Most. Help

Guides

Help center for Most conversion automation and pixel activation.

Snapchat Attribution Window: The 28/1 Default and Tracker Discrepancies

Snap recommends and defaults to a 28-day click and 1-day view attribution window. What that - plus view-through credit and UTC reporting - means when Snap's numbers disagree with your tracker.

3 minSeptember 2026

Server Side Conversion Delivery: From MMP and Tracker to Meta and TikTok CAPI

A practical map of the app-install conversion chain: who generates the click ID, where postbacks carry it, what Meta CAPI and the TikTok Events API expect from every event, and where the chain usually breaks.

12 minSeptember 2026

Pinterest Enhanced Match Setup: Hashed Emails When the Cookie Is Gone

Enhanced match sends hashed email addresses from the browser so Pinterest can match site events when there is no Pinterest cookie - and it unlocks cross-device checkouts that cannot be tracked otherwise.

3 minSeptember 2026

Pinterest Conversions API Errors: Response Codes and Fixes

Pinterest documents three response families for the Conversions API - success, unexpected data, and authentication - plus the quality warnings that surface before anything hard-fails. The complete Pinterest Conversions API errors picture.

4 minSeptember 2026

Meta CAPI Error Codes: Complete Troubleshooting Guide

The Meta Conversions API returns terse error responses. This guide maps the codes you will meet in production to their official fixes.

10 minSeptember 2026

Meta Attribution Window Change 2026: Why Conversions Dropped and What to Fix

Your tracker still counts the same conversions, but Meta reports fewer. The January 2026 attribution window change explains the gap - here is the full picture.

7 minSeptember 2026

fbclid ttclid: Keeping Click IDs Alive Through Your Funnel

One rewritten URL and your Meta or TikTok conversions stop attributing. The official mechanics of fbclid and ttclid, and a preservation checklist.

7 minSeptember 2026

Keitaro Reddit Integration: Tracker Postbacks Into the Conversions API

Keitaro records the conversion; Reddit's Conversions API needs it in a specific shape. The Keitaro Reddit wiring: custom traffic source, rdt_cid capture, S2S postback, and the delivery layer that formats the v3 payload.

4 minSeptember 2026

Keitaro ChatGPT Ads Integration: oppref Capture, Postbacks, and the CAPI Gap

Keitaro has no ChatGPT Ads preset yet - here is the manual traffic source setup, oppref capture, and the postback-to-CAPI bridge that closes the loop.

6 minSeptember 2026

Facebook Pixel Audit Checklist: Diagnosing Tracking Problems

Seven-step checklist to verify Pixel base code, standard events, deduplication, Event Match Quality, diagnostics, iOS measurement (AEM), and Conversions API health.

9 minSeptember 2026

Facebook Aggregated Event Measurement: What Still Applies in 2026

Meta removed the AEM configuration workflow: no 8-event prioritization, no AEM tab in Events Manager, no domain verification for event configuration. What the protocol still does for iOS 14.5+ measurement, and how Conversions API events are processed under it.

7 minSeptember 2026

ChatGPT Ads Standard Events: The Full List and When to Use Each

ChatGPT Ads measurement runs on 12 standard events plus custom. Here is the full taxonomy, the data shapes behind it, and how Meta events map onto it.

6 minSeptember 2026

ChatGPT Ads Manager Setup: Campaigns, Budgets, and Targeting

ChatGPT Ads Manager is OpenAI's self-serve platform for running campaigns in ChatGPT. Here is the full setup path from account creation to a serving campaign.

8 minSeptember 2026

Send Meta Conversions API events with Pixel Activator

Run a first Meta Conversions API test in Pixel Activator without a website: confirm the dataset, protect the access token, send one mapped event with a test code, and check the result in Events Manager before a tracker begins recurring delivery.

5 minSeptember 2026

TikTok Events API Server-Side GTM: Setup Guide

Step-by-step TikTok Events API server-side GTM integration through your own Google Tag Manager server container, covering tokens, tags, deduplication, and testing.

9 minSeptember 2026

MMP vs Affiliate Tracker: Key Differences, Overlaps, and When You Need Both

A practical breakdown of MMPs, affiliate trackers, postbacks, CAPI delivery, and the stack media buyers need for app-install and web campaigns.

10 minAugust 2026

Meta CAPI Batching and Rate Limits: The Delivery Rules

The Conversions API accepts several events in one request - and one bad event can fail the whole batch. This guide covers the documented batching structure, the acceptance rules that decide whether a request survives, what a rejected batch means for retry logic, and the delivery discipline that keeps a busy funnel inside the platform's limits without guessing at undocumented numbers.

6 minSeptember 2026

Meta Domain Verification: What It Proves and What It Enables

Domain verification is Meta's way of checking that you actually control the domain your campaigns point at - and it decides who may edit how your links appear. This guide covers what verification proves, the two documented methods, the link-editing control it unlocks, and an honest note on where the old AEM event priorities stand today.

5 minSeptember 2026

RedTrack Conversions API: One Conversion, Several Platforms

One click, several ad platforms that deserve to hear about its conversion. RedTrack's CAPI integrations make that a configuration job rather than a coding one: the clickid token matches conversions through S2S postbacks, and each platform integration maps those conversions into its own events. This guide walks the multi-platform setup with the documented fields, matching rules, and dedup pitfalls.

6 minSeptember 2026

Bot Traffic Filtering Before It Reaches Your Pixel

A bot that converts into a lead poisons three systems at once: the tracker's reports, the network's approve rate, and the platform's optimization. This guide wires bot traffic filtering before the Conversions API hop - what to filter at the tracker, how the filtered labels flow into your event policy, and how to prove the stream stays clean.

6 minSeptember 2026

Tracking Stack: MMP + Tracker + CAPI for App-Install Campaigns

A practical assembly guide for an app-install tracking stack: which layer measures installs, which one keeps your ROI reporting, how an event ID travels from ad click to Meta CAPI and the TikTok Events API, and which checks prove the stack works before you scale spend.

12 minSeptember 2026

TikTok Events API Affiliate Trackers: Setup Guide

A practical guide to sending conversions from affiliate trackers to TikTok Events API: ttclid, user_data hashing, deduplication, attribution windows, testing, and troubleshooting.

13 minSeptember 2026

Snapchat Conversions API GTM: Server-Side Delivery Through sGTM

Server-side GTM has no native Snap tag - a custom template on sendHttpRequest posts the Snap payload, where the match key gate and client_dedup_id decide whether delivery works at all.

3 minSeptember 2026

Snapchat Conversion Events: Fields, Types, and Hashing Rules

Every Snapchat conversion event needs a match key before anything else is read. The full field map: user_data identifiers, the event type enum, sc_click_id, client_dedup_id, and custom_data.

3 minSeptember 2026