Assuming you have applied the card balance, and there is a remainder (missing_sum is greater than 0). When you carry out a payment, it will redeem the full balance of the card. The missing sum is paid with the normal payment.
In this case we will execute the payment with POST /api/v2/Smart/Transactions/{id}/start/cash after you have received the payment at the cash register:
Request
POST /api/v2/Smart/Transactions/STX_KJXJDUN542NR3WMRHRVU5WWM6ZQEA2/start/cash HTTP/1.1Host: connect-testing.secuconnect.comAuthenticate: Bearer qb56tjj1bcvo9n2nj4u38k84loContent-Type: application/jsonAccept: application/json{}Now our system is informed about the completed cash payment. It will also execute the loyalty transaction now.
Response
{ "object": "smart.transactions", "id": "STX_KJXJDUN542NR3WMRHRVU5WWM6ZQEA2", "merchant": { "object": "general.merchants", "id": "MRC_35SZ3R5GGQQP4T0U2T5GFAN9P6C4PG", "companyname": "John's Bakery" }, "device_source": { "object": "smart.devices", "id": "SDV_2YJDXYESB2YBHECVB5GQGSYPNM8UA6" }, "transactions": [ { "object": "loyalty.transactions", "id": "LTX_YBYPUETZ2HQXURG9XU0M5H4KGWW0NH" } ], "created": "2020-09-17T09:18:14+02:00", "updated": "2020-09-17T09:43:59+02:00", "status": "ok", "merchantRef": null, "transactionRef": null, "intent": null, "basket": { "products": [ { "id": 1, "parent": null, "articleNumber": "30037", "ean": "", "desc": "Sandwich Romano", "quantity": 1, "priceOne": 349, "tax": 7, "group": [], "serialNumber": null, "item_type": "article", "reference_id": null, "contract_id": null, "sum": null }, { "id": 2, "parent": null, "articleNumber": "30200", "ean": "", "desc": "Fruit salad, small bowl", "quantity": 1, "priceOne": 249, "tax": 7, "group": [], "serialNumber": null, "item_type": "article", "reference_id": null, "contract_id": null, "sum": null }, { "id": 3, "parent": null, "articleNumber": "51", "ean": "4999012345678", "desc": "Water, mildly sprinkling, 0.25 ltr.", "quantity": 2, "priceOne": 99, "tax": 19, "group": [], "serialNumber": null, "item_type": "article", "reference_id": null, "contract_id": null, "sum": null } ], "texts": [], "type": "default" }, "receipt": [ { "type": "separator", "value": { "caption": "Kundenkarte" } }, { "type": "name-value", "value": { "name": "Kartennummer: ", "value": "9276004429942845", "decoration": [] } }, { "type": "name-value", "value": { "name": "TA Code: ", "value": "29187332", "decoration": [] } }, { "type": "space" }, { "type": "textline", "value": { "text": "Umsatz erfasst:", "decoration": [] } }, { "type": "textline", "value": { "text": "7,96 EUR", "decoration": [ "important" ] } }, { "type": "space" }, { "type": "textline", "value": { "text": "Aktuelles Guthaben", "decoration": [] } }, { "type": "textline", "value": { "text": "10,00 EUR", "decoration": [ "important" ] } } ], "basket_info": { "sum": 796, "currency": "EUR", "gratuity": null, "missing_sum": 0 }, "idents": [ { "object": "smart.idents", "id": "smi_1", "prefix": "9276", "name": "secucard Kundenkarte", "type": "card", "value": "9276004429942845", "valid": true, "merchantcard": { "object": "loyalty.merchantcards", "id": "MCD_2RXTNXPRM2YG9922UMBHHAEWEGN6AJ", "merchant": { "object": "general.merchants", "id": "MRC_35SZ3R5GGQQP4T0U2T5GFAN9P6C4PG" }, "created_for_merchant": { "object": "general.merchants", "id": "MRC_35SZ3R5GGQQP4T0U2T5GFAN9P6C4PG" }, "card": { "object": "loyalty.cards", "id": "CRD_2U7MTNAMM3PMBPAB50C9G2AEHA9GPJ", "cardnumber": "9276004429942845", "created": "2015-09-28T16:01:20+02:00" }, "cardgroup": { "object": "loyalty.cardgroups", "id": "CRG_2BESGJNETJJRZVVYS8R7JWGVWK4PRZ", "display_name": "Geschenkgutschein", "display_name_raw": "Geschenkgutschein", "stock_warn_limit": 0, "picture": "https://connect.secucard.com/ds_g/8e79737df1e2513db48908b342c3cc436edf501a" }, "created_for_store": { "object": "general.stores", "id": "STO_2ZCZRU9V6U8QA7B49K94667UP6C4PJ" }, "customer": { "object": "loyalty.customers", "id": "CUS_2YBREKK0A2MNAXJ752TSDD9DH3PKAJ", "contact": { "name": "Max Mustermann", "forename": "Max", "surname": "Mustermann", "dob": "2018-02-14T00:00:00+00:00" }, "created": "2018-05-03T10:14:06+02:00", "consent_for_communication": true }, "is_base_card": true, "points": 0, "cash_balance": 1000, "bonus_balance": 0, "balance": 1000, "last_usage": "2020-09-24T15:51:06+02:00", "last_charge": "2020-09-24T14:40:57+02:00", "stock_status": "active", "lock_status": "unlocked", "passcode": 0, "expiry_date": null }, "customer": { "object": "loyalty.customers", "id": "CUS_2YBREKK0A2MNAXJ752TSDD9DH3PKAJ", "contact": { "name": "Max Mustermann", "forename": "Max", "surname": "Mustermann", "dob": "2018-02-14T00:00:00+00:00" }, "created": "2018-05-03T10:14:06+02:00", "consent_for_communication": true } } ], "payment_method": "cash", "trans_id": "29187332", "is_demo": true, "application_context": { "locks": { "customer": false }, "return_urls": null, "iframe_opts": null }, "checkout_links": null, "payment_links": null}You can see, there is a Loyalty Transaction in the field /transactions. There are also some receipt lines for it in the field receipt. There is another section that describes how to print or display the receipt.