{ "payType": null }
curl --location --request POST 'https://openapi-sandbox.aicapay.com/system-biz/openapi/wallet/account/operators/query' \ --header 'timestamp;' \ --header 'nonce;' \ --header 'access-key;' \ --header 'signature;' \ --header 'Content-Type: application/json' \ --data-raw '{ "payType": null }'
[ { "institutionCode": "string", "institutionName": "string", "isPayment": 0, "isReceive": 0 } ]