Get variable

curl --request GET \
  --url https://realtime-api.voiceflow.com/v1/stable/function-variable/<variableID> \
  --header 'Authorization: Bearer <token>'

const response = await fetch('https://realtime-api.voiceflow.com/v1/stable/function-variable/<variableID>?projectID=<projectID>&environmentAlias=<environmentAlias>', {
  method: 'GET',
  headers: {
    Authorization: 'Bearer <token>',
  },
});
const data = await response.json();

import requests

response = requests.get(
    'https://realtime-api.voiceflow.com/v1/stable/function-variable/<variableID>?projectID=<projectID>&environmentAlias=<environmentAlias>',
    headers={'Authorization': 'Bearer <token>'},
)
data = response.json()

{
  "variable": {
    "id": "<string>",
    "name": "<string>",
    "type": "input",
    "createdAt": "2026-09-10T00:00:00.000Z",
    "updatedAt": "2026-09-10T00:00:00.000Z",
    "functionID": "<string>",
    "description": "<string>"
  }
}

GET

/v1/stable/function-variable/{variableID}

Get variable

curl --request GET \
  --url https://realtime-api.voiceflow.com/v1/stable/function-variable/<variableID> \
  --header 'Authorization: Bearer <token>'

const response = await fetch('https://realtime-api.voiceflow.com/v1/stable/function-variable/<variableID>?projectID=<projectID>&environmentAlias=<environmentAlias>', {
  method: 'GET',
  headers: {
    Authorization: 'Bearer <token>',
  },
});
const data = await response.json();

import requests

response = requests.get(
    'https://realtime-api.voiceflow.com/v1/stable/function-variable/<variableID>?projectID=<projectID>&environmentAlias=<environmentAlias>',
    headers={'Authorization': 'Bearer <token>'},
)
data = response.json()

{
  "variable": {
    "id": "<string>",
    "name": "<string>",
    "type": "input",
    "createdAt": "2026-09-10T00:00:00.000Z",
    "updatedAt": "2026-09-10T00:00:00.000Z",
    "functionID": "<string>",
    "description": "<string>"
  }
}

Authorizations

Authorization

string

header

required

Voiceflow bearer token

Path Parameters

variableID

string

required

Query Parameters

projectID

string

required

The ID of the project to operate on.

environmentAlias

string

required

The alias of the environment to operate on (e.g. main).

Response

200 - application/json

Returns a single function variable, with the name the function code uses to reference it, whether it is an input or an output, and the ID of the function that declares it.

variable

object

required

Show child attributes

string

required

name

string

required

The name used to reference the variable in the function code.

type

object

required

Available options: input, output

createdAt

string

required

updatedAt

string

required

functionID

string

required

The ID of the function this variable belongs to.

description

string

required

A human-readable description of what the variable holds.

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Get variable

Authorizations

Path Parameters

Query Parameters

Response

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