Enable to serialize the api definition

src/plone.server/plone/server/configure.py

@@ -44,7 +44,7 @@ def load_services(_context, module_name):
         if service_conf.get('name', False):
             if 'endpoints' not in ct_api:
                 ct_api['endpoints'] = OrderedDict()
-            ct_api['endpoints'][service_conf.get('method', 'GET')] = \
+            ct_api['endpoints'][service_conf.get('name')] = \
                 OrderedDict(service_conf)
         else:
             ct_api[service_conf.get('method', 'GET')] = OrderedDict(service_conf)

src/plone.server/plone/server/renderers.py

@@ -16,6 +16,7 @@
 from zope.interface import implementer
 # JSON Decoder
 from zope.securitypolicy.settings import PermissionSetting
+from zope.interface.interface import InterfaceClass
 
 import json
 
@@ -24,8 +25,12 @@ class PServerJSONEncoder(json.JSONEncoder):
     def default(self, obj):
         if isinstance(obj, complex):
             return [obj.real, obj.imag]
-        if isinstance(obj, datetime):
-                return obj.isoformat()
+        elif isinstance(obj, datetime):
+            return obj.isoformat()
+        elif isinstance(obj, type):
+            return obj.__module__ + '.' + obj.__name__
+        elif isinstance(obj, InterfaceClass):
+            return [x.__module__ + '.' + x.__name__ for x in obj.__iro__]  # noqa
         try:
             iterable = iter(obj)
         except TypeError: