diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7aa287a..e357e3ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,10 @@ and this project adheres to
 - 🛂(backend) stop to list public doc to everyone #234
 - 🚚(frontend) change visibility in share modal #235
 
+## Fixed
+
+- 🐛 Fix forcing ID when creating a document via API endpoint #234
+
 
 ## [1.3.0] - 2024-09-05
 
diff --git a/src/backend/core/api/serializers.py b/src/backend/core/api/serializers.py
index 2abcc91e..3ef1ebad 100644
--- a/src/backend/core/api/serializers.py
+++ b/src/backend/core/api/serializers.py
@@ -163,6 +163,29 @@ class DocumentSerializer(BaseResourceSerializer):
             "updated_at",
         ]
 
+    def get_fields(self):
+        """Dynamically make `id` read-only on PUT requests but writable on POST requests."""
+        fields = super().get_fields()
+
+        request = self.context.get("request")
+        if request and request.method == "POST":
+            fields["id"].read_only = False
+
+        return fields
+
+    def validate_id(self, value):
+        """Ensure the provided ID does not already exist when creating a new document."""
+        request = self.context.get("request")
+
+        # Only check this on POST (creation)
+        if request and request.method == "POST":
+            if models.Document.objects.filter(id=value).exists():
+                raise serializers.ValidationError(
+                    "A document with this ID already exists. You cannot override it."
+                )
+
+        return value
+
 
 class LinkDocumentSerializer(BaseResourceSerializer):
     """
diff --git a/src/backend/core/tests/documents/test_api_documents_create.py b/src/backend/core/tests/documents/test_api_documents_create.py
index 84b97c94..ba125ff5 100644
--- a/src/backend/core/tests/documents/test_api_documents_create.py
+++ b/src/backend/core/tests/documents/test_api_documents_create.py
@@ -2,6 +2,8 @@
 Tests for Documents API endpoint in impress's core app: create
 """
 
+from uuid import uuid4
+
 import pytest
 from rest_framework.test import APIClient
 
@@ -46,3 +48,51 @@ def test_api_documents_create_authenticated():
     document = Document.objects.get()
     assert document.title == "my document"
     assert document.accesses.filter(role="owner", user=user).exists()
+
+
+def test_api_documents_create_force_id_success():
+    """It should be possible to force the document ID when creating a document."""
+    user = factories.UserFactory()
+    client = APIClient()
+    client.force_login(user)
+
+    forced_id = uuid4()
+
+    response = client.post(
+        "/api/v1.0/documents/",
+        {
+            "id": str(forced_id),
+            "title": "my document",
+        },
+        format="json",
+    )
+
+    assert response.status_code == 201
+    documents = Document.objects.all()
+    assert len(documents) == 1
+    assert documents[0].id == forced_id
+
+
+def test_api_documents_create_force_id_existing():
+    """
+    It should not be possible to use the ID of an existing document when forcing ID on creation.
+    """
+    user = factories.UserFactory()
+    client = APIClient()
+    client.force_login(user)
+
+    document = factories.DocumentFactory()
+
+    response = client.post(
+        "/api/v1.0/documents/",
+        {
+            "id": str(document.id),
+            "title": "my document",
+        },
+        format="json",
+    )
+
+    assert response.status_code == 400
+    assert response.json() == {
+        "id": ["A document with this ID already exists. You cannot override it."]
+    }