S2S Meaning: A Complete Guide to Postback Integration for Advertisers

In performance marketing, S2S tracking (Server-to-Server tracking) is the most accurate method for conversion tracking. Whether you’re an affiliate marketer, ad network, or advertiser, understanding S2S postback integration is essential for optimizing campaigns and improving attribution.

What is S2S Tracking?

S2S tracking (server-to-server tracking) records conversions by passing data directly between servers, without relying on browser cookies or pixels. This ensures greater accuracy, security, and compliance with data privacy regulations.

Benefits of S2S Tracking

• More Accurate – Works even if users block cookies or switch devices.

• Faster Data Processing – No reliance on browser-based tracking.

• Privacy-Friendly – Compliant with GDPR, CCPA, and iOS privacy updates.

• Essential for Mobile & In-App Ads – Since mobile browsers limit cookie tracking.

How S2S Postback Tracking Works

1. User Clicks an Ad – A unique Click ID is generated and passed to the advertiser.

2. User Lands on the Offer Page – The Click ID is stored until the user completes a conversion.

3. Conversion Occurs – The advertiser’s system records the event (purchase, signup, install).

4. Postback URL Sends Data – The advertiser’s server sends a request to the tracking system, confirming the conversion.

How to Integrate an S2S Postback with EZmob

Step 1: Get Your Postback URL

Your ad network (EZmob) provides a unique postback URL with a placeholder for the Click ID.

Step 2: Pass Click ID in Your Traffic Source

Ensure your traffic source stores and forwards the Click ID parameter when users click an ad.

Step 3: Configure Postback in Your Tracking Platform

Inside your affiliate network or tracking software, set up the postback URL to receive conversion data.

Step 4: Test and Verify

Run test conversions to confirm the Click ID is tracked and matched correctly.

Popular Affiliate Tracking Tools That Support S2S Integration

• Trackier – A leading performance marketing tracker.

• Affilitest – For testing and verifying tracking setup.

• Skro Tracker – Advanced tracking and analytics.

Why Advertisers Should Use S2S Postbacks with EZmob

EZmob’s self-serve platform supports S2S postback tracking, ensuring seamless conversion tracking for push ads, pop traffic, and affiliate offers. By integrating server-to-server tracking, advertisers can optimize their campaigns for higher return on investment and better attribution accuracy.

Sign up with EZmob today to start tracking your conversions more effectively.