Purpose
Purpose This enables webhooks for nearly realtime updates (every 5 seconds) from Notion Databases. Problem Notion does not offer webhooks. Even worse, the “Last edited time” property, we could use for polling, only updates every minute. This gives us a polling interval only as low as 2 minutes and we still need to implement a comparing mechanism to detect changes. Solution This workflow caches states in between while doing efficient polling & comparing. It brings down the update latency from 2 minutes to 5 seconds and also provides the output of the changes only. Demo How it works Database Pages are frequently polled while filtered by a last modified time stamp for more efficiency Retrieved pages get compared with previously cached versions in Supabase Only new and changed pages are pushed to a registered webhook Setup Create a new project in Supabase and import the DB schema (provided through Gumroad) Add a "Last edited time" property to your Notion Database, if it has none yet Define the dynamically generated settings_id from the settings table (Supabase) in the Globals node Define the Notion Database URL in the Globals node Define your custom Webhook URL in the last node where the results should be pushed to It is recommended to call this workflow using this template to prevent simultaneous workflow executions Set the Schedule Trigger to every 5 seconds or less frequent More detailed instructions provided within the workflow file and the illustrated instructions provided during the download Example output [ { "action": "changed", "changes": { "property_modified_at": "2024-06-04T17:59:00.000Z", "property_priority": "important" }, "data": { "id": "ba761e03-7d6d-44c2-8e8d-c8a4fb930d0f", "name": "Try out n8n", "url": "https://www.notion.so/Try-out-n8n-ba761e037d6d44c28e8dc8a4fb930d0f", "property_todoist_id": "", "property_id": "ba761e037d6d44c28e8dc8a4fb930d0f", "property_modified_at": "2024-06-04T17:59:00.000Z", "property_status": "Backlog", "property_priority": "important", "property_due": { "start": "2024-06-05", "end": null, "time_zone": null }, "property_focus": false, "property_name": "Try out n8n" }, "updated_at": "2024-06-04T17:59:42.144+00:00" } ]. An n8n automation workflow template by Mario.
Mario
web
paid
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