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

# Delete unassigned access control credential

> Delete an unassigned access control credential. The credential must be unassigned (revoked) before this method can be called. History of the credential is maintained but it will no longer be returned as an unassigned credential.



## OpenAPI

````yaml https://api2.rhombussystems.com/api/openapi/public.json post /api/accesscontrol/deleteUnassignedAccessControlCredential
openapi: 3.0.1
info:
  contact:
    email: developer@rhombussystems.com
  description: >-
    This API is for use by Rhombus customers and partners.


    ## Authentication


    All requests require two headers:

    - `x-auth-scheme` — The authentication scheme identifier. Use `api-token`
    for standard API key auth, or `partner-api-token` for partner API auth.

    - `x-auth-apikey` — Your Rhombus API key.


    Example:

    ```

    POST /api/camera/getMinimalCameraStateList

    x-auth-scheme: api-token

    x-auth-apikey: YOUR_API_KEY

    Content-Type: application/json

    ```
  title: Rhombus API
  version: '1.0'
servers:
  - description: Production Server
    url: https://api2.rhombussystems.com
security:
  - ApiKeyAuth: []
paths:
  /api/accesscontrol/deleteUnassignedAccessControlCredential:
    post:
      tags:
        - Access Control Webservice
      summary: Delete unassigned access control credential
      description: >-
        Delete an unassigned access control credential. The credential must be
        unassigned (revoked) before this method can be called. History of the
        credential is maintained but it will no longer be returned as an
        unassigned credential.
      operationId: deleteUnassignedAccessControlCredential
      parameters:
        - description: >-
            Authentication scheme identifier. Use `api-token` for standard API
            key authentication, `partner-api-token` for partner API key
            authentication. Must be paired with the `x-auth-apikey` header
            containing your API key.
          example: api-token
          in: header
          name: x-auth-scheme
          required: true
          schema:
            type: string
            default: api-token
            enum:
              - api-token
              - api
              - partner-api-token
              - partner-api
      requestBody:
        content:
          application/json:
            schema:
              $ref: >-
                #/components/schemas/Accesscontrol_credentials_DeleteUnassignedAccessControlCredentialWSRequest
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/Accesscontrol_credentials_DeleteUnassignedAccessControlCredentialWSResponse
          description: OK
components:
  schemas:
    Accesscontrol_credentials_DeleteUnassignedAccessControlCredentialWSRequest:
      type: object
      description: Request to delete an unassigned access control credential.
      properties:
        credentialHexValue:
          type: string
          description: Hex value of the credential to delete
          example: 1234567890ABCDEF
          nullable: true
    Accesscontrol_credentials_DeleteUnassignedAccessControlCredentialWSResponse:
      type: object
      description: >-
        Response indicating successful deletion of an unassigned access control
        credential.
  securitySchemes:
    ApiKeyAuth:
      description: >-
        Your Rhombus API key. Must be accompanied by the `x-auth-scheme` header
        set to `api-token` (or `partner-api-token` for partner endpoints).
      in: header
      name: x-auth-apikey
      type: apiKey

````