curl --request POST \
  --url https://sandbox.sturdytechnologies.com/v3/auth/token \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data grant_type=client_credentials \
  --data 'scope=card,us_account'

{
  "data": {
    "access_token": "<string>",
    "expires_in_seconds": 123,
    "scope": "card,us_account",
    "token_type": "<string>"
  },
  "message": "<string>",
  "success": true
}