curl "https://api.nexalayer.net/v1/account/info" \
  -H "X-API-Key: ak_your_key"

curl -X POST "https://api.nexalayer.net/v1/account/request-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "email": "dev@example.com",
    "referral_code": "optional"
  }'

{
  "success": true,
  "data": {
    "status": "email_sent",
    "balance": 0,
    "backend_ready": true,
    "message": "If the email address is valid, the API key has been sent."
  }
}

Idempotency-Key: create-session-20260710-001