curl --request GET \
  --url https://api.typecast.ai/v1/users/me/subscription \
  --header 'X-API-KEY: <api-key>'

{
  "plan": "lite",
  "credits": {
    "plan_credits": 200000,
    "used_credits": 157300
  },
  "limits": {
    "concurrency_limit": 5
  }
}