Image Upload API does not return payload

Hello,
When i want to call image upload API, in response i am not able to get any Payload with with reference id, which need to pass, when call add new product api.
my request is:
curl -X POST --header 'Content-Type: multipart/form-data' --header 'Accept: application/json' --header 'X-Auth-Token: xxxxxxxxx' --header 'X-Seller-Authz-Token: xxxxxxxxxxx' --header 'ClientId: borosil' -F 'file=/home/admin/web/app.boostmysale.com/production/boostsites/myborosil/public_html/app/webroot/snapdeal_images/1420150817064109img.jpg' 'https://apigateway.snapdeal.com/seller-api/listing/image/upload'

Response:
{"metadata":{"requestId":"cd6ac81c-0994-4362-aca2-f527492135bb","clientId":"borosil","responseTime":6,"requestedURI":"POST /listing/image/upload"}}
Am i missing something in request?

Please help me on that.

Thanks,
Apurba