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The /ct endpoint receives browser events sent by the Scanova Browser SDK. In most cases you do not call this endpoint directly — the SDK handles it. This page documents the request format for custom integrations or debugging. Base URL: https://t.scanova.io

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Endpoint

POST https://t.scanova.io/ct
No authentication header is required. Requests are validated by checking the Origin or Referer header against the site’s Allowed Domains list.

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Request

Headers: 
Content-Type: application/json
Origin: https://yoursite.com
Body: 
{
  "event_id": "f9ac7db6-f900-4d8e-8918-c846834195a8",
  "site_id": "YOUR_SITE_ID",
  "event_type": "cta_click",
  "scan_session_id": "7ad26d4f-3181-4ef8-b6ca-b8f59499dd43",
  "web_session_id": "2d0c328a-01d0-4010-85f4-f327130d1bd4",
  "visitor_id": "363fe851-7d8f-4090-902f-0f5a462829f5",
  "page_url": "https://yoursite.com/pricing",
  "referrer": "https://yoursite.com/",
  "timestamp": "2026-05-13T10:00:00.000Z",
  "device": {
    "user_agent": "Mozilla/5.0 ...",
    "screen_width": 1440,
    "screen_height": 900,
    "language": "en-US"
  },
  "metadata": {
    "button_text": "Start Free Trial",
    "section": "pricing"
  }
}

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Fields

FieldTypeRequiredDescription
site_idstringYesTracking site ID
event_typestringYesEvent name in snake_case
event_idUUID stringNoDeduplication ID. Auto-generated if omitted.
scan_session_idUUID stringNoQR scan attribution ID
web_session_idUUID stringNoBrowser session ID (30-min timeout)
visitor_idUUID stringNoPersistent visitor ID (1-year cookie)
page_urlstringNoCurrent page URL
referrerstringNoReferring URL
timestampISO 8601NoEvent time. Defaults to receipt time.
deviceobjectNoUser-agent, screen dimensions, language
metadataobjectNoCustom data. Max 10 KB, depth 5.
consentstringNogranted, denied, or pending

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Response

Success (200): 
{
  "event_id": "f9ac7db6-f900-4d8e-8918-c846834195a8"
}
Error responses:
StatusCause
400Missing required field or invalid site_id
403Request Origin/Referer not in the site’s Allowed Domains
413Payload exceeds size limit
422Field validation error
429Rate limit exceeded (100 requests/min per IP)

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CORS

The /ct endpoint supports CORS. Browser requests from allowed domains are permitted with: 
Access-Control-Allow-Origin: <origin>
Access-Control-Allow-Methods: POST, OPTIONS
Preflight (OPTIONS) requests return 204 with the appropriate CORS headers.

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Batch endpoint

To send multiple browser events in a single request: 
POST https://t.scanova.io/collect/batch
Request body wraps an array: 
{
  "events": [
    { "site_id": "...", "event_type": "pageview", ... },
    { "site_id": "...", "event_type": "scroll", "metadata": { "scroll_depth": 25 } }
  ]
}
Up to 100 events per batch request.