Sample code Request curl --location --request DELETE 'http://uat2.loopring.io/api/v3/nft/collection' \ --header 'x-api-key: jcTxEZlFrVNkFE9osrr43iC2Qs3FYN34a4gbEPP4IJDj4qiuapd3d4VSMWwtfReo' \ --form 'collectionId="1"' \ --form 'accountId="10003"' Response { "result": true }