Install
This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.
Install straight from GitHub with WP-CLI:
wp plugin install https://github.com/jaybee1111/jb3d-gm-invoice-endpoint/archive/refs/heads/main.zipNo built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
JB3D – GM Invoice Endpoint (MU plugin)
A WordPress MU plugin that generates or fetches German Market invoice PDFs and exposes a REST endpoint:
POST /wp-json/jb3d/v1/invoice/generate
Authentication:
Header X-JB3D-Secret: <secret> — stored only in wp-config.php.
Example usage
curl -s -X POST "https://jb3d-druck.de/wp-json/jb3d/v1/invoice/generate" \
-H "X-JB3D-Secret: YOUR_SECRET" \
-d "order_id=1922"