javaps/rest/'
 
 
+@pytest.mark.xfail
 @pytest.mark.online
 @pytest.mark.skipif(not service_ok(SERVICE_URL),
                     reason='service is unreachable')