额度余额

curl https://api.xroute.ai/apis/v1/account/balance \
  -H "Authorization: Bearer $XROUTE_API_KEY"

{
  "available_credits_usd": 142.85,
  "key_spend_limit_usd": 500.00,
  "key_spent_usd": 57.15,
  "currency": "USD"
}