openapi: 3.2.0
info:
  title: Open Food Facts folksonomy REST Keys & Values API
  description: 'Folksonomy Engine API allows you to add free property/value pairs to Open Food Facts products.


    The API use the main following variables:

    * **product**: the product number

    * **k**: "key", meaning the property or tag

    * **v**: "value", the value for a related key


    ## See also


    * Project page

    * Folksonomy Engine github repository

    * Documented properties'
  version: 0.1.0
servers:
- url: https://api.folksonomy.openfoodfacts.org
  description: Production server
- url: http://localhost:8000
  description: Local development server
tags:
- name: Keys & Values
  description: Browse available keys and their possible values
paths:
  /keys:
    get:
      tags:
      - Keys & Values
      summary: Keys List
      description: 'Get the list of keys with statistics, with an optional search filter.


        The keys list can be restricted to private tags from some owner'
      operationId: keys_list_keys_get
      security:
      - OAuth2PasswordBearer: []
      parameters:
      - name: q
        in: query
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          default: ''
          title: Q
      - name: owner
        in: query
        required: false
        schema:
          type: string
          default: ''
          title: Owner
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/KeyStats'
                title: Response Keys List Keys Get
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /values/{k}:
    get:
      tags:
      - Keys & Values
      summary: Get Unique Values
      description: 'Get the unique values of a given property and the corresponding number of products


        - **k**: The property key to get unique values for

        - **owner**: None or empty for public tags, or your own user_id

        - **q**: Filter values by a query string

        - **limit**: Maximum number of values to return (default: 50; max: 1000)'
      operationId: get_unique_values_values__k__get
      security:
      - OAuth2PasswordBearer: []
      parameters:
      - name: k
        in: path
        required: true
        schema:
          type: string
          title: K
      - name: owner
        in: query
        required: false
        schema:
          type: string
          default: ''
          title: Owner
      - name: q
        in: query
        required: false
        schema:
          type: string
          default: ''
          title: Q
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          default: 50
          title: Limit
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ValueCount'
                title: Response Get Unique Values Values  K  Get
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    ValueCount:
      properties:
        v:
          type: string
          title: V
        product_count:
          type: integer
          title: Product Count
      type: object
      required:
      - v
      - product_count
      title: ValueCount
    KeyStats:
      properties:
        k:
          type: string
          title: K
        count:
          type: integer
          title: Count
        values:
          type: integer
          title: Values
      type: object
      required:
      - k
      - count
      - values
      title: KeyStats
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
  securitySchemes:
    OAuth2PasswordBearer:
      type: oauth2
      flows:
        password:
          scopes: {}
          tokenUrl: auth