---
title: "Create matter type"
method: POST
path: "/matters/v1/types"
tags: ["Matters"]
---

# Create matter type

`POST /matters/v1/types`

Create a matter type with plain-English operating instructions and seeded work.

## Request body

- object
  - `name` string, required
  - `slug` string
  - `description` string
  - `instructions` string
  - `default_agent_type_id` string
  - `review_agent_type_id` string
  - `orchestration_mode` 'auto' | 'human'
  - `intake_requirements` string[]
  - `review_criteria` string[]
  - `exit_criteria` string[]
  - `skill_refs` string[]
  - `default_metadata` object
  - `default_work_items` object[]
  - `is_active` boolean

## Response `201`

Matter type created

## Changes

- **2026-03-28** `9579fb47836b` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/casemark/apis/case-dev-api/changes/matters/v1/types/post.md)

---

[API](https://skmtc.dev/casemark/apis/case-dev-api.md) · [All operations](https://skmtc.dev/casemark/apis/case-dev-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/casemark/case-dev-api/revisions/5b7e64e6d6f9/schema)