diff --git a/cli/src/etos_client/etos/v0/schema/request.py b/cli/src/etos_client/etos/v0/schema/request.py
index 2fe77902..9e1974fd 100644
--- a/cli/src/etos_client/etos/v0/schema/request.py
+++ b/cli/src/etos_client/etos/v0/schema/request.py
@@ -13,7 +13,7 @@
 # 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.
-"""ETOS v0 schema."""
+"""ETOS v0 request schema."""
 import json
 from uuid import UUID
 
diff --git a/cli/src/etos_client/etos/v0/schema/response.py b/cli/src/etos_client/etos/v0/schema/response.py
index 31c3d924..ae301b6a 100644
--- a/cli/src/etos_client/etos/v0/schema/response.py
+++ b/cli/src/etos_client/etos/v0/schema/response.py
@@ -13,7 +13,7 @@
 # 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.
-"""ETOS v0 response."""
+"""ETOS v0 response schema."""
 from uuid import UUID
 from pydantic import BaseModel
 
diff --git a/cli/src/etos_client/etos/v1alpha/etos.py b/cli/src/etos_client/etos/v1alpha/etos.py
index 6daabfa8..bba6a9c6 100644
--- a/cli/src/etos_client/etos/v1alpha/etos.py
+++ b/cli/src/etos_client/etos/v1alpha/etos.py
@@ -35,8 +35,8 @@
 from etos_client.etos.v0.test_results import TestResults
 from etos_client.etos.v0.event_repository import graphql
 from etos_client.etos.v0.test_run import TestRun
-from etos_client.etos.v0.schema.response import ResponseSchema
-from etos_client.etos.v0.schema.request import RequestSchema
+from etos_client.etos.v1alpha.schema.response import ResponseSchema
+from etos_client.etos.v1alpha.schema.request import RequestSchema
 
 
 # Max total time for a ping request including delays with backoff factor 0.5 will be:
diff --git a/cli/src/etos_client/etos/v1alpha/schema/__init__.py b/cli/src/etos_client/etos/v1alpha/schema/__init__.py
new file mode 100644
index 00000000..68455975
--- /dev/null
+++ b/cli/src/etos_client/etos/v1alpha/schema/__init__.py
@@ -0,0 +1,16 @@
+# Copyright Axis Communications AB.
+#
+# For a full list of individual contributors, please see the commit history.
+#
+# 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.
+"""ETOSv0 schemas."""
diff --git a/cli/src/etos_client/etos/v1alpha/schema/request.py b/cli/src/etos_client/etos/v1alpha/schema/request.py
new file mode 100644
index 00000000..e3533e33
--- /dev/null
+++ b/cli/src/etos_client/etos/v1alpha/schema/request.py
@@ -0,0 +1,73 @@
+# Copyright Axis Communications AB.
+#
+# For a full list of individual contributors, please see the commit history.
+#
+# 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.
+"""ETOS v1 request schema."""
+import json
+from uuid import UUID
+
+from typing import Optional, Union
+from pydantic import BaseModel, ValidationInfo, field_validator
+
+
+class RequestSchema(BaseModel):
+    """Schema for ETOSv1 API requests."""
+
+    artifact_id: Optional[str]
+    artifact_identity: Optional[str]
+    test_suite_url: str
+    dataset: Optional[Union[dict, list]] = {}
+    execution_space_provider: Optional[str] = "default"
+    iut_provider: Optional[str] = "default"
+    log_area_provider: Optional[str] = "default"
+
+    @classmethod
+    def from_args(cls, args: dict) -> "RequestSchema":
+        """Create a RequestSchema from an argument list from argparse."""
+        return RequestSchema(
+            artifact_id=args["--identity"],
+            artifact_identity=args["--identity"],
+            test_suite_url=args["--test-suite"],
+            dataset=args["--dataset"],
+            execution_space_provider=args["--execution-space-provider"] or "default",
+            iut_provider=args["--iut-provider"] or "default",
+            log_area_provider=args["--log-area-provider"] or "default",
+        )
+
+    @field_validator("artifact_identity")
+    def trim_identity_if_necessary(
+        cls, artifact_identity: Optional[str], info: ValidationInfo
+    ) -> Optional[str]:
+        """Trim identity if id is set."""
+        if info.data.get("artifact_id") is not None:
+            return None
+        return artifact_identity
+
+    @field_validator("artifact_id")
+    def is_uuid(cls, artifact_id: Optional[str]) -> Optional[str]:
+        """Test if string is a valid UUID v4."""
+        try:
+            UUID(artifact_id, version=4)
+        except ValueError:
+            return None
+        return artifact_id
+
+    @field_validator("dataset")
+    def dataset_list_trimming(cls, dataset: Optional[Union[dict, list]]) -> list[dict]:
+        """Trim away list completely should the dataset only contain a single index."""
+        if dataset is None:
+            return [{}]
+        if len(dataset) == 1:
+            return json.loads(dataset[0])
+        return [json.loads(data) for data in dataset]
diff --git a/cli/src/etos_client/etos/v1alpha/schema/response.py b/cli/src/etos_client/etos/v1alpha/schema/response.py
new file mode 100644
index 00000000..c69aeae7
--- /dev/null
+++ b/cli/src/etos_client/etos/v1alpha/schema/response.py
@@ -0,0 +1,37 @@
+# Copyright Axis Communications AB.
+#
+# For a full list of individual contributors, please see the commit history.
+#
+# 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.
+"""ETOS v1 response schema."""
+from uuid import UUID
+from pydantic import BaseModel
+
+
+class ResponseSchema(BaseModel):
+    """Response model for the ETOS start API."""
+
+    event_repository: str
+    tercc: UUID
+    artifact_id: UUID
+    artifact_identity: str
+
+    @classmethod
+    def from_response(cls, response: dict) -> "ResponseSchema":
+        """Create a ResponseSchema from a dictionary. Typically used for ETOS API http response."""
+        return ResponseSchema(
+            event_repository=response.get("event_repository"),  # type: ignore
+            tercc=response.get("tercc"),  # type: ignore
+            artifact_id=response.get("artifact_id"),  # type: ignore
+            artifact_identity=response.get("artifact_identity"),  # type: ignore
+        )