List properties

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

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

import requests

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

{
  "properties": [
    {
      "id": "<string>",
      "name": "<string>",
      "default": true,
      "type": "boolean",
      "projectID": "<string>",
      "createdAt": "2026-09-10T00:00:00.000Z",
      "updatedAt": "2026-09-10T00:00:00.000Z"
    }
  ]
}

List properties

Returns every transcript property in the project. A transcript property is a label you define once and then set on individual conversations. The call takes no paging parameters, so one request yields the whole set.

GET

/v1/stable/transcript-property

List properties

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

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

import requests

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

{
  "properties": [
    {
      "id": "<string>",
      "name": "<string>",
      "default": true,
      "type": "boolean",
      "projectID": "<string>",
      "createdAt": "2026-09-10T00:00:00.000Z",
      "updatedAt": "2026-09-10T00:00:00.000Z"
    }
  ]
}

Authorizations

Authorization

string

header

required

Voiceflow bearer token

Query Parameters

projectID

string

required

The ID of the project to operate on.

Response

200 - application/json

Returns every transcript property defined on the project, each with its name, the type of value it holds, and whether it is built in. Built-in properties cannot be updated, deleted, or have a value set.

properties

object[]

required

Show child attributes

string

required

name

string

required

default

boolean

required

Whether this is a built-in property, which cannot be updated, deleted or have its value set.

type

enum<string>

required

The type of value the property holds.

Available options: boolean, number, string

projectID

string

required

The ID of the project the property belongs to.

createdAt

string

required

updatedAt

string

required

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List properties

Authorizations

Query Parameters

Response

Getting started

Running agents

Build

Manage

Publishing

Observe

Insights

QA

Analytics

Webhooks