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OpenAPI Specification

openapi: 3.2.0
info:
  title: Lemon Squeezy License API
  description: The Lemon Squeezy API is a REST API based on the JSON:API specification. It exposes the resources of a Lemon Squeezy merchant-of-record account - stores, products, variants, prices, files, orders, order items, customers, subscriptions, subscription invoices, subscription items, usage records, license keys, license key instances, checkouts, discounts, discount redemptions, and webhooks. All requests use Bearer API key authentication and must send the Accept and Content-Type headers application/vnd.api+json.
  termsOfService: https://www.lemonsqueezy.com/terms
  contact:
    name: Lemon Squeezy Support
    url: https://docs.lemonsqueezy.com
  version: v1
servers:
- url: https://api.lemonsqueezy.com/v1
security:
- api_key: []
tags:
- name: License API
paths:
  /licenses/activate:
    post:
      operationId: activateLicenseKey
      tags:
      - License API
      summary: Activate a license key
      description: Public License API endpoint. Activates a license key and creates a new license key instance. Submitted as application/x-www-form-urlencoded with license_key and instance_name.
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - license_key
              - instance_name
              properties:
                license_key:
                  type: string
                instance_name:
                  type: string
      responses:
        '200':
          description: License key activation result.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LicenseApiResponse'
  /licenses/validate:
    post:
      operationId: validateLicenseKey
      tags:
      - License API
      summary: Validate a license key
      description: Public License API endpoint. Validates a license key, optionally for a specific instance_id.
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - license_key
              properties:
                license_key:
                  type: string
                instance_id:
                  type: string
      responses:
        '200':
          description: License key validation result.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LicenseApiResponse'
  /licenses/deactivate:
    post:
      operationId: deactivateLicenseKey
      tags:
      - License API
      summary: Deactivate a license key
      description: Public License API endpoint. Deactivates a license key instance by license_key and instance_id.
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - license_key
              - instance_id
              properties:
                license_key:
                  type: string
                instance_id:
                  type: string
      responses:
        '200':
          description: License key deactivation result.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LicenseApiResponse'
components:
  schemas:
    LicenseApiResponse:
      type: object
      description: Response from the public License API endpoints.
      properties:
        activated:
          type:
          - boolean
          - 'null'
        valid:
          type:
          - boolean
          - 'null'
        deactivated:
          type:
          - boolean
          - 'null'
        error:
          type:
          - string
          - 'null'
        license_key:
          type: object
          additionalProperties: true
        instance:
          type:
          - object
          - 'null'
          additionalProperties: true
        meta:
          type: object
          additionalProperties: true
  securitySchemes:
    api_key:
      type: http
      scheme: bearer
      bearerFormat: apiKey
      description: Bearer authentication using a Lemon Squeezy API key. Requests must also send Accept and Content-Type headers of application/vnd.api+json.