Burp Extender Interfaces

API Interfaces for Extender

All Burp Extender API interfaces contain the prefix I, such as IIntruderPayloadProcessor. The suffix after I represents the use case of the API interface. For example:

Interface Name	Description
IBurpExtender	All extensions must implement this interface
IHttpListener	Extensions can implement this interface and then call IBurpExtenderCallbacks.registerHttpListener() to register an HTTP listener.
IIntruderPayloadProcessor	Extensions can implement this interface and then call IBurpExtenderCallbacks.registerIntruderPayloadProcessor() to register a custom Intruder payload processor.
IParameter	This interface is used to hold details about an HTTP request parameter.
IProxyListener	Extensions can implement this interface and then call IBurpExtenderCallbacks.registerProxyListener() to register a Proxy listener.

The full list of interfaces can be found on Portswigger’s official website.