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

# Upload Files



## OpenAPI

````yaml POST /evidences/{COMPANY_ID}/file
openapi: 3.0.0
info:
  title: TimeLockData API
  description: Public API for evidence management and blockchain traceability
  version: 1.0.0
  contact: {}
servers:
  - url: https://api.timelockdata.com/api/v1
    description: Production
security: []
tags: []
paths:
  /evidences/{COMPANY_ID}/file:
    post:
      tags:
        - Evidence Management
      summary: Upload files
      operationId: DigitalTwinController_addFile
      parameters:
        - name: COMPANY_ID
          required: true
          in: path
          description: Company identifier
          schema:
            type: string
        - name: CATEGORY_ID
          required: true
          in: query
          description: Category identifier
          schema:
            type: string
        - name: SUBCATEGORY_ID
          required: false
          in: query
          description: Subcategory identifier
          schema:
            type: string
        - name: DT_ID
          required: false
          in: query
          description: Evidence identifier
          schema:
            type: string
        - name: C2PA
          required: false
          in: query
          description: Force C2PA signing (true/false)
          schema:
            type: string
        - name: AI_GENERATED
          required: false
          in: query
          description: Mark files as AI-generated (true/false)
          schema:
            type: string
        - name: AI_MODEL
          required: false
          in: query
          description: AI model used to generate the content (e.g. DALL-E 3, Midjourney)
          schema:
            type: string
        - name: AI_PROMPT
          required: false
          in: query
          description: Prompt used to generate the content
          schema:
            type: string
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              $ref: '#/components/schemas/AddFileRequest'
      responses:
        '201':
          description: Files uploaded
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AddFileResponse'
      security:
        - APIKeyAuth: []
components:
  schemas:
    AddFileRequest:
      type: object
      properties:
        files:
          type: array
          description: Files to upload
          items:
            type: string
            format: binary
        metadata:
          type: string
          description: Stringified array of file metadata
    AddFileResponse:
      type: object
      properties:
        id:
          description: IDs of the newly added files
          type: array
          items:
            type: string
      required:
        - id
  securitySchemes:
    APIKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key

````