curl --request POST \
  --url https://api.closebot.com/botVariables/{botId}/{sourceId} \
  --header 'Content-Type: application/json' \
  --header 'X-CB-KEY: <api-key>' \
  --data '
[
  {
    "id": "<string>",
    "value": "<string>"
  }
]
'

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}