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Analytics & Tracking case study

Reddit Pixel & CAPI Setup Using GTM & Stape

For a U.S. tractor-tools store, I added the Reddit Conversions API on top of the Reddit Pixel. Every page visit, add to cart and purchase now reaches Reddit from both the browser and a server, with every event rated Healthy.

Client
TractorReliefTool
Industry
E-commerce
Location
USA
Category
Analytics & Tracking
35
Purchases sent
24 pixel + 11 CAPI
Healthy
Event status
all 3 core events
2
Data sources
Pixel + Conversions API
100%
IP & user agent
coverage, quality Good

Context

The Reddit Pixel alone misses part of your sales

Reddit's audience skews tech-savvy, and many use ad blockers or privacy-focused browsers. When the pixel is blocked, the purchase never reaches Reddit, so campaigns under-report sales and optimize on an incomplete picture.

  • A server copy of every event

    The Conversions API sends each purchase from the server, so it still reaches Reddit when the browser blocks the pixel.

  • Better match signals

    Instead of cookies and browser data only, IP address and user agent are sent on 100% of CAPI events, rated Good.

  • Merged, not doubled

    Matching conversion IDs let Reddit merge the browser and server copies, and every core event shows Healthy instead of gaps and warnings.

Method

How the setup works

  1. 1

    Reddit Pixel

    Page visit, add to cart and purchase tags in the web container.

  2. 2

    Server feed

    The same events forwarded to a server-side GTM container.

  3. 3

    Conversions API

    Reddit CAPI tags send each event with IP and user agent.

  4. 4

    Deduplicated

    Matching conversion IDs so Reddit keeps one copy per event.

Proof

Two sources, every event Healthy

Reddit Ads Events Manager, TractorReliefTool: raw events by source (Pixel, CAPI)
Reddit Ads Events Manager, TractorReliefTool: raw events by source (Pixel, CAPI)
Reddit Ads Events Manager: CAPI match quality (IP address and user agent 100% coverage, conversion ID 64%)
Reddit Ads Events Manager: CAPI match quality (IP address and user agent 100% coverage, conversion ID 64%)
Server-side GTM, TractorReliefTool: Reddit CAPI tags beside Meta Conversions API, GA4 and Google Ads Enhanced Conversions
Server-side GTM, TractorReliefTool: Reddit CAPI tags beside Meta Conversions API, GA4 and Google Ads Enhanced Conversions
Web GTM, TractorReliefTool: Reddit Pixel tags beside GA4 server-side and Google Ads dynamic remarketing
Web GTM, TractorReliefTool: Reddit Pixel tags beside GA4 server-side and Google Ads dynamic remarketing

Case study · TractorReliefTool

TractorReliefTool: Reddit Pixel + Conversions API

Location
USA
Campaign / setup
Pixel + CAPI, sGTM
Purchases
35
24 pixel + 11 CAPI
Add to carts
68
46 pixel + 22 CAPI
Page visits
196
103 pixel + 93 CAPI
IP & user agent
100%
on CAPI events
Reddit Ads Events Manager, TractorReliefTool: raw events split by Pixel and CAPI, with match quality on the right
Reddit Ads Events Manager, TractorReliefTool: raw events split by Pixel and CAPI, with match quality on the right

The goal

A U.S. store selling hydraulic tools for tractors was already tracking Reddit with the browser pixel. It wanted Reddit to receive purchases even when the pixel was blocked, as part of one server-side setup feeding all its ad platforms.

What I did

  • Kept the Reddit Pixel tags for page visit, add to cart and purchase in the web container.
  • Built Reddit Conversions API tags for the same three events in the server-side container.
  • Matched conversion IDs between pixel and CAPI for deduplication.
  • Checked every event in Reddit's Events Manager until all showed Healthy.

Result

All three core events, page visit, add to cart and purchase, are Healthy and arrive from both the Reddit Pixel and the Conversions API, with IP and user agent sent on 100% of server events.

Next step I recommended

Raise conversion ID coverage above today's 64% and add hashed email: that lifts Reddit's match quality rating from “Okay” and gives Reddit more sales to learn from.

Scope of work

  • Reddit Pixel installed via Google Tag Manager
  • Reddit Conversions API (server-side)
  • Server-side GTM on Stape
  • Page visit, add to cart and purchase
  • IP, user agent and conversion ID for matching
  • Conversion ID deduplication
  • Verification in Reddit Events Manager

Tools and platforms

  • Reddit Ads Manager
  • Reddit Pixel
  • Reddit Conversions API
  • Reddit Events Manager
  • Google Tag Manager
  • Server-side GTM
  • Stape
  • Shopify
  • GA4
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