diff --git a/backend/app/api/v1/modules.py b/backend/app/api/v1/modules.py
index 9165b73..1ba7b13 100644
--- a/backend/app/api/v1/modules.py
+++ b/backend/app/api/v1/modules.py
@@ -173,6 +173,10 @@ class VoiceToTextRequest(BaseModel):
     target_language: str = "EN-US"
 
 
+class AltTextRequest(BaseModel):
+    asset_id: str
+
+
 class PromptEnhanceRequest(BaseModel):
     prompt: str
     style: str = "cinematic"
@@ -679,15 +683,18 @@ async def get_sound_effect_formats():
 
 @router.post("/text/alt-text")
 async def generate_alt_text(
-    file: UploadFile = File(...),
-    background_tasks: BackgroundTasks = None,
+    request: AltTextRequest,
+    background_tasks: BackgroundTasks,
     db: Session = Depends(get_db)
 ):
     """Generate alt text for image using GPT-4 Vision"""
     user = db.query(User).filter(User.email == "test@forge.ai").first()
 
-    from app.api.v1.assets import upload_asset
-    asset = await upload_asset(file=file, source_module="alt_text_generator", db=db)
+    # Validate asset exists
+    from app.models.asset import Asset
+    asset = db.query(Asset).filter(Asset.id == UUID(request.asset_id)).first()
+    if not asset:
+        raise HTTPException(status_code=404, detail="Asset not found")
 
     job = Job(
         user_id=user.id if user else None,
@@ -701,8 +708,7 @@ async def generate_alt_text(
     db.commit()
     db.refresh(job)
 
-    if background_tasks:
-        background_tasks.add_task(alt_text_generator.generate, str(job.id))
+    background_tasks.add_task(alt_text_generator.generate, str(job.id))
 
     return job_response(job)