How to Share Your Radarr Watchlist on Nostr

Are you using Radarr to track upcoming movie releases and manage your home media collection? By connecting Radarr to Nostr via NostrBridge, every time you add a movie to your Radarr watchlist, a beautifully formatted post with the title, release year, overview, and cover poster can automatically broadcast to your Nostr followers!

In this tutorial, we will configure a NostrBridge rule to parse Radarr webhook payloads and send real-time movie watchlist updates to Nostr.

Prerequisites

• A running instance of Radarr v3 or v4.
• A NostrBridge account.

Step 1: Create a Radarr Rule in NostrBridge

1. Log into your NostrBridge Dashboard.
2. Click on Create New Rule.
3. Under Webhook Provider Selection, select Radarr.
4. Select Kind 1 (Short Text Note) for standard Nostr posts.
5. Configure your signing key (Ephemeral Key, NSEC, or NIP-46 Bunker).
6. Optional: Set a Webhook Secret Token for payload authentication.

Step 2: Choose or Customize the Message Template

NostrBridge comes pre-loaded with a Movie Added to Watchlist preset. You can use the default or customize the template in Liquid syntax:

🎬 Added to Movie Watchlist: '{{ payload.movie.title }}' ({{ payload.movie.year }})

Synopsis: {{ payload.movie.overview }}

#Radarr #Movies #Nostr

You can also filter by event type so that only newly added movies trigger this rule:

eventType == "MovieAdded"

Step 3: Configure the Webhook in Radarr

1. Copy your unique NostrBridge Webhook Endpoint URL from your rule settings (e.g. https://api.bridge.workouse.com/v1/wh/YOUR_RULE_ID).
2. In Radarr, go to Settings → Connect.
3. Click the + (Add) button and select Webhook.
4. Enter a Name (e.g., NostrBridge Webhook).
5. Select the triggers you want to enable (e.g. On Movie Added, On Download, On Upgrade).
6. Paste your NostrBridge Endpoint URL into the URL field.
   Tip: If you set a secret token in NostrBridge, add ?secret=YOUR_SECRET to the end of the URL or set the X-Webhook-Secret header.
7. Set Method to POST.
8. Click Test to verify connectivity, then click Save.

Step 4: Add Movies & Enjoy!

The next time you search for a movie and click Add Movie in Radarr (or add it via Overseerr / Jellyseerr), Radarr sends a MovieAdded webhook event. NostrBridge receives it instantly, renders your template, and publishes your recommendation live to Nostr!