---
title: "Get information about a specific parameter"
method: GET
path: "/parameter/{parameterID}"
tags: ["Parameters"]
---

# Get information about a specific parameter

`GET /parameter/{parameterID}`

## Path parameters

- `parameterID` string, required

## Response `200`

The requested parameter's information is sent back in the response body

- Parameter
  - `values` Values — All keys are ISO dates. Values can be numbers, booleans, or arrays of a single type (number, boolean or string).
  - `brackets` object
  - `subparams` object
  - `metadata` object
  - `description` string
  - `id` integer
  - `source` string

## Other responses

- `404` — The requested parameter does not exist

## Changes

> 28 revisions in range; 1 could not be searched.

- **2022-11-17** `8230dba91ae5` — 1 info
  - added 'propertyNames' constraint to the `values` response property for the status `200`
- **2022-10-16** `99fd939badee` — 1 breaking, 2 warning
  - added `subschema #1, subschema #2` to the `values/additionalProperties/oneOf[subschema #3]/items/` response property `oneOf` list for the response status `200`
  - the optional response header `schema` removed for the status `200`
  - the optional response header `schema` removed for the status `404`
- **2022-10-16** `89012c518ce9` — 1 info
  - added the media type `application/json` for the response with the status `200`
- **2018-08-01** `a3fca283cd57` — 1 breaking, 4 warning
  - removed the media type `application/json` for the response with the status `200`
  - the optional response header `Country-Package` removed for the status `200`
  - the optional response header `Country-Package` removed for the status `404`
  - the optional response header `Country-Package-Version` removed for the status `200`
  - …1 more

[Change history](https://skmtc.dev/openfisca/apis/country-package-name-web-api/changes/parameter/:parameterID/get.md)

---

[API](https://skmtc.dev/openfisca/apis/country-package-name-web-api.md) · [All operations](https://skmtc.dev/openfisca/apis/country-package-name-web-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/openfisca/country-package-name-web-api/revisions/297f18b6e68f/schema)