curl -v -X POST "https://kapi.kakao.com/v1/payment/ready" \
-H "Authorization: KakaoAK ******" \
-H "Content-type: application/x-www-form-urlencoded;charset=utf-8" \
--data-urlencode "cid=******" \
--data-urlencode "partner_order_id=12819420230712085606” \
--data-urlencode "partner_user_id=******” \
--data-urlencode "item_name=초코파이" \
--data-urlencode "quantity=1" \
--data-urlencode "total_amount=2200" \
--data-urlencode "vat_amount=200" \
--data-urlencode "tax_free_amount=0" \
--data-urlencode "approval_url=http://localhost:3001/paymentTest/kakao/success“ \
--data-urlencode "fail_url=http://localhost:3001/paymentTest/kakao/fail”
{“msg”:“partner_user_id can’t be null.”,“code”:-2} 에러가 납니다…