# Retrieve a specific Variable.

**GET /v1/Services/{ServiceSid}/Environments/{EnvironmentSid}/Variables/{Sid}**

Retrieve a specific Variable.
A key and value pair that is specific to an Environment.

## Servers
- https://serverless.twilio.com: https://serverless.twilio.com ()


## Authentication methods
- Account sid auth token


## Parameters

### Path parameters
- **ServiceSid** (string)
  The SID of the Service to fetch the Variable resource from.
- **EnvironmentSid** (string)
  The SID of the Environment with the Variable resource to fetch.
- **Sid** (string)
  The SID of the Variable resource to fetch.



## Responses
### 200
OK
#### Headers
- **Access-Control-Allow-Origin** (string)
  Specify the origin(s) allowed to access the resource
- **Access-Control-Allow-Methods** (string)
  Specify the HTTP methods allowed when accessing the resource
- **Access-Control-Allow-Headers** (string)
  Specify the headers allowed when accessing the resource
- **Access-Control-Allow-Credentials** (boolean)
  Indicates whether the browser should include credentials
- **Access-Control-Expose-Headers** (string)
  Headers exposed to the client

#### Body: application/json (object)
- **sid** (string | null)
  The unique string that we created to identify the Variable resource.
- **account_sid** (string | null)
  The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Variable resource.
- **service_sid** (string | null)
  The SID of the Service that the Variable resource is associated with.
- **environment_sid** (string | null)
  The SID of the Environment in which the Variable exists.
- **key** (string | null)
  A string by which the Variable resource can be referenced.
- **value** (string | null)
  A string that contains the actual value of the Variable.
- **date_created** (string(date-time) | null)
  The date and time in GMT when the Variable resource was created specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
- **date_updated** (string(date-time) | null)
  The date and time in GMT when the Variable resource was last updated specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
- **url** (string(uri) | null)
  The absolute URL of the Variable resource.


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