curl --request POST \
  --url https://api.us1.bfl.ai/v1/delete_finetune \
  --header 'Content-Type: application/json' \
  --header 'x-key: <api-key>' \
  --data '{
  "finetune_id": "my-finetune"
}'

{
  "status": "<string>",
  "message": "<string>",
  "deleted_finetune_id": "<string>",
  "timestamp": "<string>"
}