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

# Link a saved Trail investigation to a case



## OpenAPI

````yaml /api-reference/platform-api.json post /v2/cases/{id}/investigations
openapi: 3.0.0
info:
  title: Range Platform API
  description: >-
    The Range Platform API for workspace management, counterparties, and
    operational tooling.
  version: 1.7.16
  contact: {}
servers:
  - url: https://api.range.org
    description: Range API Server
security:
  - Authorization: []
  - Authorization: []
tags:
  - name: Address Information
    description: Get information about a crypto address.
  - name: Transfer Enrichments
    description: Attach workspace-scoped notes and categories to transfers.
  - name: Counterparties
    description: Manage external entities, their addresses, bank accounts, and documents.
paths:
  /v2/cases/{id}/investigations:
    post:
      tags:
        - Cases
      summary: Link a saved Trail investigation to a case
      operationId: linkInvestigation
      parameters:
        - name: id
          required: true
          in: path
          description: The case id (uuid).
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LinkInvestigationDto'
      responses:
        '204':
          description: ''
components:
  schemas:
    LinkInvestigationDto:
      type: object
      properties:
        investigation_id:
          type: string
          format: uuid
          example: a1b2c3d4-e5f6-7890-abcd-ef1234567890
      required:
        - investigation_id
  securitySchemes:
    Authorization:
      type: apiKey
      in: header
      name: X-API-KEY
      description: Authorization method required to allow user to access the api endpoints.

````