curl --request POST \
  --url https://eu.phrase.com/connectors/files/v1/async/upload-file \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "file": "<string>"
}
'

{
  "uid": "DRZMMKMO0jOZvqnCD6rOI3",
  "expiration": "DAY",
  "origin": "bifrost",
  "sha256": "a80657bc2c3cd671207f239851ca2147c6fc93b813d8e53fcde66778ab618d4a",
  "size": 47,
  "customer": {
    "organization": "bifrost",
    "user": "bifrost"
  }
}