curl --request GET \
  --url https://api.txcloud.io/v1/developers/limits \
  --header 'Authorization: Bearer <token>'

{
  "plan": "<string>",
  "limits": {
    "requests_per_minute": 123,
    "requests_per_day": 123,
    "concurrent_requests": 123
  },
  "current_usage": {},
  "by_endpoint": {}
}