---
title: "Changes to Look up derivation info by NAR file name"
method: GET
path: "/api/v1/catalog/info/nar/{nar_file}"
---

# Changes to Look up derivation info by NAR file name

`GET /api/v1/catalog/info/nar/{nar_file}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 6 of 61 revisions.

- **2026-03-09** `049c4d7c9f61`: 1 info
- **2026-01-14** `f0bff5cb573a`: 4 breaking, 7 warning, 3 info
- **2025-10-01** `ab87524d87fd`: 2 breaking
- **2025-10-01** `d8eec2c57c5b`: 1 info
- **2025-09-26** `cab4ffab4c19`: 1 info
- **2024-04-11** `7ba31661b446`: 1 breaking

## Changes

- **2026-03-09** `049c4d7c9f61`: 1 info
  - added the optional property `derivations/items/licenses` to the response with the `200` status
- **2026-01-14** `f0bff5cb573a`: 4 breaking, 7 warning, 3 info
  - removed the required property `drv_path` from the response with the `200` status
  - removed the required property `name` from the response with the `200` status
  - removed the required property `outputs` from the response with the `200` status
  - removed the required property `system` from the response with the `200` status
  - removed the optional property `broken` from the response with the `200` status
  - removed the optional property `description` from the response with the `200` status
  - removed the optional property `license` from the response with the `200` status
  - removed the optional property `outputs_to_install` from the response with the `200` status
  - removed the optional property `pname` from the response with the `200` status
  - removed the optional property `unfree` from the response with the `200` status
  - removed the optional property `version` from the response with the `200` status
  - added the non-success response with the status `404`
  - added the required property `derivations` to the response with the `200` status
  - added the required property `storepath` to the response with the `200` status
- **2025-10-01** `ab87524d87fd`: 2 breaking
  - the response property `description` became nullable for the status `200`
  - the response property `description` became optional for the status `200`
- **2025-10-01** `d8eec2c57c5b`: 1 info
  - api operation id `derivation_for_nar_file_api_v1_catalog_info_nar__nar_file__get` removed and replaced with `nar_file_lookup_api_v1_catalog_info_nar__nar_file__get`
- **2025-09-26** `cab4ffab4c19`: 1 info
  - endpoint added
- **2024-04-11** `7ba31661b446`: 1 breaking
  - api path removed without deprecation

---

[Operation](https://skmtc.dev/flox/apis/floxhub-catalog-server/docs/api/v1/catalog/info/nar/:nar_file/get.md) - [API](https://skmtc.dev/flox/apis/floxhub-catalog-server.md) - [Page](https://skmtc.dev/flox/apis/floxhub-catalog-server/changes/api/v1/catalog/info/nar/:nar_file/get)