LN+ API version 2.4 introduces a set of improvements designed to make automation easier, safer, and more complete for Lightning node operators.

The biggest addition is Node API Keys. Until now, authenticated API requests required a Lightning message and signature. That flow remains fully supported, but integrations can now use reusable bearer credentials instead. Each key is tied to a single verified node, can be scoped to specific permissions, expires within one year, and can be revoked at any time. This makes the API much more practical for bots, dashboards, scripts, and long-running services.

...read more at lightningnetwork.plus