curl --location --request POST 'https://api.openai.com/v1/fine_tuning/jobs//cancel' \
--header 'Authorization: Bearer <token>'{
  "object": "fine_tuning.job",
  "id": "ftjob-abc123",
  "model": "gpt-4o-mini-2024-07-18",
  "created_at": 1721764800,
  "fine_tuned_model": null,
  "organization_id": "org-123",
  "result_files": [],
  "hyperparameters": {
    "n_epochs":  "auto"
  },
  "status": "cancelled",
  "validation_file": "file-abc123",
  "training_file": "file-abc123"
}