Allow Jetpack to output Open Graph Meta Tags.
jetpack_enable_opengraph
jetpack_enable_opengraph-
filter -
filter jetpack_require_lib_dirFilter the location of the library directory.
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filter wpcom_json_api_user_is_member_of_blogFilter allowing non-registered users on the site to comment.
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filter rest_api_update_site_settingsFilters the settings to be updated on the site.
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action rest_api_delete_publicize_connectionFires when a Publicize connection is deleted.
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action rest_api_inserted_postFires when a post is created via the REST API.
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action jetpack_module_more_info_{$module_slug}This action is documented in class.jetpack-modules-list-table.php
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action jetpack_module_more_info_connected_{$module_slug}This action is documented in class.jetpack-modules-list-table.php
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filter wpcom_json_api_xmlrpc_schemeFilters the URL scheme used when querying your site’s REST API endpoint.
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action wpcom_json_api_objectsFires on each GET request to a specific endpoint.
Jetpack Developer Resources 