diff --git a/servers/fastapi/openai_spec.json b/servers/fastapi/openai_spec.json
index 4a9e5e08..b226c5e4 100644
--- a/servers/fastapi/openai_spec.json
+++ b/servers/fastapi/openai_spec.json
@@ -79,9 +79,10 @@
     "schemas": {
       "Body_generate_presentation_api_api_v1_ppt_presentation_generate_post": {
         "properties": {
-          "prompt": {
+          "content": {
             "type": "string",
-            "title": "Prompt"
+            "title": "Content",
+            "description": "The content for generating the presentation"
           },
           "n_slides": {
             "type": "integer",
@@ -121,7 +122,7 @@
           }
         },
         "type": "object",
-        "required": ["prompt"],
+        "required": ["content"],
         "title": "Body_generate_presentation_api_api_v1_ppt_presentation_generate_post"
       },
       "PresentationPathAndEditPath": {
diff --git a/servers/fastapi/tests/test_presentation_generation_api.py b/servers/fastapi/tests/test_presentation_generation_api.py
index 5e5f9be5..3806dc61 100644
--- a/servers/fastapi/tests/test_presentation_generation_api.py
+++ b/servers/fastapi/tests/test_presentation_generation_api.py
@@ -123,7 +123,7 @@ class TestPresentationGenerationAPI:
         response = client.post(
             "/api/v1/ppt/presentation/generate",
             json={
-                "prompt": "Create a presentation about artificial intelligence and machine learning",
+                "content": "Create a presentation about artificial intelligence and machine learning",
                 "n_slides": 5,
                 "language": "English",
                 "export_as": "pdf",
@@ -138,7 +138,7 @@ class TestPresentationGenerationAPI:
         response = client.post(
             "/api/v1/ppt/presentation/generate",
             json={
-                "prompt": "Create a presentation about artificial intelligence and machine learning",
+                "content": "Create a presentation about artificial intelligence and machine learning",
                 "n_slides": 5,
                 "language": "English",
                 "export_as": "pptx",
@@ -149,7 +149,7 @@ class TestPresentationGenerationAPI:
         assert "presentation_id" in response.json()
         assert "pptx" in response.json()["path"]
 
-    def test_generate_presentation_with_no_prompt(self, client):
+    def test_generate_presentation_with_no_content(self, client):
         response = client.post(
             "/api/v1/ppt/presentation/generate",
             json={
@@ -166,7 +166,7 @@ class TestPresentationGenerationAPI:
         response = client.post(
             "/api/v1/ppt/presentation/generate",
             json={
-                "prompt": "Create a presentation about artificial intelligence and machine learning",
+                "content": "Create a presentation about artificial intelligence and machine learning",
                 "n_slides": 0,
                 "language": "English",
                 "export_as": "pdf",
@@ -179,7 +179,7 @@ class TestPresentationGenerationAPI:
         response = client.post(
             "/api/v1/ppt/presentation/generate",
             json={
-                "prompt": "Create a presentation about artificial intelligence and machine learning",
+                "content": "Create a presentation about artificial intelligence and machine learning",
                 "n_slides": 5,
                 "language": "English",
                 "export_as": "invalid_type",
diff --git a/servers/fastapi/utils/process_slides.py b/servers/fastapi/utils/process_slides.py
index 87aa3e21..b9ddb1de 100644
--- a/servers/fastapi/utils/process_slides.py
+++ b/servers/fastapi/utils/process_slides.py
@@ -51,7 +51,12 @@ async def process_slide_and_fetch_assets(
 
     for icon_path in icon_paths:
         icon_dict = get_dict_at_path(slide.content, icon_path)
-        icon_dict["__icon_url__"] = results.pop()[0]
+        icon_result = results.pop()
+        if icon_result and len(icon_result) > 0:
+            icon_dict["__icon_url__"] = icon_result[0]
+        else:
+            # Fallback to placeholder if no icon found
+            icon_dict["__icon_url__"] = "/static/icons/placeholder.svg"
         set_dict_at_path(slide.content, icon_path, icon_dict)
 
     return return_assets
@@ -159,7 +164,12 @@ async def process_old_and_new_slides_and_fetch_assets(
 
     for i, new_icon in enumerate(new_icons):
         if new_icons_fetch_status[i]:
-            new_icon_dicts[i]["__icon_url__"] = new_icons[i][0]
+            icon_result = new_icons[i]
+            if icon_result and len(icon_result) > 0:
+                new_icon_dicts[i]["__icon_url__"] = icon_result[0]
+            else:
+                # Fallback to placeholder if no icon found
+                new_icon_dicts[i]["__icon_url__"] = "/static/icons/placeholder.svg"
 
     for i, new_image_dict in enumerate(new_image_dicts):
         set_dict_at_path(new_slide_content, new_image_dict_paths[i], new_image_dict)