curl --request POST \
  --url https://prod-contactswing-fastapi-962560522883.us-central1.run.app/v2/_customers \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "phone": "<string>",
  "email": "<string>",
  "company_name": "<string>"
}
'

{
  "ctx_id": "<string>",
  "data": {
    "id": "<string>",
    "name": "<string>",
    "phone": "<string>"
  }
}