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The Meta pixel is how Bidder knows an ad actually made money — it reports page views and conversions (purchases, trial starts) back to Meta, and Bidder optimizes on exactly those events.
If your ads land on Kitty funnels, stop here — you’re done. The pixel is wired into funnels automatically when they’re published — see What’s tracked by default for exactly which events fire. This guide is only for traffic that lands on your own website.

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The one rule

The pixel installed on your site must be the same pixel Bidder’s ad account uses as its default (Bidder tells you the ID during setup — it looks like a 15-digit number). A different pixel, or no pixel, means Bidder optimizes on silence: ads still run, but Meta can’t see who converts, and performance decays fast.

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Install it

1

Open Events Manager

Go to facebook.com/events_manager2 and select your pixel under Data sources. (Meta now calls the container a dataset — the dataset ID is your pixel ID.)
2

Choose an install method

Under the pixel’s settings, pick Connect data → Web, then either:
  • Partner integration — Shopify, WordPress, Wix, Squarespace, Google Tag Manager and most site builders have one-click integrations. Use this when available.
  • Manual install — copy the base-code snippet into your site’s <head> on every page.
Connect data source — Web

Events Manager → Connect a new data source → Web.

Install base code step

Manual install: copy the base code and paste it before on every page.

3

Add conversion events

Page views alone aren’t enough — Bidder optimizes on a conversion event (Purchase or StartTrial, whichever was chosen during setup). Partner integrations usually map these automatically; with a manual install, fire the event on your purchase/trial confirmation step.
4

Verify events fire

In Events Manager, open the Test events tab, enter your site URL, and complete a test conversion. You should see the event appear within seconds. The Meta Pixel Helper browser extension is also handy for spot checks.
Test events tab

The Test events tab — events from your site appear here within seconds.

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After installing

Tell Bidder it’s done — it will confirm the account is wired end-to-end. Until real conversions flow, expect Meta to spend a learning-phase period exploring; that’s normal.