diff --git a/frontend/coprs_frontend/coprs/views/apiv3_ns/apiv3_project_chroots.py b/frontend/coprs_frontend/coprs/views/apiv3_ns/apiv3_project_chroots.py
index c63dd5729..0e7150879 100644
--- a/frontend/coprs_frontend/coprs/views/apiv3_ns/apiv3_project_chroots.py
+++ b/frontend/coprs_frontend/coprs/views/apiv3_ns/apiv3_project_chroots.py
@@ -4,7 +4,7 @@
 
 import flask
 from flask_restx import Namespace, Resource
-from coprs.views.misc import api_login_required, payload_multiple_get
+from coprs.views.misc import api_login_required, request_multiple_args
 from coprs.views.apiv3_ns import apiv3_ns, api, rename_fields_helper
 from coprs.views.apiv3_ns.schema.schemas import (
     project_chroot_model,
@@ -82,11 +82,11 @@ def get(self):
         Get a project chroot
         Get settings for a single project chroot.
         """
-        ownername, projectname, chrootname = payload_multiple_get(
-            apiv3_project_chroots_ns.payload, "ownername", "projectname", "chrootname"
+        ownername, projectname, chrootname = request_multiple_args(
+            "ownername", "projectname", "chrootname"
         )
         copr = get_copr(ownername, projectname)
-        chroot = ComplexLogic.get_copr_chroot_safe(copr, chrootname)
+        chroot = ComplexLogic.get_copr_chroot(copr, chrootname)
         return to_dict(chroot)
 
 
@@ -99,11 +99,11 @@ def get(self):
         Get a build config
         Generate a build config based on a project chroot settings.
         """
-        ownername, projectname, chrootname = payload_multiple_get(
-            apiv3_project_chroots_ns.payload, "ownername", "projectname", "chrootname"
+        ownername, projectname, chrootname = request_multiple_args(
+            "ownername", "projectname", "chrootname"
         )
         copr = get_copr(ownername, projectname)
-        chroot = ComplexLogic.get_copr_chroot_safe(copr, chrootname)
+        chroot = ComplexLogic.get_copr_chroot(copr, chrootname)
         if not chroot:
             raise ObjectNotFound('Chroot not found.')
         return to_build_config_dict(chroot)
diff --git a/frontend/coprs_frontend/coprs/views/apiv3_ns/apiv3_projects.py b/frontend/coprs_frontend/coprs/views/apiv3_ns/apiv3_projects.py
index 4904fb392..94eb6a39c 100644
--- a/frontend/coprs_frontend/coprs/views/apiv3_ns/apiv3_projects.py
+++ b/frontend/coprs_frontend/coprs/views/apiv3_ns/apiv3_projects.py
@@ -11,7 +11,7 @@
                                   restx_editable_copr)
 from coprs.views.apiv3_ns.json2form import get_form_compatible_data, get_input_dict
 from coprs import db, models, forms, db_session_scope
-from coprs.views.misc import restx_api_login_required, payload_multiple_get
+from coprs.views.misc import restx_api_login_required, request_multiple_args
 from coprs.views.apiv3_ns import rename_fields_helper, api
 from coprs.views.apiv3_ns.schema.schemas import (
     project_model,
@@ -117,9 +117,7 @@ def get(self):
         Get a project
         Get details for a single Copr project according to ownername and projectname.
         """
-        ownername, projectname = payload_multiple_get(
-            apiv3_projects_ns.payload, "ownername", "projectname"
-        )
+        ownername, projectname = request_multiple_args("ownername", "projectname")
         copr = get_copr(ownername, projectname)
         return to_dict(copr)
 
diff --git a/frontend/coprs_frontend/coprs/views/apiv3_ns/schema/schemas.py b/frontend/coprs_frontend/coprs/views/apiv3_ns/schema/schemas.py
index 168746c8b..963d18fcb 100644
--- a/frontend/coprs_frontend/coprs/views/apiv3_ns/schema/schemas.py
+++ b/frontend/coprs_frontend/coprs/views/apiv3_ns/schema/schemas.py
@@ -65,7 +65,11 @@ def input_model(self):
         Returns an input model (input to @ns.expect()) with properly set required
          parameters.
         """
-        for field in self.get_required_attrs:
+        required_args = self.get_required_attrs
+        if getattr(self, "__all_required", False):
+            required_args = fields(self)
+
+        for field in required_args:
             field.required = True
 
         return api.model(self.__class__.__name__, self.schema())
@@ -116,9 +120,7 @@ class ProjectChrootGet(InputSchema):
     projectname: String
     chrootname: String = mock_chroot
 
-    @property
-    def get_required_attrs(self) -> list:
-        return [self.ownername, self.projectname, self.chrootname]
+    __all_required: bool = True
 
 
 @dataclass
@@ -320,6 +322,8 @@ class ProjectGet(InputSchema):
     ownername: String
     projectname: String
 
+    __all_required: bool = True
+
 
 # OUTPUT MODELS
 project_chroot_model = ProjectChroot.get_cls().model()
diff --git a/frontend/coprs_frontend/coprs/views/misc.py b/frontend/coprs_frontend/coprs/views/misc.py
index 1cb1b8a01..7c9e86767 100644
--- a/frontend/coprs_frontend/coprs/views/misc.py
+++ b/frontend/coprs_frontend/coprs/views/misc.py
@@ -353,6 +353,7 @@ def make_response(content, status=HTTPStatus.OK):
 def payload_multiple_get(payload: dict, *parameters) -> list:
     """
     Get multiple values from dictionary.
+
     Args:
         payload: Any dictionary obtain from API request
         *parameters: list of parameters to obtain values from request
@@ -363,3 +364,27 @@ def payload_multiple_get(payload: dict, *parameters) -> list:
         return multiple_get(payload, parameters)
     except KeyError as exc:
         raise BadRequest(str(exc)) from exc
+
+
+def request_multiple_args(*query_params, raise_on_missing=True) -> list:
+    """
+    Get multiple values from query parameters.
+
+    Args:
+        raise_on_missing: raises BadRequest if set to True, otherwise ignores
+         missing query parameters
+        *query_params: list of args to obtain values from flask.request.args
+    Returns:
+        *args values in the same order as they were given.
+    """
+    result = []
+    flask_args = flask.request.args
+    empty = "__empty_content"
+    for arg in query_params:
+        flask_arg = flask_args.get(arg, empty)
+        if raise_on_missing and flask_arg == empty:
+            raise BadRequest(f"Missing arg: {arg}")
+
+        result.append(flask_arg)
+
+    return result