Klarna Merchant Card Service API — Merchantcard

naftiko: 1.0.0-alpha2
info:
  label: Klarna Merchant Card Service API — Merchantcard
  description: 'Klarna Merchant Card Service API — Merchantcard. 7 operations. Lead operation: Klarna Request order cancellation.
    Self-contained Naftiko capability covering one Klarna business surface.'
  tags:
  - Klarna
  - Merchantcard
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    KLARNA_API_KEY: KLARNA_API_KEY
capability:
  consumes:
  - type: http
    namespace: merchant-card-service-merchantcard
    baseUri: https://api.klarna.com
    description: Klarna Merchant Card Service API — Merchantcard business capability. Self-contained, no shared references.
    resources:
    - name: merchantcard-v3-orders-order_id-cancel-request
      path: /merchantcard/v3/orders/{order_id}/cancel-request
      operations:
      - name: postcancelorder
        method: POST
        description: Klarna Request order cancellation
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: order_id
          in: path
          type: string
          description: Order id you wish to cancel. This order must have an associated Virtual Credit Card Settlement.
          required: true
      - name: getcancelorder
        method: GET
        description: Klarna Get order cancellation status
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: order_id
          in: path
          type: string
          description: Order id for which to view its cancellation status. This order must have an associated Virtual Credit
            Card Settlement.
          required: true
    - name: merchantcard-v3-promises
      path: /merchantcard/v3/promises
      operations:
      - name: createpromise
        method: POST
        description: Klarna Create a card promise
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: merchantcard-v3-promises-promise_id
      path: /merchantcard/v3/promises/{promise_id}
      operations:
      - name: readpromise
        method: GET
        description: Klarna Get details of a card promise
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: promise_id
          in: path
          type: string
          required: true
    - name: merchantcard-v3-settlements
      path: /merchantcard/v3/settlements
      operations:
      - name: settlepromise
        method: POST
        description: Klarna Create a card settlement
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: merchantcard-v3-settlements-order-order_id
      path: /merchantcard/v3/settlements/order/{order_id}
      operations:
      - name: readsettlementbyorderid
        method: GET
        description: Klarna Get card settlement details for an order
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: order_id
          in: path
          type: string
          description: Unique identifier for the order associated to the settlement.
          required: true
        - name: KeyId
          in: header
          type: string
          description: Unique identifier for the public key used for encryption of the card data.
          required: true
    - name: merchantcard-v3-settlements-settlement_id
      path: /merchantcard/v3/settlements/{settlement_id}
      operations:
      - name: readsettlement
        method: GET
        description: Klarna Get details of card  settlement
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: settlement_id
          in: path
          type: string
          description: Unique settlement identifier.
          required: true
        - name: KeyId
          in: header
          type: string
          description: Unique identifier for the public key used for encryption of the card data.
          required: true
  exposes:
  - type: rest
    namespace: merchant-card-service-merchantcard-rest
    port: 8080
    description: REST adapter for Klarna Merchant Card Service API — Merchantcard. One Spectral-compliant resource per consumed
      operation, prefixed with /v1.
    resources:
    - path: /v1/merchantcard/v3/orders/{order-id}/cancel-request
      name: merchantcard-v3-orders-order-id-cancel-request
      description: REST surface for merchantcard-v3-orders-order_id-cancel-request.
      operations:
      - method: POST
        name: postcancelorder
        description: Klarna Request order cancellation
        call: merchant-card-service-merchantcard.postcancelorder
        with:
          order_id: rest.order_id
        outputParameters:
        - type: object
          mapping: $.
      - method: GET
        name: getcancelorder
        description: Klarna Get order cancellation status
        call: merchant-card-service-merchantcard.getcancelorder
        with:
          order_id: rest.order_id
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/merchantcard/v3/promises
      name: merchantcard-v3-promises
      description: REST surface for merchantcard-v3-promises.
      operations:
      - method: POST
        name: createpromise
        description: Klarna Create a card promise
        call: merchant-card-service-merchantcard.createpromise
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/merchantcard/v3/promises/{promise-id}
      name: merchantcard-v3-promises-promise-id
      description: REST surface for merchantcard-v3-promises-promise_id.
      operations:
      - method: GET
        name: readpromise
        description: Klarna Get details of a card promise
        call: merchant-card-service-merchantcard.readpromise
        with:
          promise_id: rest.promise_id
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/merchantcard/v3/settlements
      name: merchantcard-v3-settlements
      description: REST surface for merchantcard-v3-settlements.
      operations:
      - method: POST
        name: settlepromise
        description: Klarna Create a card settlement
        call: merchant-card-service-merchantcard.settlepromise
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/merchantcard/v3/settlements/order/{order-id}
      name: merchantcard-v3-settlements-order-order-id
      description: REST surface for merchantcard-v3-settlements-order-order_id.
      operations:
      - method: GET
        name: readsettlementbyorderid
        description: Klarna Get card settlement details for an order
        call: merchant-card-service-merchantcard.readsettlementbyorderid
        with:
          order_id: rest.order_id
          KeyId: rest.KeyId
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/merchantcard/v3/settlements/{settlement-id}
      name: merchantcard-v3-settlements-settlement-id
      description: REST surface for merchantcard-v3-settlements-settlement_id.
      operations:
      - method: GET
        name: readsettlement
        description: Klarna Get details of card  settlement
        call: merchant-card-service-merchantcard.readsettlement
        with:
          settlement_id: rest.settlement_id
          KeyId: rest.KeyId
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: merchant-card-service-merchantcard-mcp
    port: 9090
    transport: http
    description: MCP adapter for Klarna Merchant Card Service API — Merchantcard. One tool per consumed operation, routed
      inline through this capability's consumes block.
    tools:
    - name: klarna-request-order-cancellation
      description: Klarna Request order cancellation
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: merchant-card-service-merchantcard.postcancelorder
      with:
        order_id: tools.order_id
      outputParameters:
      - type: object
        mapping: $.
    - name: klarna-get-order-cancellation-status
      description: Klarna Get order cancellation status
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: merchant-card-service-merchantcard.getcancelorder
      with:
        order_id: tools.order_id
      outputParameters:
      - type: object
        mapping: $.
    - name: klarna-create-card-promise
      description: Klarna Create a card promise
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: merchant-card-service-merchantcard.createpromise
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: klarna-get-details-card-promise
      description: Klarna Get details of a card promise
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: merchant-card-service-merchantcard.readpromise
      with:
        promise_id: tools.promise_id
      outputParameters:
      - type: object
        mapping: $.
    - name: klarna-create-card-settlement
      description: Klarna Create a card settlement
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: merchant-card-service-merchantcard.settlepromise
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: klarna-get-card-settlement-details
      description: Klarna Get card settlement details for an order
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: merchant-card-service-merchantcard.readsettlementbyorderid
      with:
        order_id: tools.order_id
        KeyId: tools.KeyId
      outputParameters:
      - type: object
        mapping: $.
    - name: klarna-get-details-card-settlement
      description: Klarna Get details of card  settlement
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: merchant-card-service-merchantcard.readsettlement
      with:
        settlement_id: tools.settlement_id
        KeyId: tools.KeyId
      outputParameters:
      - type: object
        mapping: $.