v1

latestOpenAPI 3.0.02026-07-1462248.4 KB

sessions

Update an existing payment session

Use this API call to update a Klarna Payments session with new details, in case something in the order has changed and the checkout has been reloaded. Including if the consumer adds a new item to the cart or if consumer details are updated. Read more on Update an existing payment session.

post/payments/v1/sessions/{session_id}

Path parameters

session_idstring required

session_id

Request body

acquiring_channel'ECOMMERCE' | 'IN_STORE' | 'TELESALES'

The acquiring channel in which the session takes place. Ecommerce is default unless specified. Any other values should be defined in the agreement.

authorization_tokenstring

Authorization token.

client_tokenstring

Token to be passed to the JS client

custom_payment_method_idsstring[]

Promo codes - The array could be used to define which of the configured payment options within a payment category (pay_later, pay_over_time, etc.) should be shown for this purchase. Discuss with the delivery manager to know about the promo codes that will be configured for your account. The feature could also be used to provide promotional offers to specific customers (eg: 0% financing). Please be informed that the usage of this feature can have commercial implications.

designstring

Design package to use in the session. This can only by used if a custom design has been implemented for Klarna Payments and agreed upon in the agreement. It might have a financial impact. Delivery manager will provide the value for the parameter.

expires_atstring date-time

Session expiration date

intent'buy' | 'tokenize' | 'buy_and_tokenize'

Intent for the session. The field is designed to let partners inform Klarna of the purpose of the customer’s session.

localestring

Used to define the language and region of the customer. The locale follows the format of (RFC 1766)[https://datatracker.ietf.org/doc/rfc1766/], meaning its value consists of language-country. The following values are applicable:

AT: "de-AT", "de-DE", "en-DE" BE: "be-BE", "nl-BE", "fr-BE", "en-BE" CH: "it-CH", "de-CH", "fr-CH", "en-CH" DE: "de-DE", "de-AT", "en-DE" DK: "da-DK", "en-DK" ES: "es-ES", "ca-ES", "en-ES" FI: "fi-FI", "sv-FI", "en-FI" GB: "en-GB" IT: "it-IT", "en-IT" NL: "nl-NL", "en-NL" NO: "nb-NO", "en-NO" PL: "pl-PL", "en-PL" SE: "sv-SE", "en-SE" US: "en-US".

merchant_datastring

Pass through field to send any information about the order to be used later for reference while retrieving the order details (max 6000 characters)

merchant_reference1string

Used for storing merchant's internal order number or other reference.

merchant_reference2string

Used for storing merchant's internal order number or other reference. The value is available in the settlement files. (max 255 characters).

order_amountinteger

Total amount of the order including tax and any available discounts. The value should be in non-negative minor units. Eg: 25 Euros should be 2500.

order_tax_amountinteger

Total tax amount of the order. The value should be in non-negative minor units. Eg: 25 Euros should be 2500.

purchase_countrystring

The purchase country of the customer. The billing country always overrides purchase country if the values are different. Formatted according to ISO 3166 alpha-2 standard, e.g. GB, SE, DE, US, etc.

purchase_currencystring

The purchase currency of the order. Formatted according to ISO 4217 standard, e.g. USD, EUR, SEK, GBP, etc.

status'complete' | 'incomplete'

The current status of the session. Possible values: 'complete', 'incomplete' where 'complete' is set when the order has been placed.

Example request

{
  "acquiring_channel": "ECOMMERCE",
  "attachment": {
    "body": "{\"customer_account_info\":[{\"unique_account_identifier\":\"test@gmail.com\",\"account_registration_date\":\"2017-02-13T10:49:20Z\",\"account_last_modified\":\"2019-03-13T11:45:27Z\"}]}",
    "content_type": "application/vnd.klarna.internal.emd-v2+json"
  },
  "billing_address": {
    "attention": "Attn",
    "city": "London",
    "country": "GB",
    "email": "test.sam@test.com",
    "family_name": "Andersson",
    "given_name": "Adam",
    "phone": "+44795465131",
    "postal_code": "W1G 0PW",
    "region": "OH",
    "street_address": "33 Cavendish Square",
    "street_address2": "Floor 22 / Flat 2",
    "title": "Mr."
  },
  "client_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.ewogICJzZXNzaW9uX2lkIiA6ICIw",
  "customer": {
    "date_of_birth": "1978-12-31",
    "gender": "male",
    "title": "Mr.",
    "type": "organization"
  },
  "expires_at": "2038-01-19T03:14:07.000Z",
  "intent": "buy",
  "locale": "en-GB",
  "merchant_data": "{\"order_specific\":[{\"substore\":\"Women's Fashion\",\"product_name\":\"Women Sweatshirt\"}]}",
  "merchant_reference1": "ON4711",
  "merchant_reference2": "hdt53h-zdgg6-hdaff2",
  "merchant_urls": {
    "authorization": "https://www.example-url.com/authorization",
    "confirmation": "https://www.example-url.com/confirmation",
    "notification": "https://www.example-url.com/notification",
    "push": "https://www.example-url.com/push"
  },
  "options": {
    "color_border": "#FF9900",
    "color_border_selected": "#FF9900",
    "color_details": "#FF9900",
    "color_text": "#FF9900",
    "radius_border": "5px"
  },
  "order_amount": 2500,
  "order_lines": [
    {
      "image_url": "https://www.exampleobjects.com/logo.png",
      "merchant_data": "{\"customer_account_info\":[{\"unique_account_identifier\":\"test@gmail.com\",\"account_registration_date\":\"2017-02-13T10:49:20Z\",\"account_last_modified\":\"2019-03-13T11:45:27Z\"}]}",
      "name": "Running shoe",
      "product_identifiers": {
        "brand": "shoe-brand",
        "category_path": "Shoes > Running",
        "color": "white",
        "global_trade_item_number": "4912345678904",
        "manufacturer_part_number": "AD6654412-334.22",
        "size": "small"
      },
      "product_url": "https://.../AD6654412.html",
      "quantity": 1,
      "quantity_unit": "pcs",
      "reference": "AD6654412",
      "tax_rate": 1900,
      "total_amount": 2500,
      "total_discount_amount": 500,
      "total_tax_amount": 475,
      "type": "physical",
      "unit_price": 2500
    }
  ],
  "order_tax_amount": 475,
  "payment_method_categories": [
    {
      "asset_urls": {
        "descriptive": "https://x.klarnacdn.net/payment-method/assets/badges/generic/klarna.svg",
        "standard": "https://x.klarnacdn.net/payment-method/assets/badges/generic/klarna.svg"
      },
      "identifier": "klarna",
      "name": "Pay with Klarna"
    }
  ],
  "purchase_country": "GB",
  "purchase_currency": "GBP",
  "shipping_address": {
    "attention": "Attn",
    "city": "London",
    "country": "GB",
    "email": "test.sam@test.com",
    "family_name": "Andersson",
    "given_name": "Adam",
    "phone": "+44795465131",
    "postal_code": "W1G 0PW",
    "region": "OH",
    "street_address": "33 Cavendish Square",
    "street_address2": "Floor 22 / Flat 2",
    "title": "Mr."
  },
  "status": "complete"
}

Response

The session was updated successfully.