---
title: "Save a Trail investigation to the workspace"
method: POST
path: "/v2/investigations"
tags: ["Investigations"]
---

# Save a Trail investigation to the workspace

`POST /v2/investigations`

## Request body

- CreateInvestigationDto
  - `title` string, required
  - `subject_type` 'address' | 'transaction'
  - `subject_address` string
  - `subject_network` string
  - `subject_tx_hash` string
  - `status` 'open' | 'archived'
  - `data` object — Trail canvas snapshot; validated leniently server-side

## Response `201`

- InvestigationDto
  - `id` string, required
  - `workspace_id` string, required
  - `title` string, required
  - `subject_type` 'address' | 'transaction', nullable
  - `subject_address` string, nullable
  - `subject_network` string, nullable
  - `subject_tx_hash` string, nullable
  - `status` 'open' | 'archived', required
  - `created_by` string, nullable
  - `created_at` string, required
  - `updated_at` string, required
  - `data` object, required — Trail canvas snapshot (nodes, notes, canvas state)

---

[API](https://skmtc.net/range/apis/range-platform-api.md) · [All operations](https://skmtc.net/range/apis/range-platform-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/range/range-platform-api/revisions/9926df2e476d/schema)