curl -X GET "https://api.adrelay.dev/v1/billing/status" \
  -H "X-API-Key: $ADRELAY_API_KEY"

const response = await fetch("https://api.adrelay.dev/v1/billing/status", {
  headers: { "X-API-Key": process.env.ADRELAY_API_KEY },
});

const billing = await response.json();

import requests

response = requests.get(
    "https://api.adrelay.dev/v1/billing/status",
    headers={"X-API-Key": "your-api-key-here"},
)

billing = response.json()

{
  "plan": "pro",
  "status": "active",
  "current_period_start": "2026-03-01T00:00:00Z",
  "current_period_end": "2026-04-01T00:00:00Z",
  "usage": {
    "requests_used": 1250,
    "requests_limit": 10000
  }
}

{
  "error": "Invalid or missing API key.",
  "code": "UNAUTHORIZED",
  "timestamp": 1711036800,
  "request_id": "req_abc123"
}