Meta has added a new way to optimize ad campaign performance, which shares profit data with the platform using the Meta Conversions API. At the moment, the feature is in closed beta.
In this article, we will explain in detail how it works and why Profit on Ad Spend (POAS) is a more precise way to estimate ad performance. Also, we will show how to configure profit-based optimization using Stape's Facebook Conversions API tag for server GTM.
The primary trend of the past years is using first-party data from CRMs and implementing AI into advertising workflows for ad optimization. For example, Google introduced the Data Manager API, which allows advertisers to create a Customer Match List in Google Ads (first-party data from CMS or CRM used for Smart Bidding and optimized targeting). This data serves to fuel AI and optimize campaign performance.
Meta Ads also tests the new features that require first-party data and use AI for campaign optimization.

Meta is currently testing campaign optimization based on profit margins - a feature that allows advertisers to share profit data from sales using the Meta Conversions API. This lets the Meta platform optimize for POAS using actual profit rather than just purchase value. This first-party data is combined with Meta's AI-powered ads system to maximize campaign profitability.
Previously, campaigns could be optimized either for the total number of conversions or for the value of events. However, these approaches are not one-size-fits-all solutions. For example, conversion value does not account for post-purchase factors such as product returns. Meta Ads algorithm prioritizes sales that bring more money; it doesn't take into account the product's profitability. It can prioritize a $100 sale over two $30 sales, even if the $30 products have a higher profit margin.
Profit margin optimizes for Profit on Ad Spend (POAS). Unlike Return on Ad Spend (ROAS), which is used for a value optimization method, POAS provides a more accurate tracking of advertising performance, as it reflects actual profit by taking into account additional costs (e.g., returns, taxes).
| Accurate Meta campaign performance tracking is crucial for effective optimization. Check our guide on Facebook tracking for available tracking options, privacy compliance tips, and advanced practices. |
Using a profit margin-based approach for Meta Ads has the following benefits:

Profit-based is a good approach to campaign performance estimation for any kind of enterprise, and it is especially helpful for the following business models:
| You can set up accurate profit-based analytics in Google Ads and GA4 as well. For a detailed guide on the configuration process, please check our blog post on configuring Profit on Ad Spend. |
To configure this setup, you will need the following:
Please note:
1.1 Log in to Facebook Ads Manager. In the campaigns section, click Create. As a campaign objective, select Sales.

1.2 As campaign setup, select Advantage + shopping campaign. This campaign setup type is simplified and uses AI to reach the audience; it is a common configuration type that fits most of the campaigns.

1.3 Configure the sales campaign according to your needs. The key points that you should pay attention to are:
Once the campaign is configured, click Publish campaign.

Stape's Facebook Conversions API tag has been updated with the functionality that allows for supplementing the original event that happened in Meta with data on profitability. If you need to set up the Meta CAPI tag from scratch, please refer to our configuration guide.
2.1 As the event name setup method, select Override and from the list of standard events select AppendValue.

2.2 Configure the section Original Event Data Override.
Use the parameters from the droplist to locate the Original Event that occurred on Meta's side. You can find out more about the parameters you can override in Meta's documentation on original event data parameters.
Next, apply the AppendValue event along with the other sections to add more details to the Original Event.

Meta's testing of profit margin optimization takes into account Profit on Ad Spend (POAS) as a more precise alternative to ROAS. Businesses with varying profit margins, subscription-based models, or high operating costs will benefit the most. The feature is still in beta. Its configuration can be done using Stape's Facebook Conversions API tag for the server GTM container.
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