curl --request PATCH \
  --url https://api.promptlayer.com/prompt-labels/{prompt_label_id} \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <x-api-key>' \
  --data '{
  "prompt_version_number": 123
}'

{
  "created_at": "2023-11-07T05:31:56Z",
  "id": 123,
  "name": "<string>",
  "prompt_id": 123,
  "prompt_version_id": 123
}