curl --request POST \
  --url https://sandbox.killb.app/api/v2/accounts/bulk/upload \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form file='@example-file'

{
  "jobId": "<string>",
  "status": "PENDING",
  "message": "<string>"
}