Overview
Retrieve all output media files (images, videos, etc.) generated by a completed workflow. Returns an array of signed URLs for direct access to the output files.
Output files are only available for workflows with status completed. Signed URLs are temporary and expire after a set period.
Path Parameters
The unique identifier (UUID) of the workflow to retrieve outputs from.
Response
Returns an array of output media objects.
Unique identifier for the output file.
UUID of the workflow that generated this output.
Signed URL to access the output file. This URL is temporary and expires after a set period.
Example Response
[
{
"id": "output-1a2b3c4d-5e6f-7890-abcd-ef1234567890",
"workflow_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"src": "https://storage.comfycontrol.app/outputs/a1b2c3d4.../image001.png?signature=..."
},
{
"id": "output-2b3c4d5e-6f7a-8901-bcde-f12345678901",
"workflow_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"src": "https://storage.comfycontrol.app/outputs/a1b2c3d4.../image002.png?signature=..."
},
{
"id": "output-3c4d5e6f-7a8b-9012-cdef-123456789012",
"workflow_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"src": "https://storage.comfycontrol.app/outputs/a1b2c3d4.../video.mp4?signature=..."
}
]
Error Responses
Unauthorized - invalid or missing authentication token.
Not Found - workflow does not exist, does not belong to your account, or has no outputs.Common causes:
- Invalid workflow ID
- Workflow not yet completed
- Workflow completed but generated no outputs
- Workflow failed or was cancelled
Notes
- Only available for workflows with status
completed
- Signed URLs are temporary and expire after a set period (typically 5 min)
- Output files include all media generated by ComfyUI SaveImage/SaveVideo nodes
- File formats depend on your workflow configuration (PNG, JPG, MP4, WebP, etc.)
- Download files before the signed URLs expire
- Outputs are stored securely and isolated per user
- Empty array is returned if the workflow completed but generated no outputs