curl --request GET \
  --url https://api.useanima.sh/v1/billing/usage \
  --header 'Authorization: Bearer <token>'

{
  "period": "<string>",
  "usage": {
    "message_sent": 1,
    "message_received": 1,
    "sms_sent": 1,
    "sms_received": 1,
    "call_minute": 1,
    "embedding_generated": 1
  }
}