PayPal Checkout (javascript) with Smart Payment Buttons create order problem

[kornelko]

I'm trying to implement on my webpage the PayPal Checkout (javascript) following the manual: https://developer.paypal.com/docs/checkout/

Everything is great with standard options. But when I try to be more specific about the order details it gives me an error:

"description": "Cannot deserialize instance of `com.paypal.api.platform.checkout.orders.v2.model.AmountBreakdown` out of START_ARRAY token line: 1, column: 82"
"links": [ { "href": "https://developer.paypal.com/docs/api/orders/v2/#error-INVALID_SYNTAX", "rel": "information_link", "encType": "application/json" }

This is my code:

paypal.Buttons({
    createOrder: function(data, actions) {
        return actions.order.create({
            purchase_units: [{
                amount: {
                    currency_code: 'EUR',
                    value: '120.16',
                    breakdown: [{
                        item_total: {
                            currency_code: 'EUR',
                            value: '120.16'
                        }
                    }]

                },
                description: 'Purchase Unit test description',
                custom_id: '64735',
                items: [{
                    name: 'Test item 1',
                    unit_amount: {
                        currency_code: 'EUR',
                        value: '60.12'
                    },
                    quantity: 2,
                    description: 'Uaua item 1 description'
                }, {
                    name: 'Test item 2',
                    unit_amount: {
                        currency_code: 'EUR',
                        value: '60.00'
                    },
                    quantity: 5,
                    description: 'Test item 2 description'
                }]
            }]
        });
    },
    onApprove: function(data, actions) {
        return actions.order.capture().then(function(details) {
            alert('Transaction completed by ' + details.payer.name.given_name);
            // Call your server to save the transaction
            return fetch('/api/paypal-transaction-complete', {
                method: 'post',
                headers: {
                    'content-type': 'application/json'
                },
                body: JSON.stringify({
                    orderID: data.orderID
                })
            });
        });
    }
}).render('#paypal-button-container');

Someone told me to remove unit_amount from the breakdown but it does not change anything.

I can not find any more elaborated example how the breakdown should look like 😞

Help will be very appreciated.

[kornelko · Accepted solution]

After some digging I have found the answer:

paypal.Buttons({
    createOrder: function(data, actions) {
        return actions.order.create({
            purchase_units: [
                {
                    reference_id: "PUHF",
                    description: "Some description",

                    custom_id: "Something7364",
                    soft_descriptor: "Great description 1",
                    amount: {
                        currency_code: "EUR",
                        value: "200.00",
                        breakdown: {
                            item_total: {
                                currency_code: "EUR",
                                value: "200.00"
                            }
                        }
                    },
                    items: [
                        {
                            name: "Item 1",
                            description: "The best item ever",
                            sku: "xyz-2654",
                            unit_amount: {
                                currency_code: "EUR",
                                value: "100.00"
                            },
                            quantity: "1"
                        },
                        {
                            name: "Item 2",
                            description: "Not bad too",
                            sku: "zdc-3942",
                            unit_amount: {
                                currency_code: "EUR",
                                value: "50.00"
                            },
                            quantity: "2"
                        }
                    ],

                }
            ]
        });
    },
    onApprove: function(data, actions) {
        return actions.order.capture().then(function(details) {
            alert('Transaction completed by ' + details.payer.name.given_name);
            // Call your server to save the transaction
            return fetch('/api/paypal-transaction-complete', {
                method: 'post',
                headers: {
                    'content-type': 'application/json'
                },
                body: JSON.stringify({
                    orderID: data.orderID
                })
            });
        });
    }
}).render('#paypal-button-container');