---
title: "GET /v2/costformation/definition/versions/{version}"
method: GET
path: "/v2/costformation/definition/versions/{version}"
tags: ["costformation"]
---

# GET /v2/costformation/definition/versions/{version}

`GET /v2/costformation/definition/versions/{version}`

Get a CloudZero CostFormation Definition Version

## Path parameters

- `version` string, required

## Query parameters

- `namespace` string

## Headers

- `cloudzero-idempotency-key` string
- `cloudzero-test-key` string

## Response `200`

Successful Operation

- object
  - `version` CostformationDefinitionVersionWithUrl
    - `version` string, required
    - `last_updated` string — String representation of an epoch (UTC timestamp)
    - `last_updated_by` string — email, username, or api key that created this entity (optional)
    - `uri` string, uri, required

## Other responses

- `400` — Bad Request Error
- `403` — Forbidden
- `422` — Invalid CloudZero CostFormation Namespace Format Error

---

[API](https://skmtc.dev/cloudzero/apis/cloudzero-api-v2-resources.md) · [All operations](https://skmtc.dev/cloudzero/apis/cloudzero-api-v2-resources/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/cloudzero/cloudzero-api-v2-resources/revisions/fd805a0e75e5/schema)