Facebook Online Conversions (beta)

In 2021, Facebook released their Online Conversions API (known as CAPI) to help enable retailers and brands to truly understand the return on investment (ROI) of their advertising by linking their marketing metrics with their Facebook advertising metrics.

With Lexer, setting up this API is now easier than ever!

By entering the Pixel ID of your Facebook Business account into the Lexer Hub, you can send events to Facebook to help understand your conversion attribution.

Lets just pause here to note the difference between the Online (this article) and Offline versions of the API. The Offline version helps link physical sales to Facebook advertising (you can read about it here). The two versions are meant to be complementary.

Connecting your Facebook Business account

To start sending events to Facebook from within your Lexer Hub, you'll need your:

  • Facebook Business account name and ID, and
  • Facebook Pixel ID.

Start by connecting your Facebook Business account to the Lexer Hub:

  1. In the Manage > Integrations tab on the Lexer Hub, select Facebook Business.
  2. Click Integrate Facebook Ads.
  3. A popup will appear for you to login to Facebook. Enter your business account details.
  4. If login is successful your account should appear on the right.

Setting up your online conversion event set

Next, you can set up an online conversion using your Pixel ID.

To find out more about Facebook Pixel and where to find your Pixel ID, please see Facebook’s help article to create and install a Pixel here.

  1. Continuing with your integration set up, click New Online Event Set.
  2. Another sidebar will appear on the right. Specify:
    1. The activation name. This will be added under Facebook Business in the Engage > Activate tab, and
    2. Your Pixel ID.
  3. You may choose to send custom data fields to Facebook. If you wish to do this, please contact a member of the Lexer Success or Support teams ([email protected]).
  4. If you have customers who are California residents, check the box to Enable Limited Data Use (LDU) for CCPA Compliance.
    1. Please be aware that by not selecting Facebook’s LDU option, you are saying that none of your customers are California residents, and not subject to the Californian Consumer Privacy Act (CCPA). Failure to correctly identify California residents can result in prosecution under California law.
  5. Save the configuration.

Create activation

Once the event set has been created, you can create once-off or ongoing activations as usual in the Hub to push this data to Facebook.

  1. In the Lexer Hub, choose the Engage > Activate tab.
  2. Click New Activation on the left sidebar.
  3. Find Facebook Business, and then click the conversion event (same as the ‘Activation Name’ you have set above).
  4. Select Segments you wish to push (in this example, we chose Active Customers).
  5. In Settings on the right, define your activation as normal.

If you run into any issues, you can contact our Support team ([email protected]).

And that’s it! You’re ready to go with your Facebook Online Conversions.


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