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Scan and Pay

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Paysera offers a secure API that lets your customers easily pay for product or service using your generated or static QR code. In this chapter will be explained use case with a static QR code (PAYSERA*{locationId}:{identifier}).

scan-and-pay

Generating QR code

Different QR code types initiate different actions when scanned.

Available QR code templates.

Template
Description
PAYSERA%{transactionKey}
Code is used to initiate transaction confirmation
PAYSERA*{locationId}:{identifier}
Code is used to get transactions registered for some concrete place. See POS Features for more details
EVP{walletId}
walletIdis padded with0to the left side to the total of 12 characters. This code initializes payment form to beneficiary with specified wallet ID. For example, useEVP000000000001to initialize payment form to wallet with ID1
https://paysera.com/app?qr={code}
codeis any other QR code - when this QR code is scanned with Paysera application, this has the same effect as if just thecodevalue is scanned. However if it's scanned with some other QR code scanner, page in this URL gives more information about the application and how it could be installed on the device

Integration with the specification

1. Customer scans QR code

Customer scans your generated QR code. Spot status changes to waiting.

2. Get spots with waiting status

Info You should frequently check for spots with waiting status 
GET https://wallet.paysera.com/rest/v1/spots?status=:waiting

Example request:

GET /rest/v1/spots?status=waiting HTTP/1.1
Host: wallet.paysera.com
User-Agent: Paysera WalletApi PHP library
Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="irSg0m2b8N87EIhAENNkP+2O3E2x0KkddoTMSOEmHt8="

Example response:

HTTP/1.1 200 OK
Content-type: application/json;charset=utf-8
{
    "spots": [
        {
            "id": 15,
            "status": "waiting",
            "identifier": "table1",
            "place_info": {
                "title": "Cool caffe",
                "description": "Coffee and cakes for everyone, even you!",
                "address": "address",
                "location_id": 1
            },
            "check_ins": [
                {
                    "user_id": 99,
                    "date": 1111111112
                }
            ],
            "orders": []
        }
    ],
    "_metadata": {
        "total": 1,
        "offset": 0,
        "limit": 3
    }
}

3. Create transaction

POST https://wallet.paysera.com/rest/v1/transaction

Example request:

POST /rest/v1/transaction HTTP/1.1
Host: wallet.paysera.com
Content-Type: application/json;charset=utf-8
User-Agent: Paysera WalletApi PHP library
Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="VEXxazEcDiEls7djj12ngBiMBv3JzwJOn8+Eqd9NUx8=", ext="body_hash=IVDvIGlLKavxtPIloqFNlAspEt1YlRL2VEGmcNjLPKg%3D"
{
    "payments": [
        {
            "description": "Payment for order No. 1234",
            "price": 1299,
            "currency": "EUR",
            "parameters": {
                "orderid": 1234
            }
        }
    ],
    "redirect_uri": "http://www.example.com/somePage"
}

Example response:

HTTP/1.1 200 OK
Content-type: application/json;charset=utf-8
{
    "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
    "created_at": 1585146007,
    "status": "new",
    "valid_for_payment_card_debit": false,
    "reserve": {
        "for": 2592000
    },
    "use_allowance": true,
    "suggest_allowance": false,
    "auto_confirm": false,
    "redirect_uri": "http://www.example.com/somePage",
    "project_id": 19019492,
    "payments": [
        {
            "id": 186975531,
            "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
            "created_at": 1585146007,
            "status": "new",
            "cancelable": false,
            "price": 1299,
            "currency": "EUR",
            "price_decimal": "12.99",
            "freeze": {
                "for": 0
            },
            "freeze_for": 0,
            "description": "Payment for order No. 1234",
            "parameters": {
                "orderid": 1234
            }
        }
    ],
    "inquiries": []
}

4. Create an order with a transaction created above

POST https://wallet.paysera.com/rest/v1/spot/:id/order

Example request:

POST /rest/v1/spot/1/order HTTP/1.1
Host: wallet.paysera.com
Content-Type: application/json;charset=utf-8
User-Agent: Paysera WalletApi PHP library
Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="tG7zkaFGyeqt00i9NXKhiVzPjuLYh2GinSL6l6Cgijc=", ext="body_hash=9fSrhGfETAG0H9O%2BMqrpupLFqtG8nB05dag9neRfZoY%3D"
{
    "transaction_key": "ATaNL6X6CivO2Ou0FMPt"
}

Example response:

HTTP/1.1 200 OK
Content-type: application/json;charset=utf-8
{
    "id": 11,
    "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
    "status": "pending"
}

5. Customer confirms order

Customer gets information about created order and confirms it. After that transaction status becomes reserved.

6. Get transactions with reserved status

GET https://wallet.paysera.com/rest/v1/transactions?status=:reserved

Example request:

POST /rest/v1/transactions?status=reserved HTTP/1.1
Host: wallet.paysera.com
User-Agent: Paysera WalletApi PHP library
Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="yxj82ABgJ3TpNWWpsnoEijfhZdx4a5etY5ncyeLCw1A="

Example response:

HTTP/1.1 200 OK
Content-type: application/json;charset=utf-8
{
    "transactions": [
        {
            "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
            "created_at": 1585146007,
            "status": "reserved",
            "type": "page",
            "wallet": 14471,
            "valid_for_payment_card_debit": false,
            "project_id": 2248,
            "payments": [
                {
                    "id": 186975531,
                    "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
                    "created_at": 1585146007,
                    "status": "confirmed",
                    "price": 1299,
                    "currency": "EUR",
                    "price_decimal": "12.99",
                    "wallet": 14471,
                    "confirmed_at": 1585146195,
                    "freeze": {
                        "until": 1585146295
                    },
                    "description": "Payment for order No. 1234",
                    "parameters": {
                        "orderid": 1234
                    }
                }
            ]
        }
    ],
    "_metadata": {
        "total": 1,
        "offset": 0,
        "limit": 50
    }
}

7. Confirm transaction

PUT https://wallet.paysera.com/rest/v1/transaction/:transaction_key/confirm

Example request:

PUT /rest/v1/transaction/ATaNL6X6CivO2Ou0FMPt/confirm HTTP/1.1
Host: wallet.paysera.com
User-Agent: Paysera WalletApi PHP library
Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="MJzOrlIPFTOujw0WODc8HHHGGlDCFCjRK2U2pt23yoQ="

Example response:

HTTP/1.1 200 OK
Content-type: application/json;charset=utf-8
{
    "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
    "created_at": 1585146007,
    "status": "confirmed",
    "type": "page",
    "wallet": 14471,
    "valid_for_payment_card_debit": false,
    "confirmed_at": 1355314392,
    "project_id": 2248,
    "payments": [
        {
            "id": 2988,
            "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
            "created_at": 1585146007,
            "status": "confirmed",
            "price": 1299,
            "currency": "EUR",
            "wallet": 14471,
            "price_decimal": "12.99",
            "confirmed_at": 1585146195,
            "freeze": {
                "until": 1585146295
            },
            "description": "Payment for order No. 1234",
            "parameters": {
                "orderid": 1234
            }
        }
    ],
    "allowance": {
        "optional": true,
        "data": {
            "id": 784,
            "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
            "created_at": 1585146007,
            "status": "active",
            "currency": "EUR",
            "wallet": 14471,
            "confirmed_at": 1585146195,
            "valid": {
                "until": 1585146295
            },
            "description": "Allowance for weekly services (5 weeks)",
            "max_price": 1500,
            "max_price_decimal": "15.00",
            "limits": [
                {
                    "max_price": 300,
                    "max_price_decimal": "3.00",
                    "time": 604800
                }
            ]
        }
    }
}

8. Close spot

PUT https://wallet.paysera.com/rest/v1/spot/:id/close

Example request:

PUT /rest/v1/spot/15/close HTTP/1.1
Host: wallet.paysera.com
User-Agent: Paysera WalletApi PHP library
Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="963jX80YNVkX0rpIvMKQvi0/5II1qB2PQPfrBJagg3s="

Example response:

HTTP/1.1 200 OK
Content-type: application/json;charset=utf-8
{
    "id": 15,
    "status": "closed",
    "identifier": "table1",
    "place_info": {
        "title": "Cool caffe",
        "description": "Coffee and cakes for everyone, even you!",
        "address": "address",
        "location_id": 9975
    },
    "orders": [
        {
            "id": 11,
            "transaction_key": "ATaNL6X6CivO2Ou0FMPt",
            "status": "closed"
        }
    ]
}