If your business has a firewall for outbound requests, see Crawler IPs and User Agents to get Facebook's IP addresses. Be aware that the list of addresses changes often.
Before implementing Conversions API, make sure you have the Facebook pixel correctly implemented in your website. We recommend that you use the same pixel for your browser and server events.
You also need a Business Manager to use the API. Business Manager helps advertisers integrate Facebook marketing efforts across their business and with external partners. If you don't have a Business Manager yet, see the Help Center article on how to Create a Business Manager.
To use the Conversions API, you need an access token. There are two ways of getting your access token:
To use the Conversions API, you need to generate an access token, which is passed as a parameter in each API call. Inside Events Manager, follow these steps:
Once you have your token, Events Manager gives you access to a new tab called Implementation.
Navigate to the Implementation tab and follow the instructions displayed in the screen. This way, we automatically create a Conversions API App and Conversions API System User for you. There is no need to go through app review or request any permissions.
Your app does not need to go through app review. You do not need to request any permissions.
If you are a third-party partner offering conversions API functionalities for advertisers:
ads_readpermission during app review.
Learn more about offering Conversions API As A Platform.