{
  "name": "C4M SMS API",
  "version": "1.0",
  "docs": "https://c4m.mg/dashboard/sms",
  "endpoints": {
    "send": "POST /api/sms/send",
    "balance": "GET /api/sms/balance",
    "plans": "GET /api/sms/plans",
    "campaigns": "GET /api/sms/campaigns"
  },
  "authentication": "Authorization: Bearer c4m_sms_<your-key>",
  "rate_limit": "60 requests per minute per API key"
}