Lightspeed PMS Integration API

openapi: 3.2.0
info:
  version: 1.0.0
  title: Lightspeed Restaurant K Series PMS Integration API
  description: '**Lightspeed Restaurant** offers a **REST API** in order to communicate with the data in the system. These APIs are built using the RESTful standards and adhere to the basic verb interactions as defined by the REST standard.

    Detailed developer guides can be found in the [Lightspeed Restaurant API Portal](https://api-portal.lsk.lightspeed.app/).

    These services are in continuous development and subject to change. Please find our versioning policy [here](https://api-portal.lsk.lightspeed.app/quick-start/versioning).

    '
  x-logo:
    altText: Lightspeed Commerce
    url: static/lightspeed@2x.png
  contact:
    name: Lightspeed Commerce
    url: https://api-portal.lsk.lightspeed.app/
  x-generated-from: documentation
  x-last-validated: '2026-06-02'
  x-source-url: https://api-docs.lsk.lightspeed.app/source.json
servers:
- url: https://api.trial.lsk.lightspeed.app
  description: Demo URL
  x-bump-branch-name: demo
- url: https://api.lsk.lightspeed.app
  description: Production URL
  x-bump-branch-name: prod
tags:
- name: PMS Integration
paths: {}
webhooks:
  pms-integration{subscriber-host}/charge:
    post:
      summary: Transaction Details
      operationId: transactionDetails
      description: "What subscriber endpoint implementation will receive when a transaction is made.\nSubscriber path need to end with `/charge`.\nSubscriber implementation should follow the payload backward compatibility rules below:\n  - What considered as backward **compatible**:\n    - Addition of new fields, enums, headers, or parameters.\n    - Transition from optional to required fields. Which means Lightspeed will consistently send the parameter/field from now on.\n  - What considered as backward **incompatible**:\n    - Alteration of schema structure, such as switching from a map to an array.\n    - Removal of field/enum/header\n    - Changes in data types, such as converting from string to integer.\n    - Changes of property name\n"
      parameters:
      - in: header
        name: Accept
        required: true
        schema:
          type: string
          example: application/json
          description: 'The expected response content type from subscriber.

            Only application/json is supported.

            '
      - in: header
        name: X-Lightspeed-Idempotency-Key
        required: true
        schema:
          type: string
          example: LS1_123e4567-e89b-12d3-a456-426614174000
          description: 'Subscribers should utilize the Idempotency Key to ensure duplicates are handled appropriately on their end.

            '
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/pms-integrationSalesWebhookDto'
      responses:
        '200':
          description: 'Subscriber should return this code if it successfully processed the charge request at PMS.

            Following that, Lightspeed will mark the PMS charge transaction as SUCCESS as well.

            '
        5XX:
          description: 'If any server error occurs subscriber can pass their own custom message to the POS.

            The response body content need to follow the schema, else only `5XX {Error Type}` will be sent.

            '
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/pms-integrationErrorWebhookDto'
        4XX:
          description: 'If any client error occurs subscriber can pass their own custom message to the POS.

            The response body content need to follow the schema, else only `4XX {Error Type}` will be sent.

            '
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/pms-integrationErrorWebhookDto'
      tags:
      - PMS Integration
components:
  schemas:
    pms-integrationErrorWebhookDto:
      type: object
      description: 'The error response body content should follow this schema.

        If the response body content does not follow this schema, only the status code will be sent.

        All other property beside customerErrorMessage will be ignored.

        '
      properties:
        customerErrorMessage:
          type: string
          maxLength: 50
          example: Network failure
          description: 'The error message that will be sent and printed at the POS.

            Length should not exceed 50 characters to avoid truncation.

            '
    pms-integrationSalesWebhookDto:
      type: object
      properties:
        name:
          type: string
          description: Name of the transaction
        openDate:
          type: string
          format: date-time
          description: The date and time when the transaction was opened in UTC
          example: '2021-01-01T00:00:00Z'
        closeDate:
          type: string
          format: date-time
          description: The date and time when the transaction was closed in UTC
          example: '2021-01-01T00:00:00Z'
        covers:
          type: number
          description: The number of covers (guests) in this transaction.
          example: 2
        ownerId:
          type: integer
          format: int64
          description: The ID of the POS user (staff) who owns this transaction
          example: 12345
        ownerName:
          type: string
          description: The name of the POS user (staff) who owns this transaction
          example: John Doe
        deviceId:
          type: integer
          format: int64
          description: The ID of the device on which the transaction was started
          example: 12345
        businessExternalReference:
          type: string
          description: Client name
          example: quickbooks-123
        apiKey:
          type: string
          description: API Key.
          example: quickbooks-key-345
        receiptId:
          type: string
          description: Receipt ID
          example: R51.3
        fiscId:
          type: string
          description: 'Unique identifier for the transaction, can be used this for any identification purposes.

            '
          example: A1234.5
        uuid:
          type: string
          description: 'A b64 encoded uuid which also act as unique identifier for the transaction,

            also can be used for any identification purposes.

            '
          example: xfe9ldKWSfW8VrAYUcnvGA==
        initialAccountId:
          type: string
          description: 'Initial Account ID, if any.

            This is used to correlate the transaction with the initial account, such on REFUND or VOID.

            '
          example: A1234.1
        identifier:
          deprecated: true
          type: string
          description: Refer to the non null value of either the fiscId or uuid as fallback.
          example: A1234.5
        revenueCenterId:
          type: integer
          format: int64
          description: Revenue Center (POS Configuration) ID
          example: 94489280528
        revenueCenterName:
          type: string
          description: Revenue Center (POS Configuration) Name
          example: Fixed POS
        transactions:
          type: array
          items:
            $ref: '#/components/schemas/pms-integrationPmsTransactionWebhookDto'
        payments:
          type: array
          items:
            $ref: '#/components/schemas/pms-integrationPmsPaymentWebhookDto'
        serviceCharge:
          $ref: '#/components/schemas/pms-integrationPmsServiceChargeWebhookDto'
    pms-integrationPmsTransactionWebhookDto:
      type: object
      properties:
        unitAmount:
          type: number
          description: The price of single item.
          example: 10.0
        quantity:
          type: number
          description: 'The quantity of the items. Negative quantity indicates a refund/cancellation/void.

            '
          example: 2.0
        amount:
          type: number
          description: The total pre-tax amount of this transaction sale line.
          example: 20.0
        description:
          type: string
          description: The item name
          example: French Fries
        staffId:
          type: integer
          format: int64
          description: The ID of the POS user (staff) who processed this transaction line
          example: 6
        staffName:
          type: string
          description: The name of the POS user (staff) who processed this transaction line
          example: John Doe
        groupId:
          type: integer
          format: int64
          description: Lightspeed accounting group id which the item belongs to.
          example: 25769803810
        groupName:
          type: string
          description: Lightspeed accounting group name which the item belongs to.
          example: Food
        taxId:
          deprecated: true
          type: integer
          format: int64
          description: Deprecated, refer to taxLines.
          example: 12345
        taxName:
          deprecated: true
          type: string
          description: Deprecated, refer to taxLines.
          example: VAT 10%
        taxRate:
          deprecated: true
          type: number
          description: The tax rate of the items.
          example: 1.1
        taxIncluded:
          deprecated: true
          type: boolean
          description: Deprecated, refer to taxLines.
          example: true
        sku:
          type: string
          description: The SKU of the items.
          example: F07
        type:
          type: string
          enum:
          - Sale
          - LineDiscount
          - AccountDiscount
          - PercentItem
          description: The type of the transaction line.
        serviceChargeContribution:
          type: number
          description: The amount of the service charge contribution.
          example: 4.5
        taxLines:
          type: array
          items:
            $ref: '#/components/schemas/pms-integrationPmsTaxLineWebhookDto'
    pms-integrationPmsPaymentWebhookDto:
      type: object
      properties:
        paymentDate:
          type: string
          format: date-time
          description: The date and time when the payment was made in UTC
          example: '2021-01-01T00:00:00Z'
        staffId:
          type: integer
          format: int64
          description: The ID of the POS user (staff) who processed this payment
          example: 6
        staffName:
          type: string
          description: The name of the POS user (staff) who processed this payment
          example: John Doe
        gratuity:
          type: number
          description: The amount of the gratuity (tips).
          example: 1.0
        amount:
          type: number
          description: The total amount of the received payment.
          example: 66.0
        methodName:
          type: string
          description: The name of the payment method.
          example: MEWS
        methodCode:
          type: string
          description: The code of the payment method.
          example: IKPMS
        reservationId:
          type: string
          description: The reservation ID of the payment.
          example: '001'
    pms-integrationPmsServiceChargeWebhookDto:
      type: object
      properties:
        amount:
          type: number
          description: The amount of the service charge.
          example: 1.0
        type:
          type: string
          enum:
          - UNTAXED
          - APPORTIONED
          description: The type of the service charge.
          example: UNTAXED
    pms-integrationPmsTaxLineWebhookDto:
      type: object
      properties:
        taxId:
          type: string
          description: The tax identifier.
          example: '12345'
        taxName:
          type: string
          description: The name of the tax.
          example: VAT 10%
        taxAmount:
          type: number
          description: The amount of the tax.
          example: 1.0
        taxRate:
          type: number
          description: The rate of the tax.
          example: 1.1
        taxIncluded:
          type: boolean
          description: Whether the tax is included in the price (VAT).
          example: true
  securitySchemes:
    OAuth2:
      description: 'The Lightspeed Restaurant K-Series APIs support OAuth2 authentication using the [authorization code grant flow](https://www.oauth.com/oauth2-servers/server-side-apps/authorization-code/).

        See our [Authorization Quick Start Guide](https://api-portal.lsk.lightspeed.app/quick-start/authentication/authorization-overview) for more details on how to authenticate.

        '
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: /oauth/authorize
          tokenUrl: /oauth/token
          scopes:
            orders-api: 'Read business information, floors, menus, discounts, and production instructions.

              Read and write orders and payments. Read [Rich Item](https://api-docs.lsk.lightspeed.app/prod/group/endpoint-rich-item) data.'
            financial-api: Read financial data
            reservation-***: Platform reservations scope. The `***` will be replaced by the [platform-code](https://api-docs.lsk.lightspeed.app/operation/operation-reservation-servicesetbyplatformcode#operation-reservation-servicesetbyplatformcode-platform-code) of the reservation platform.
            items: Read and write items
            propertymanagement: Read and write Property Management System configurations.
            id-cards: Create and manage ID card batches and cards.
            staff-api: Read shift information, read and write user information.
            reservations-api: 'Configure *legacy* reservation integrations.

              **Note:** This API will eventually be deprecated in favour of the new [Reservations for Platforms](https://api-docs.lsk.lightspeed.app/group/endpoint-reservations-for-platforms) API.

              More information on the new reservations workflows can be found in the [Integration Guide](https://api-portal.lsk.lightspeed.app/category/reservations).'
x-tagGroups:
- name: Rich Item API
  tags:
  - Rich Item
  - Migration
- name: Tax Preview API
  tags:
  - Tax Breakdown
- name: Staff Api
  tags:
  - Staff
  - Internal Staff
- name: Reservation API
  tags:
  - Reservations for Platforms
- name: PMS API
  tags:
  - PMS
- name: Items API
  tags:
  - Items
  - ItemsV2
  - Menus
  - Buttons
  - Production Instructions
  - Inventory
  - Combos
  - Groups
  - MenusV2
  - Accounting Group
  - IntegrationMenu
  - Price Lists
  - Products
  - ItemAppearance
  - Modifiers
  - ModifierGroups
  - Allergens
  - Locales
  - RichItem
- name: id-cards-api API
  tags:
  - ID Cards
- name: Financial API
  tags:
  - Financial
  - FinancialV2
- name: Online Ordering API
  tags:
  - Order and Pay
  - 'Order and Pay: Webhook'