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

# Bulk-unacknowledge selected events

> Clears the acknowledgement state of a set of events identified by `EventIds`. Returns the number of events un-acknowledged.

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## OpenAPI

````yaml delete /watchlists/{id}/events/acknowledge
openapi: 3.1.1
info:
  title: TIC Lens API
  description: "The TIC Lens API provides programmatic access to company, person, property, vehicle, and order data.\r\n\r\n## Authentication\r\n\r\nAll requests require an API key passed via the `x-api-key` header:\r\n\r\n```bash\r\ncurl -H \"x-api-key: YOUR_API_KEY\" https://lens-api.tic.io/companies/123\r\n```\r\n\r\nAPI keys are managed through the TIC Lens web application under **Settings → API Keys**.\r\n\r\n## Base URL\r\n\r\n| Environment | URL |\r\n|-------------|-----|\r\n| Production  | `https://lens-api.tic.io` |\r\n\r\n## Feature Access\r\n\r\nEndpoints are gated by your subscription plan. If your plan does not include a feature, the endpoint will return `403 Forbidden`.\r\n\r\n## Rate Limits\r\n\r\nRate limits are applied per API key. If you exceed the limit, requests will return `429 Too Many Requests`.\r\n\r\n## Response Format\r\n\r\nAll responses are JSON. Null values are omitted from responses.\r\n"
  version: v1
servers:
  - url: https://lens-api.tic.io
security:
  - ApiKey: []
tags:
  - name: Addresses
  - name: Bolagsverket
  - name: Brf
  - name: Companies
  - name: Documents
  - name: FlightImages
  - name: Free
  - name: Orders
  - name: OrdersExports
  - name: PaymentControl
  - name: PaymentControlImport
  - name: Persons
  - name: Properties
  - name: PublicSearch
  - name: SearchAutocomplete
  - name: Sentinel
  - name: ServingPermits
  - name: Team
  - name: Teams
  - name: Transportstyrelsen
  - name: Vehicles
  - name: WatchList
paths:
  /watchlists/{id}/events/acknowledge:
    delete:
      tags:
        - WatchList
      summary: Bulk-unacknowledge selected events
      description: >-
        Clears the acknowledgement state of a set of events identified by
        `EventIds`. Returns the number of events un-acknowledged.
      operationId: BulkUnacknowledgeWatchListEvents
      parameters:
        - name: id
          in: path
          description: Watchlist GUID
          required: true
          schema:
            type: string
            format: uuid
      requestBody:
        content:
          application/json-patch+json:
            schema:
              $ref: >-
                #/components/schemas/Ormeo_Web_Lens_Models_WatchList_BulkUnacknowledgeEvents_Request
          application/json:
            schema:
              $ref: >-
                #/components/schemas/Ormeo_Web_Lens_Models_WatchList_BulkUnacknowledgeEvents_Request
          text/json:
            schema:
              $ref: >-
                #/components/schemas/Ormeo_Web_Lens_Models_WatchList_BulkUnacknowledgeEvents_Request
          application/*+json:
            schema:
              $ref: >-
                #/components/schemas/Ormeo_Web_Lens_Models_WatchList_BulkUnacknowledgeEvents_Request
      responses:
        '200':
          description: Returns { unacknowledgedCount }
        '400':
          description: Empty EventIds
        '404':
          description: Watchlist not found, or no matching events
components:
  schemas:
    Ormeo_Web_Lens_Models_WatchList_BulkUnacknowledgeEvents_Request:
      type: object
      properties:
        eventIds:
          type:
            - 'null'
            - array
          items:
            type: integer
            format: int32
      additionalProperties: false
  securitySchemes:
    ApiKey:
      type: apiKey
      name: x-api-key
      in: header

````