curl --request POST \
  --url https://api.yourproducthere.ai/v1/digital-samples/{id}/variations/propose \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "userContext": "<string>",
  "variationCount": 123
}
'

{
  "code": "UNAUTHORIZED",
  "error": "Unauthorized"
}