curl --request GET \
  --url https://api-partner.houdiniswap.com/v2/rateLimits \
  --header 'Authorization: <api-key>'

{
  "monthlyRequestCount": 123,
  "quote": {
    "perDay": 123,
    "perHour": 123,
    "perMinute": 123
  },
  "exchange": {
    "perDay": 123,
    "perHour": 123,
    "perMinute": 123
  }
}