diff --git a/src/models/codeserverapi.py b/src/models/codeserverapi.py
new file mode 100644
index 0000000..3620c18
--- /dev/null
+++ b/src/models/codeserverapi.py
@@ -0,0 +1,33 @@
+from datetime import datetime
+from pydantic import BaseModel, HttpUrl
+from enum import Enum
+
+class LinkType(Enum):
+    get = "GET"
+    post = "POST"
+    put = "PUT"
+    delete = "DELETE"
+
+class Attributes(BaseModel):
+    attributeName: str
+    attributeValue: list[str]
+
+class Links(BaseModel):
+    href: HttpUrl
+    rel: str
+    type: LinkType
+
+class CodeServerItem(BaseModel):
+    attributes: list[Attributes]
+    beginDate: datetime
+    classificationId: str
+    classificationName: str
+    conceptCodeId: str
+    createDate: datetime
+    expirationDate: datetime
+    lastModifiedBy: str
+    lastModifiedDate: datetime
+    links: list[Links]
+    status: str
+    versionId: str
+    versionName: str
diff --git a/src/models/datalocations.py b/src/models/datalocations.py
new file mode 100644
index 0000000..c92cb7b
--- /dev/null
+++ b/src/models/datalocations.py
@@ -0,0 +1,12 @@
+from pydantic import BaseModel, HttpUrl, Field
+from datetime import datetime
+
+class DataLocation(BaseModel):
+    href: HttpUrl
+    name: str
+    description: str = "Default description"
+
+class LocationList(BaseModel):
+    location: DataLocation
+    created_at: datetime = Field(default_factory=datetime.now)
+    updated_at: datetime = Field(default_factory=datetime.now)
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