Protect your Content

Know which AI companies are reading your articles.
Log silently, block anonymous bots, or charge them with USDC on Base.

01

Install the WordPress plugin

Get the free open-source plugin from GitHub and activate it on your WordPress site. No coding required.

02

Configure per-article

Five modes per article: Disabled, Registry log (track verified agents), Registry block (require Apeiron Registry ID), AI Only (USDC paywall for bots), Full (USDC paywall for everyone).

03

Get notified

Email notification on first access from each verified AI company (with company name + purpose), plus a weekly digest every Monday with top bots, top articles and trends.

WordPress Plugin

Free & open source · WordPress 5.8+ · PHP 7.4+

View on GitHub →

Installation

Go to the GitHub repository and click Code → Download ZIP
In WordPress Admin, go to Plugins → Add New → Upload Plugin
Upload the .zip file and click Install Now, then Activate
In the WordPress admin sidebar, go to Apeiron → Settings and scroll to the Apeiron Registry section
Enter your Publisher Email (where you want to receive notifications and the weekly digest)
For each article, open the Apeiron Paywall meta box in the post editor and pick a protection mode

What anonymous agents receive

When "Block anonymous" mode is enabled:

HTTP/1.1 401 Unauthorized
Content-Type: application/json
X-Apeiron-Protocol: registry-v1

{
  "error": "Agent identification required",
  "protocol": "Apeiron Registry v1.0",
  "register_url": "https://www.apeiron-registry.com/register",
  "standard_headers": {
    "X-Apeiron-Agent-ID":  "your_agent_id",
    "X-Apeiron-Timestamp": "unix_seconds",
    "X-Apeiron-Signature": "hmac_sha256_hex(v1\n{ts}\n{agent_id}\n{url})",
    "X-Apeiron-Purpose":   "training | inference | search"
  },
  "message": "Register your AI agent at www.apeiron-registry.com"
}

Not a publisher? Register your AI agent instead.