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

{
  "period": {},
  "total_requests": 123,
  "successful": 123,
  "failed": 123,
  "by_api": {},
  "rate_limit_hits": 123,
  "estimated_cost": {}
}