Klarna Refunds API

openapi: 3.2.0
info:
  description: Hosted Payment Page (HPP) API is a service that lets you integrate Klarna Payments without the need of hosting the web page that manages the client side of Klarna Payments.
  version: '1.1'
  title: Klarna HPP Captures Refunds API
  license:
    name: Klarna Bank AB
servers:
- url: https://api.klarna.com
tags:
- name: Refunds
paths:
  /ordermanagement/v1/orders/{order_id}/refunds:
    post:
      description: Create a refund. Read more on [Refunds](https://docs.klarna.com/order-management/post-delivery/refund/)
      operationId: refundOrder
      parameters:
      - description: Order id
        in: path
        name: order_id
        required: true
        schema:
          type: string
      - description: This header will guarantee the idempotency of the operation. The key should be unique and is recommended to be a UUID version 4. Retries of requests are safe to be applied in case of errors such as network errors, socket errors and timeouts. Input values of the operation are disregarded when evaluating the idempotency of the operation, only the key matters.
        in: header
        name: Klarna-Idempotency-Key
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RefundObject'
        required: true
      responses:
        '201':
          content:
            application/json:
              schema:
                type: string
          description: Refund created
          headers:
            Location:
              description: The URI at which the created refund can be found
              style: simple
            Refund-Id:
              description: The id of the created refund
              style: simple
        '403':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Refund_not_allowed_error_message'
          description: Refund not allowed
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Not_found_error_message'
          description: Order not found.
      security:
      - basicAuth: []
      summary: Klarna Refund an order
      tags:
      - Refunds
  /ordermanagement/v1/orders/{order_id}/refunds/{refund_id}:
    get:
      description: 'Get refund. '
      operationId: get
      parameters:
      - description: Order id
        in: path
        name: order_id
        required: true
        schema:
          type: string
      - description: Refund id
        in: path
        name: refund_id
        required: true
        schema:
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Refund'
          description: Refund found.
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Not_found_error_message'
          description: Order or refund not found.
      security:
      - basicAuth: []
      summary: Klarna Get refund details
      tags:
      - Refunds
components:
  schemas:
    ProductIdentifiers:
      description: product_identifiers
      properties:
        brand:
          description: 'The product''s brand name as generally recognized by consumers. If no brand is available for a product, do not supply any value. Maximum 70 characters. Example: Intel'
          example: Intel
          maxLength: 70
          minLength: 0
          type: string
        category_path:
          description: 'The product''s category path as used in the merchant''s webshop. Include the full and most detailed category and separate the segments with '' > ''. Maximum 750 characters. Example: Electronics Store > Computers & Tablets > Desktops'
          example: Electronics Store > Computers & Tablets > Desktops
          maxLength: 750
          minLength: 0
          type: string
        color:
          description: 'Color to be shown to the end customer (max 64 characters). Example: Denim blue'
          example: Denim blue
          maxLength: 64
          minLength: 0
          type: string
        global_trade_item_number:
          description: 'The product''s Global Trade Item Number (GTIN). Common types of GTIN are EAN, ISBN or UPC. Exclude dashes and spaces, where possible. Maximum 50 characters. Example: 735858293167'
          example: '735858293167'
          maxLength: 50
          minLength: 0
          type: string
        manufacturer_part_number:
          description: 'The product''s Manufacturer Part Number (MPN), which - together with the brand - uniquely identifies a product. Only submit MPNs assigned by a manufacturer and use the most specific MPN possible. Maximum 70 characters. Example: BOXNUC5CPYH'
          example: BOXNUC5CPYH
          maxLength: 70
          minLength: 0
          type: string
        size:
          description: 'Size to be shown to the end customer (max 64 characters). Example: 4'
          example: '4'
          maxLength: 64
          minLength: 0
          type: string
      type: object
    Not_found_error_message:
      properties:
        correlation_id:
          description: Correlation id. For searching logs.
          example: 66782175-ae05-44fc-9eb3-eeceadbad271
          type: string
        error_code:
          description: Error code
          example: NOT_FOUND
          type: string
        error_messages:
          description: Error messages
          items:
            description: Error messages
            type: string
          type: array
      type: object
    subscription:
      description: Subscription information, such as the cadence and product name of the subscription that an order line item belongs to.
      properties:
        interval:
          description: 'The cadence unit. Matches: DAY|WEEK|MONTH|YEAR'
          example: MONTH
          pattern: DAY|WEEK|MONTH|YEAR
          type: string
        interval_count:
          description: The number of intervals.
          format: int32
          minimum: 1
          type: integer
        name:
          description: The name of the subscription product. Maximum 255 characters.
          maxLength: 255
          minLength: 0
          type: string
      required:
      - interval
      - interval_count
      - name
      type: object
    RefundObject:
      properties:
        description:
          description: Description of the refund shown to the customer. Max length is 255 characters.
          maxLength: 255
          minLength: 0
          type: string
        order_lines:
          description: Order lines for the refund shown to the customer. Optional but increases the customer experience. Maximum 1000 order lines.
          items:
            $ref: '#/components/schemas/order_line'
          maxItems: 1000
          minItems: 0
          type: array
        reference:
          description: Internal reference to the refund. This will be included in the settlement files. Max length is 255 characters.
          maxLength: 255
          minLength: 0
          type: string
        refunded_amount:
          description: Refunded amount in minor units.
          format: int64
          maximum: 200000000
          minimum: 0
          type: integer
      required:
      - refunded_amount
      type: object
    Refund:
      properties:
        credit_invoice:
          description: Only relevant for B2B Orders. If the flag is set to true for an order with B2B_invoice as payment method, the customer will receive the refund as a credit invoice.
          type: boolean
        description:
          description: Description of the refund shown to the customer. Max length is 255 characters.
          example: The item was returned and the order refunded.
          type: string
        order_lines:
          description: Order lines for the refund shown to the customer. Optional but increases the customer experience. Maximum 1000 order lines.
          items:
            $ref: '#/components/schemas/order_line'
          type: array
        reference:
          description: Internal reference to the refund that is also included in the settlement files. Max length is 255 characters.
          type: string
        refund_id:
          description: The refund id. Generated when the refund is created.
          example: b2cb4f2e-2781-4359-80ad-555735ebb8d8
          type: string
        refunded_amount:
          description: Refunded amount in minor units.
          format: int64
          type: integer
        refunded_at:
          description: The time of the refund. ISO 8601.
          example: '2015-12-04T15:17:40Z'
          format: date-time
          type: string
      type: object
    Refund_not_allowed_error_message:
      properties:
        correlation_id:
          description: Correlation id. For searching logs.
          example: 66782175-ae05-44fc-9eb3-eeceadbad271
          type: string
        error_code:
          description: Error code
          example: REFUND_NOT_ALLOWED
          type: string
        error_messages:
          description: Error messages
          items:
            description: Error messages
            type: string
          type: array
      type: object
    order_line:
      description: List of order lines for the capture shown to the customer.
      properties:
        image_url:
          description: URL to an image that can be embedded in communications between Klarna and the customer.
          example: https://yourstore.example/product/headphones.png
          maxLength: 1024
          minLength: 0
          type: string
        merchant_data:
          description: Data about the order line.
          example: Some metadata
          maxLength: 1024
          minLength: 0
          type: string
        name:
          description: Descriptive item name.
          maxLength: 255
          minLength: 0
          type: string
        product_identifiers:
          $ref: '#/components/schemas/ProductIdentifiers'
        product_url:
          description: URL to the product that can be used in communications between Klarna and the customer.
          example: https://yourstore.example/product/headphones
          maxLength: 1024
          minLength: 0
          type: string
        quantity:
          description: Item quantity.
          example: 1
          format: int64
          minimum: 0
          type: integer
        quantity_unit:
          description: Unit used to describe the quantity.
          example: pcs.
          maxLength: 10
          minLength: 0
          type: string
        reference:
          description: Article number, SKU, or similar identifier on the product variant level.
          example: '75001'
          maxLength: 255
          minLength: 0
          type: string
        subscription:
          $ref: '#/components/schemas/subscription'
        tax_rate:
          description: The tax rate in percent with two implicit decimals.
          format: int32
          minimum: 0
          type: integer
        total_amount:
          description: Total amount including tax and discounts (`quantity * unit_price - total_discount_amount`).
          format: int64
          maximum: 200000000
          type: integer
        total_discount_amount:
          description: 'The discount amount in minor units. Includes tax. Example: 1200 = $12. Max value: 200000000'
          example: 0
          format: int64
          maximum: 200000000
          minimum: 0
          type: integer
        total_tax_amount:
          description: The total tax amount in minor units.
          format: int64
          maximum: 200000000
          type: integer
        type:
          description: Order line type.
          enum:
          - physical|discount|shipping_fee|sales_tax|store_credit|gift_card|digital|surcharge|return_fee
          example: physical
          pattern: physical|discount|shipping_fee|sales_tax|store_credit|gift_card|digital|surcharge|return_fee
          type: string
        unit_price:
          description: Unit price including tax without applying discounts in minor units.
          format: int64
          maximum: 200000000
          type: integer
      required:
      - name
      - quantity
      - total_amount
      - unit_price
      type: object