Hooks

activitypub-json.php

• activitypub_json_post Fires after an ActivityPub object is generated and sent to the client.
• activitypub_json_pre Fires before an ActivityPub object is generated and sent to the client.

class-activitypub.php

• activitypub_after_register_post_type Fires after ActivityPub custom post types have been registered.
• activitypub_preview_template Filter the template used for the ActivityPub preview.

class-actors-controller.php

• activitypub_rest_users_pre Action triggered prior to the ActivityPub profile being created and sent to the client.

class-actors-inbox-controller.php

• activitypub_inbox_post Fires after the ActivityPub inbox has been created and sent to the client.
• activitypub_rest_inbox_array Filters the ActivityPub inbox data before it is sent to the client.
• activitypub_rest_inbox_pre Fires before the ActivityPub inbox is created and sent to the client.

class-actors.php

• activitypub_pre_get_by_username Filter the username before we do anything else.

class-announce.php

• activitypub_handled_announce Fires after an Announce has been saved.
• activitypub_inbox ActivityPub inbox action.

class-base.php

• activitypub_attachment Filter the attachment for a post.
• activitypub_extract_mentions Filter the mentions in the post content.
• activitypub_get_image Filter the image URL returned for each post.
• activitypub_get_image_post Hook into the image retrieval process. After image retrieval.
• activitypub_get_image_pre Hook into the image retrieval process. Before image retrieval.
• activitypub_image_src Filter the image source URL.
• activitypub_locale Filter the locale of the post.
• activitypub_transform_set Filter the value before it is set to the Activity-Object $activity_object.

class-blog.php

• activitypub_construct_model_actor Fires when a model actor is constructed.
• activitypub_default_blog_username Filters the default blog username.

class-comment.php

• activitypub_comment_attachment_ids Filter the attachment IDs for a comment.
• activitypub_comment_attachments Filter the attachments for a comment.
• activitypub_comment_reply_link Filters the HTML markup for the ActivityPub remote comment reply container.
• activitypub_max_image_attachments Filters the maximum number of media attachments allowed in a post.
• activitypub_the_content Filters the post content after it was transformed for ActivityPub.

class-create.php

• activitypub_handled_create Fires after a Create activity has been handled.
• activitypub_inbox_update Fires when a Create activity is received for an existing comment.

class-dispatcher.php

• activitypub_additional_inboxes Filters the list of inboxes to send the Activity to.
• activitypub_outbox_processing_batch_complete Fires when the batch of followers is complete.
• activitypub_outbox_processing_complete Fires when the followers are complete.
• activitypub_pre_send_to_inboxes Fires before sending an Activity to inboxes.
• activitypub_send_activity
• activitypub_send_activity_to_followers Filters whether to send an Activity to followers.
• activitypub_sent_to_inbox Fires after an Activity has been sent to an inbox.

class-extra-fields.php

• activitypub_actor_extra_fields_limit Filters the number of extra fields to retrieve for an ActivityPub actor.
• activitypub_extra_field_content Filters the content of an extra field.
• activitypub_get_actor_extra_fields Filters the extra fields for an ActivityPub actor.

class-factory.php

• activitypub_transformer Filter the transformer for a given object.

class-follow.php

• activitypub_followers_post_follow Fires after a new follower has been added.

class-followers-controller.php

• activitypub_rest_followers_pre Action triggered prior to the ActivityPub profile being created and sent to the client.

class-followers.php

• activitypub_followers_pre_remove_follower Fires before a Follower is removed.

class-following-controller.php

• activitypub_rest_following_pre Action triggered prior to the ActivityPub profile being created and sent to the client.

class-generic-object.php

• activitypub_activity_object_array Filter the array of the ActivityPub object.
• activitypub_json_encode_options Options to be passed to json_encode().

class-handler.php

• activitypub_register_handlers Register additional handlers.

class-http.php

• activitypub_pre_http_get Fires before an HTTP GET request is made.
• activitypub_pre_http_get_remote_object Filters the preemptive return value of a remote object request.
• activitypub_pre_http_is_tombstone Fires before checking if the URL is a tombstone.
• activitypub_pre_http_post Fires before an HTTP POST request is made.
• activitypub_remote_get_timeout Filters the timeout duration for remote GET requests in ActivityPub.
• activitypub_safe_remote_get_response Action to save the response of the remote GET request.
• activitypub_safe_remote_post_response Action to save the response of the remote POST request.

class-inbox-controller.php

• activitypub_inbox_ ActivityPub inbox action for specific activity types.
• activitypub_rest_inbox_disallowed ActivityPub inbox disallowed activity.
• activitypub_validate_object Filter the ActivityPub object validation.

class-interaction-controller.php

• activitypub_interactions_follow_url Filters the URL used for following an ActivityPub actor.
• activitypub_interactions_reply_url Filters the URL used for replying to an ActivityPub object.
• activitypub_interactions_url Filters the redirect URL.

class-like.php

• activitypub_handled_like Fires after a Like has been handled.

class-link.php

• activitypub_link_rel Filters the rel attribute for ActivityPub links.

class-mastodon.php

• activitypub_import_mastodon_post_data Filter the post data before inserting it into the database.

class-migration.php

• activitypub_migrate Fires when the system has to be migrated.

class-moderators-controller.php

• activitypub_rest_moderators Filter the list of moderators.

class-move.php

• activitypub_enable_primary_domain_moves Filter to enable automatically moving Fediverse accounts when the domain changes.

class-nodeinfo-controller.php

• activitypub_rest_nodeinfo_pre Fires before the NodeInfo data is created and sent to the client.

class-notification.php

• activitypub_notification Action to send ActivityPub notifications.

class-outbox-controller.php

• activitypub_rest_outbox_array Filter the ActivityPub outbox array.
• activitypub_rest_outbox_item_error Action triggered when an outbox item is not a WP_Post.
• activitypub_rest_outbox_post Action triggered after the ActivityPub profile has been created and sent to the client.
• activitypub_rest_outbox_pre Action triggered prior to the ActivityPub profile being created and sent to the client.
• activitypub_rest_outbox_query Filters WP_Query arguments when querying Outbox items via the REST API.
• rest_activitypub_outbox_activity_types Filters the list of activity types to include in the outbox.

class-outbox.php

• activitypub_get_outbox_activity Filters the Activity object before it is returned.

class-post.php

• activitypub_attachment_ids Filter the attachment IDs for a post.
• activitypub_attachments Filter the attachments for a post.
• activitypub_before_get_content Provides an action hook so plugins can add their own hooks/filters before AP content is generated.
• activitypub_object_content_template Filters the template used to generate ActivityPub object content.
• filter_media_by_object_type Filter the object type for media attachments.

class-query.php

• activitypub_is_activitypub_request Filters whether the current request is an ActivityPub request.
• activitypub_queried_object Filters the queried object.
• activitypub_should_negotiate_content Filters whether content negotiation should be forced.

class-scheduler.php

• activitypub_cleanup_remote_actors_number Filter the number of remote Actors to clean up.
• activitypub_register_schedulers Register additional schedulers.
• activitypub_update_remote_actors_number Filter the number of remote Actors to update.

class-screen-options.php

• activitypub_screen_options Filters Activitypub settings screen options.

class-server.php

• activitypub_defer_signature_verification Filter to defer signature verification.

class-settings.php

• activitypub_admin_settings_tabs Filters the tabs displayed in the ActivityPub settings.

class-surge.php

• activitypub_surge_cache_config_file Filter the config file path.

class-undo.php

• activitypub_handled_undo Fires after an "Undo" activity has been handled.

class-update.php

• activitypub_handled_update Fires after an Update activity has been handled.

class-webfinger-controller.php

• activitypub_rest_webfinger_pre Action triggered prior to the ActivityPub profile being created and sent to the client.

class-welcome-fields.php

• activitypub_onboarding_steps

following-list.php

• activitypub_post_follow_form Action to add custom content after the follow form.

functions.php

• activitypub_activity_object_types Filters the activity object types.
• activitypub_activity_types Filters the activity types.
• activitypub_actor_types Filters the actor types.
• activitypub_add_to_outbox_failed Action triggered when adding an object to the outbox fails.
• activitypub_content_visibility Filters the visibility of a post.
• activitypub_esc_hashtag Allow defining your own custom hashtag generation rules.
• activitypub_excerpt_more Filters the excerpt more value.
• activitypub_get_upload_baseurl Filters the upload base URL.
• activitypub_get_wp_object_state Allow plugins to get the federation state of a WordPress object.
• activitypub_is_blog_public Filter whether the blog is public.
• activitypub_is_post_disabled Allow plugins to disable posts for ActivityPub.
• activitypub_is_user_type_disabled Allow plugins to disable user types for ActivityPub.
• activitypub_json_context Filters the ActivityPub JSON-LD context.
• activitypub_mark_wp_object_as_federated Allow plugins to mark WordPress objects as federated.
• activitypub_post_type_description Allow plugins to get the description of a post type.
• activitypub_registered_comment_type Fires after a ActivityPub comment type is registered.
• activitypub_reply_intent_params Filters the reply intent parameters.
• activitypub_reply_intent_url Filters the reply intent URL.
• activitypub_site_supports_blocks Allow plugins to disable block editor support,
• activitypub_use_authorized_fetch Filters whether to use Authorized-Fetch.
• activitypub_user_can_activitypub Allow plugins to enable/disable users for ActivityPub.
• post_activitypub_add_to_outbox Action triggered after an object has been added to the outbox.
• pre_activitypub_get_upload_baseurl Early filter to allow plugins to set the upload base URL.
• pre_get_remote_metadata_by_actor Filters the metadata before it is retrieved from a remote actor.

new-dm.php

• activitypub_new_dm_email Fires at the bottom of the new direct message emails.

new-follower.php

• activitypub_new_follower_email Fires at the bottom of the new follower email.

new-mention.php

• activitypub_new_mention_email Fires at the bottom of the new mention emails.