GA4 Event Tracker & Validator
Build, lint, debug, and export Google Analytics 4 (GA4) event schemas for gtag.js, GTM DataLayer, Next.js, and the Measurement Protocol REST API.
Event ConfigurationValid Schema
view_item.| Key Name | Type | Value | |
|---|---|---|---|
Schema Validation Results0 Errors • 0 Warnings
- Event name character length is within 40 characters limit.
- Parameter count is within limit (6/25 max).
// 1. Send via Google Tag (gtag.js)
gtag("event", "purchase", {
"transaction_id": "T_10248",
"value": 129.98,
"currency": "USD",
"tax": 9.99,
"shipping": 5,
"coupon": "SUMMER_2026",
"items": [
{
"item_id": "SKU_1001",
"item_name": "Pro Wireless ANC Headphones",
"price": 99.99,
"quantity": 1,
"item_brand": "AudioTech",
"item_category": "Electronics",
"item_category2": "Audio",
"item_variant": "Matte Black"
},
{
"item_id": "SKU_2002",
"item_name": "Braided USB-C Fast Cable",
"price": 29.99,
"quantity": 1,
"item_brand": "CableCraft",
"item_category": "Accessories",
"item_category2": "Cables"
}
]
});Measurement Protocol Live DebuggerEndpoint: /debug/mp/collect
Optionally enter your GA4 credentials to validate this exact event payload against Google's live validation server with zero tracking impact.
About this tool
Comprehensive documentation & audit utility guideGoogle Analytics 4 (GA4) uses an event-based measurement model where every interaction is captured as a distinct event with custom parameters and user properties. This studio provides full schema validation, e-commerce item structuring, and ready-to-use code generation across web, tag managers, and backend servers.
How it works
Select or Configure Event
Pick from standard E-commerce (purchase, add_to_cart) or Lead Gen presets, or define your own custom event name.
Tune Parameters & Items
Add key-value parameters and product item catalogs. The real-time linter verifies naming rules, length limits, and reserved keywords.
Export & Validate Code
Copy production-ready snippets for gtag.js, GTM DataLayer, Next.js, or send a test hit to the Measurement Protocol debug endpoint.