> ## Documentation Index
> Fetch the complete documentation index at: https://loops.so/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# List contact properties

> Retrieve a list of your account's contact properties.



## OpenAPI

````yaml /openapi.json get /v1/contacts/properties
openapi: 3.1.0
info:
  title: Loops OpenAPI Spec
  description: This is the OpenAPI Spec for the [Loops API](https://loops.so/docs/api).
  version: 1.21.0
servers:
  - url: https://app.loops.so/api
security: []
tags:
  - name: API key
  - name: Audience segments
    description: View audience segments
  - name: Campaigns
    description: Create and manage email campaigns
  - name: Campaign groups
    description: Organize campaigns into groups
  - name: Components
    description: View email components
  - name: Configuration
    description: View configuration settings
  - name: Contacts
    description: Manage contacts in your audience
  - name: Contact properties
    description: Manage contact properties
  - name: Email messages
    description: Manage email message content for campaigns
  - name: Events
    description: Trigger workflows with events
  - name: Event patterns
    description: View workflow event patterns
  - name: Mailing lists
    description: View mailing lists
  - name: Themes
    description: View email themes
  - name: Transactional emails
    description: Create, manage, and send transactional emails
  - name: Transactional groups
    description: Organize transactional emails into groups
  - name: Uploads
    description: Upload image assets
  - name: Workflows
    description: View and mutate workflow graphs
  - name: Workflow nodes
    description: View and mutate workflow nodes
paths:
  /v1/contacts/properties:
    get:
      tags:
        - Contact properties
      summary: List contact properties
      description: >-
        Retrieve a list of your account's contact properties.<br>Use the `list`
        parameter to query "all" or "custom" properties.
      parameters:
        - name: list
          in: query
          required: false
          description: '`all` (default) or `custom` (only custom contact properties)'
          schema:
            type: string
      responses:
        '200':
          description: Successful.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ContactProperty'
        '405':
          description: Wrong HTTP request method.
      security:
        - apiKey: []
components:
  schemas:
    ContactProperty:
      type: object
      properties:
        key:
          type: string
          description: The key of the contact property.
        label:
          type: string
          description: The human-friendly label for this property..
        type:
          type: string
          description: The type of property.
          enum:
            - string
            - number
            - boolean
            - date
      examples:
        - key: favoriteColor
          label: Favorite color
          type: string
      required:
        - key
        - label
        - type
  securitySchemes:
    apiKey:
      type: http
      scheme: bearer

````

## Related topics

- [Contact properties](/docs/cli/contact-properties.md)
- [API Introduction](/docs/api-reference/intro.md)
- [Create a contact property](/docs/api-reference/create-contact-property.md)
- [Personalizing emails](/docs/creating-emails/personalizing-emails.md)
