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

# Delete a property

> Delete a contact property by ID. All associated property values on contacts will also be removed.



## OpenAPI

````yaml DELETE /properties/{id}
openapi: 3.1.0
info:
  title: SendKit API
  description: The SendKit API allows you to send transactional emails programmatically.
  version: 1.0.0
servers:
  - url: https://api.sendkit.dev
security:
  - bearerAuth: []
paths:
  /properties/{id}:
    delete:
      tags:
        - Properties
      summary: Delete a property
      description: >-
        Delete a contact property by ID. All associated property values on
        contacts will also be removed.
      operationId: deleteProperty
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The property ID.
      responses:
        '204':
          description: Property deleted successfully
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          description: Conflict — property is used in segment filters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                message: >-
                  This property is used in segment filters and cannot be
                  deleted.
components:
  responses:
    Unauthorized:
      description: Unauthorized — missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            message: Invalid API key.
    NotFound:
      description: The requested resource was not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            message: Not found.
  schemas:
    ErrorResponse:
      type: object
      properties:
        name:
          type: string
          description: Error type identifier.
          example: validation_error
        message:
          type: string
          description: Human-readable error message.
          example: The from address domain is not verified.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        API key from your SendKit dashboard. Pass it as a Bearer token in the
        Authorization header.

````