Taking a look at the Wordpress ActivityPub Roadmap, at the very end I see this:
> Client-to-Server API (exploration)
> At this stage, we’re exploring and evaluating this based on community interest and potential use cases.
Client to Server API for ActivityPub is not widely utilized (or at all?) so this would be of great benefit to all fediverse platforms.
SHOW YOUR COMMUNITY INTEREST!!! @activitypub.blogActivityPub for WordPress
https://activitypub.blog/2025/06/11/our-2025-roadmap-building-the-future-of-wordpress-federation/

Our 2025 Roadmap: Building the Future of WordPress Federation
We’re excited to share this roadmap — there’s a lot happening with the ActivityPub plugin, and we can’t wait to show you what’s coming next. We often refer to this roadmap in GitHub issues and disc…
activitypub.blog · ActivityPub for WordPress
Link author: ActivityPub for WordPress@activitypub.blog@activitypub.blog