Flow Monitor:
Real-time network integrity

Flow Monitor is specifically designed for high-stakes user journeys like car configurators, furniture- or bathroom configurators or personalized apparel flows. These complex elements often break quietly in the data funnel, leaving you blind to where users are actually dropping off.

We bridge that gap by providing visibility into the interactions that standard analytics miss.

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The easy & fast network integrity tool, trusted by 100+ clients worldwide
American Eagle Outfitters logo - a client using Code-Cube.io for marketing observability and tag monitoring.
AutoTrack logo - Leading Dutch automotive marketplace using Code-Cube.io for enterprise-scale marketing observability and tracking data integrity.
Groupe Chantelle logo (white) - Global lingerie leader and Code-Cube.io customer for multi-brand marketing observability.
Goboony official logo - Trusted partner using Code-Cube.io for automated tag monitoring and dataLayer validation across multiple markets.
New Balance logo (white) - Global athletic brand using Code-Cube.io to ensure accurate conversion tracking and performance marketing observability.
The North Face logo (white) - Global enterprise customer using Code-Cube.io for marketing observability and large-scale data collection monitoring.
Timberland logo - Global retail brand using Code-Cube.io to monitor e-commerce tracking and marketing data collection.

Why network-layer monitoring?

In modern web architectures, the dataLayer doesn’t always tell the whole story. Data can be corrupted during transmission, blocked by browsers, or sent via legacy systems that bypass the DOM entirely.

Flow Monitor captures the “handshake” between the user and your servers. It looks beyond what happens on the page (DOM) and monitors deep network requests (HTTP, XHR, WebSockets). It verifies if data reached the server, not just if a button was clicked.

Key capabilities

HTTP Status & Health Tracking
Monitor the vital signs of your outgoing data. Flow Monitor automatically alerts you to 404 Not Found, 500 Internal Server Error or 403 Forbidden responses that would otherwise go unnoticed by front-end trackers.

Header & metadata validation
Go beyond the payload. Verify that mandatory HTTP headers, such as content-type, cache-control and custom Auth tokens are present and correctly configured to ensure data security and compliance.

Payload inspection
Intercept the raw XHR and Fetch API requests. Validate that the JSON or Query String parameters being sent to your analytics end-points (like GA4 or Adobe) are perfectly formatted before they reach the server.

Flow Monitor provides a definitive source of truth for analytics, third-party pixels and API reliability. Ensure every packet reaches its destination with precision network-layer validation by Code-Cube.io.

How it works: the path of a request

Flow Monitor sits silently between the browser and the cloud, acting as a “gatekeeper” for every outgoing request.

  1. Interception: The moment a network request is triggered (via Fetch or XHR), Flow Monitor clones the request.
  2. Assertion: The system runs a battery of tests against the request URL, headers, and body.
  3. Validation: It listens for the server’s response code to ensure the “loop” is successfully closed.
  4. Reporting: If a request fails or a header is missing, a failure is logged instantly in your dashboard.

Use cases

  • Server-side tracking: Validate that server-side pings are firing with the correct authentication headers.
  • Ad-tech integrity: Ensure that third-party pixels (Meta, TikTok, Bing) are not just “present” on the page, but are actually successfully delivering data to their respective servers.
  • Legacy migrations: For older systems that don’t utilize a centralized Data Layer, Flow Monitor captures hard-coded tracking calls directly from the network stream.

Ready to secure your data stream?

Contact Us to Demo Flow Monitor