> ## 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.

# Source System Health Check

Validates that the API key used in the request belongs to an active source system for the given company. Useful for testing API key connectivity from external systems.


## OpenAPI

````yaml GET /sourceSystem/{COMPANY_ID}/healthz
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:
  /sourceSystem/{COMPANY_ID}/healthz:
    get:
      tags:
        - Source System
      summary: Source system health check
      operationId: SourceSystemController_healthz
      parameters:
        - name: COMPANY_ID
          required: true
          in: path
          description: Company identifier
          schema:
            type: string
      responses:
        '200':
          description: Source system is healthy
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BasicResponse'
        '401':
          description: Not authorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - APIKeyAuth: []
components:
  schemas:
    BasicResponse:
      type: object
      properties:
        status:
          type: string
          description: Response status
      required:
        - status
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
          description: Error message
        code:
          type: string
          description: Error code
      required:
        - error
  securitySchemes:
    APIKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key

````