curl --request POST \
  --url https://realtime-api.voiceflow.com/v1/stable/analytics/query/call-duration/project/<projectID> \
  --header 'Authorization: Bearer <token>'
  --header 'Content-Type: application/json' \
  --data '{
  "endDate": "<string>",
  "startDate": "<string>",
  "timezone": "<string>",
  "interval": "hour",
  "version": "draft",
  "environmentAlias": "<string>"
}'

const response = await fetch('https://realtime-api.voiceflow.com/v1/stable/analytics/query/call-duration/project/<projectID>', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "endDate": "<string>",
    "startDate": "<string>",
    "timezone": "<string>",
    "interval": "hour",
    "version": "draft",
    "environmentAlias": "<string>"
  }),
});
const data = await response.json();

import requests

response = requests.post(
    'https://realtime-api.voiceflow.com/v1/stable/analytics/query/call-duration/project/<projectID>',
    headers={'Authorization': 'Bearer <token>'},
    json={
      "endDate": "<string>",
      "startDate": "<string>",
      "timezone": "<string>",
      "interval": "hour",
      "version": "draft",
      "environmentAlias": "<string>"
    },
)
data = response.json()

vf analytics query call-duration --project-id <projectID> \
  < body.json