curl --request POST \
  --url https://api.spikecare.com/public/v1/files/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/octet-stream' \
  --header 'provider-id: <provider-id>'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}