Not able to attached expense receipt via zoho book expense api

Not able to attached expense receipt via zoho book expense api

I am using following API to add receipt to zoho expense api

curl https://books.zoho.com/api/v3/expenses/{expense_id}/receipt?organization_id=10234695
 -X POST -H "Authorization: Zoho-oauthtoken 1000.41d9f2cfbd1b7a8f9e314b7aff7bc2d1.8fcc9810810a216793f385b9dd6e125f" -H "Content-Type: application/x-www-form-urlencoded;charset=UTF-8"


and getting
{ "code": 0, "message": "The expense receipt has been attached." }


but when i check expense section on zoho book receipt not visible