{ "user_id": 0, "card_id": 0, "pin": "string" }
curl --location --request POST '/card/set_pin' \ --header 'Merchant-ID;' \ --header 'X-HMAC;' \ --header 'Content-Type: application/json' \ --data-raw '{ "user_id": 0, "card_id": 0, "pin": "string" }'
{ "success": true, "message": "PIN set successfully" }