curl --request GET \
  --url https://octanist.com/api/leads/{id} \
  --header 'X-API-KEY: <api-key>'

{
  "success": true,
  "data": {
    "id": "lead_abc123",
    "name": "John Doe",
    "email": "john@example.com",
    "phone": "+1234567890",
    "status": "won",
    "value": 5000,
    "note": "Customer notes",
    "custom": "{\"company\":\"Acme Inc\"}",
    "lossReason": null,
    "conversionName": "Purchase",
    "source": "gtm",
    "website": "https://example.com",
    "path": "/pricing",
    "gclid": "abc123",
    "ga4cid": "GA1.1.123456789.1234567890",
    "ga4sid": "1234567890",
    "fbc": "fb.1.1234567890.abc123",
    "fbp": "fb.1.1234567890.987654321",
    "msclkid": "msclkid123",
    "ttclid": "ttclid123",
    "twclid": "twclid123",
    "rdt_cid": "rdtcid123",
    "sccid": "sccid123",
    "li_fat_id": "lifatid123",
    "utm_source": "google",
    "utm_medium": "cpc",
    "utm_campaign": "summer_sale",
    "ad_storage": true,
    "ad_user_data": true,
    "analytics_storage": true,
    "ad_personalization": true,
    "googleAdsCampaignId": "123456789",
    "googleAdsCampaignName": "Spring Sale 2026",
    "googleAdsAdGroupId": "987654321",
    "googleAdsAdGroupName": "Brand Keywords",
    "googleAdsAdId": "111222333",
    "labelId": "label_xyz",
    "selectedConversionEventId": "conv_123",
    "createdAt": "2026-01-15T10:30:00.000Z",
    "updatedAt": "2026-02-20T14:00:00.000Z",
    "qualifiedAt": "2026-01-18T09:00:00.000Z",
    "expiresAt": "2026-04-15T10:30:00.000Z"
  },
  "meta": {
    "requestId": "req_a1b2c3d4e5f6",
    "timestamp": "2026-03-10T12:00:00.000Z"
  }
}