Conversions API
Conversions API (CAPI) is designed to create a direct and more reliable connection between marketing data and Meta platforms. With the ability to pull data from your app, website, physical store, or messaging conversations, Conversions API puts all your data in one place.
Offering analytics that provide a full breakdown of your audience, Conversions API can help you make informed decisions about your marketing strategy that are based on real, concrete data.

Created to work with Meta’s messaging platforms, Conversions API helps your business fully utilize tools like Click to Messenger and Click to WhatsApp.
Prerequisites
You must be the page admin/owner. You can check your role here:
https://www.facebook.com/help/289207354498410?helpref=faq_content
Benefits of Conversions API
Improving Advertising Performance
Conversions API enables the linkage and feedback of conversions ad to Ads Manager. Having all your data in one place allows you to see trends among your customers the moment they emerge, and can put you at the forefront of new strategies in business messages.
Simplify Omnichannel Data Set-Up
Now you can leverage one unified integration to accurately share your marketing data across messaging channels and beyond. Conversions API can connect with them and bring that essential data into Events Manager for greater visibility and easier management across your integrations, no matter where your key touchpoints are.
Link Dataset for Conversions API
Video Tutorial: