The Conversions API is a tool that sends important conversion events – such as ticket sales, checkout steps, or event views – directly from our servers to Meta.
This means that they receive even more accurate information about which ads on Facebook and Instagram led to real actions.
Meta recommends using both the Pixel and the Conversions API for improved optimisation and measurement, and so that your ads are shown to people who are more likely to find them relevant, thanks to ad personalisation.
Note: You need to have Facebook Pixel before you can use the Conversions API
How to generate a Conversions API access token
Go to Facebook Events Manager
Sign in with the Facebook account that has admin access to the relevant Business Manager
Select your Pixel from the Data Sources list.
Click on Settings for that Pixel
Scroll to the Conversions API section and select Generate access token
Copy the token and store it securely. Meta doesn't store it, so saving it somewhere reliable is important.
Now head FIXR Organiser. In the Analytics section of your Account Settings, paste the Access Token into the relevant field.

