> ## Documentation Index
> Fetch the complete documentation index at: https://meta-preview.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Payload Helper

> Use the Payload Helper to generate event payloads for the Conversions API.

Fill out the required and recommended data parameter fields to see how your payload should be structured when it's sent to Facebook from your server.

Web, app, and physical store events shared using the Conversions API require specific parameters. The list of [required parameters is available here](/docs/marketing-api/conversions-api/parameters).

![](https://www.facebook.com/tr?id=675141479195042\&ev=PageView\&noscript=1)![](https://www.facebook.com/tr?id=574561515946252\&ev=PageView\&noscript=1)![](https://www.facebook.com/tr?id=1754628768090156\&ev=PageView\&noscript=1)![](https://www.facebook.com/tr?id=217404712025032\&ev=PageView\&noscript=1)