Lemon Squeezy Checkouts API

openapi: 3.0.1
info:
  title: Lemon Squeezy Checkouts 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: Checkouts
paths:
  /checkouts:
    get:
      operationId: listCheckouts
      tags:
      - Checkouts
      summary: List all checkouts
      parameters:
      - name: filter[store_id]
        in: query
        schema:
          type: string
      - name: filter[variant_id]
        in: query
        schema:
          type: string
      responses:
        '200':
          description: A list of checkouts.
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/JsonApiCollection'
    post:
      operationId: createCheckout
      tags:
      - Checkouts
      summary: Create a checkout
      description: Create a custom checkout with prefilled customer data, custom price, product options, and checkout options. Returns a hosted checkout URL.
      requestBody:
        required: true
        content:
          application/vnd.api+json:
            schema:
              $ref: '#/components/schemas/JsonApiResource'
      responses:
        '201':
          description: The created checkout object including its URL.
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/JsonApiResource'
  /checkouts/{id}:
    get:
      operationId: retrieveCheckout
      tags:
      - Checkouts
      summary: Retrieve a checkout
      parameters:
      - $ref: '#/components/parameters/ResourceId'
      responses:
        '200':
          description: A checkout object.
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/JsonApiResource'
components:
  schemas:
    JsonApiResource:
      type: object
      description: A JSON:API document containing a single resource object.
      properties:
        jsonapi:
          type: object
          properties:
            version:
              type: string
        data:
          $ref: '#/components/schemas/JsonApiResourceObject'
        links:
          type: object
          additionalProperties:
            type: string
    JsonApiResourceObject:
      type: object
      description: A single JSON:API resource object.
      properties:
        type:
          type: string
          description: The resource type, e.g. stores, products, subscriptions.
        id:
          type: string
          description: The unique resource ID.
        attributes:
          type: object
          description: The resource's attributes.
          additionalProperties: true
        relationships:
          type: object
          description: Related resources.
          additionalProperties: true
        links:
          type: object
          additionalProperties:
            type: string
    JsonApiCollection:
      type: object
      description: A JSON:API document containing a collection of resource objects.
      properties:
        jsonapi:
          type: object
          properties:
            version:
              type: string
        data:
          type: array
          items:
            $ref: '#/components/schemas/JsonApiResourceObject'
        links:
          type: object
          description: Pagination links (first, last, prev, next).
          additionalProperties:
            type: string
        meta:
          type: object
          properties:
            page:
              type: object
              properties:
                currentPage:
                  type: integer
                from:
                  type: integer
                lastPage:
                  type: integer
                perPage:
                  type: integer
                to:
                  type: integer
                total:
                  type: integer
  parameters:
    ResourceId:
      name: id
      in: path
      required: true
      description: The resource ID.
      schema:
        type: string
  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.