diff --git a/src/backend/core/api/serializers.py b/src/backend/core/api/serializers.py
index 464e8542..f8dbb22d 100644
--- a/src/backend/core/api/serializers.py
+++ b/src/backend/core/api/serializers.py
@@ -275,7 +275,7 @@ class ServerCreateDocumentSerializer(serializers.Serializer):
             language = user.language or language
 
         try:
-            converter_response = YdocConverter().convert_markdown(
+            document_content = YdocConverter().convert_markdown(
                 validated_data["content"]
             )
         except ConversionError as err:
@@ -283,7 +283,7 @@ class ServerCreateDocumentSerializer(serializers.Serializer):
 
         document = models.Document.objects.create(
             title=validated_data["title"],
-            content=converter_response["content"],
+            content=document_content,
             creator=user,
         )
 
diff --git a/src/backend/core/services/converter_services.py b/src/backend/core/services/converter_services.py
index 6ca01a3d..89f47e65 100644
--- a/src/backend/core/services/converter_services.py
+++ b/src/backend/core/services/converter_services.py
@@ -31,7 +31,7 @@ class YdocConverter:
     @property
     def auth_header(self):
         """Build microservice authentication header."""
-        return f"Bearer {settings.CONVERSION_API_KEY}"
+        return settings.CONVERSION_API_KEY
 
     def convert_markdown(self, text):
         """Convert a Markdown text into our internal format using an external microservice."""
@@ -50,6 +50,7 @@ class YdocConverter:
                     "Content-Type": "application/json",
                 },
                 timeout=settings.CONVERSION_API_TIMEOUT,
+                verify=settings.CONVERSION_API_SECURE,
             )
             response.raise_for_status()
             conversion_response = response.json()
diff --git a/src/backend/core/tests/documents/test_api_documents_create_for_owner.py b/src/backend/core/tests/documents/test_api_documents_create_for_owner.py
index 6d8909d5..4c66a286 100644
--- a/src/backend/core/tests/documents/test_api_documents_create_for_owner.py
+++ b/src/backend/core/tests/documents/test_api_documents_create_for_owner.py
@@ -25,7 +25,7 @@ def mock_convert_markdown():
     with patch.object(
         YdocConverter,
         "convert_markdown",
-        return_value={"content": "Converted document content"},
+        return_value="Converted document content",
     ) as mock:
         yield mock
 
diff --git a/src/backend/core/tests/test_services_converter_services.py b/src/backend/core/tests/test_services_converter_services.py
index 58500ee4..7911e368 100644
--- a/src/backend/core/tests/test_services_converter_services.py
+++ b/src/backend/core/tests/test_services_converter_services.py
@@ -18,7 +18,7 @@ def test_auth_header(settings):
     """Test authentication header generation."""
     settings.CONVERSION_API_KEY = "test-key"
     converter = YdocConverter()
-    assert converter.auth_header == "Bearer test-key"
+    assert converter.auth_header == "test-key"
 
 
 def test_convert_markdown_empty_text():
@@ -116,10 +116,11 @@ def test_convert_markdown_full_integration(mock_post, settings):
         "http://test.com",
         json={"content": "test markdown"},
         headers={
-            "Authorization": "Bearer test-key",
+            "Authorization": "test-key",
             "Content-Type": "application/json",
         },
         timeout=5,
+        verify=False,
     )
 
 
diff --git a/src/backend/impress/settings.py b/src/backend/impress/settings.py
index 944c045a..e403b148 100755
--- a/src/backend/impress/settings.py
+++ b/src/backend/impress/settings.py
@@ -524,6 +524,11 @@ class Base(Configuration):
         environ_name="CONVERSION_API_TIMEOUT",
         environ_prefix=None,
     )
+    CONVERSION_API_SECURE = values.Value(
+        default=False,
+        environ_name="CONVERSION_API_SECURE",
+        environ_prefix=None,
+    )
 
     # Logging
     # We want to make it easy to log to console but by default we log production