jetpack_search_terms_{$module}Filter the search terms for a module Search terms are typically added to the module headers, under “Additional Search Queries”. Use syntax: function jetpack_$module_search_terms( $terms ) { $terms = _x( ‘term 1, term 2’, ‘search terms’, ‘jetpack’ ); return $terms; } add_filter( ‘jetpack_search_terms_$module’, ‘jetpack_$module_search_terms’ );
jetpack_long_module_descriptionFilter the long description of a module.
jetpack_module_more_info_{$module}Allow the display of information text when Jetpack is connected to WordPress.com. The dynamic part of the action, $module, is the module slug.
jetpack_module_more_info_connected_{$module}Allow the display of information text when Jetpack is connected to WordPress.com.The dynamic part of the action, $module, is the module slug.
jetpack_learn_more_button_{$module}Allow the display of a “Learn More” button. The dynamic part of the action, $module, is the module slug.
jetpack_xmlrpc_unauthenticated_methodsFilters the XML-RPC methods available to Jetpack for requests signed both with a blog token or a user token.
jetpack_xmlrpc_methodsFilters the XML-RPC methods available to Jetpack for authenticated users.
photon_validate_image_urlOverwrite the results of the validation steps an image goes through before to be considered valid to be used by Photon.
jetpack_photon_reject_httpsAllow Photon to fetch images that are served via HTTPS.
jetpack_photon_image_downsize_arrayFilter the Photon Arguments added to an image when going through Photon, when the image size is an array of height and width values.
Jetpack Developer Resources 