---
title: "Retrieve a variable usage"
method: GET
path: "/v1/environment-variables/{variableKey}/usage"
tags: ["Environment Variables"]
---

# Retrieve a variable usage

`GET /v1/environment-variables/{variableKey}/usage`

## Request

- Base URL: `https://api.notifly.io`
- URL: `https://api.notifly.io/v1/environment-variables/{variableKey}/usage`
- Auth: API key in header `Authorization`

Returns the workflows that reference this environment variable via `{{env.KEY}}` in their step controls. **variableId** is required.

## Path parameters

- `variableKey` string, required

## Response `200`

OK

- object
  - `data` GetEnvironmentVariableUsageResponseDto
    - `workflows` EnvironmentVariableWorkflowInfoDto[], required: Array of workflows that reference this environment variable
      - `name` string, required: The name of the workflow
      - `workflowId` string, required: The unique identifier of the workflow

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Environment variable not found.
- `405`: Method Not Allowed
- `409`: Conflict
- `413`: Payload Too Large
- `414`: URI Too Long
- `415`: Unsupported Media Type
- `422`: Unprocessable Entity
- `429`: The client has sent too many requests in a given amount of time.
- `500`: Internal Server Error
- `503`: The server is currently unable to handle the request due to a temporary overload or scheduled maintenance, which will likely be alleviated after some delay.

---

[API](https://skmtc.dev/notifly/apis/notifly-api.md) · [All operations](https://skmtc.dev/notifly/apis/notifly-api/llms.txt) · [OpenAPI document](https://skmtc.dev/notifly/apis/notifly-api/revisions/af909b9e1e57?raw)