Notifications Plugin

In-app notification system with templates, delivery tracking, and GraphQL subscriptions. Free, MIT licensed.

Install

nself plugin install notifications

What It Does

Adds a complete in-app notification system to your Hasura backend. Supports multi-channel delivery (email, push, SMS) with template management and per-channel delivery tracking. Exposes both a REST API and GraphQL subscriptions for real-time notification updates.

Configuration

Env Var	Default	Description
NOTIFICATIONS_PORT	3102	Notifications service port
NOTIFICATIONS_SMTP_HOST	—	SMTP host for email channel
NOTIFICATIONS_SMTP_PORT	587	SMTP port
NOTIFICATIONS_FCM_KEY	—	Firebase key for push

Ports

Port	Purpose
3102	Notifications REST API

Database Tables

3 tables added to your Postgres database:

• np_notifications_notifications, notification records
• np_notifications_templates, message templates per channel
• np_notifications_preferences, per-user channel preferences

Nginx Routes

Route	Target
/notifications/	Notifications API

GraphQL

Tables are automatically tracked in Hasura. Subscribe to np_notifications_notifications for real-time updates using Hasura's subscription API.