curl --request POST \
  --url https://api.ontora.com/v1/projects/{project_id}/data/upload \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'file=<string>' \
  --form 'source_name=<string>' \
  --form 'metadata=<string>'

{
  "input_id": "<string>",
  "input_type": "<string>",
  "size_bytes": 123,
  "source_name": "<string>",
  "detected_format": "<string>",
  "preview": {},
  "status": "pending",
  "created_at": "2023-11-07T05:31:56Z"
}