This template shows how you can take any event from any service, transform its data and send an alert to your desired app. Specifically, this example monitors a Linear project for new bug submissions. Then it only sends a Slack notification to a channel if a new bug is urgent. You can swap the Linear trigger for another Task Management app such as Jira or Asana; or an entirely different usecase. Setup instructions are located inside the workflow template.
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See all Slack→Send a daily Holded sales summary to Slack
Quick overview This workflow runs daily at 08:00 to pull yesterday’s invoices from Holded, aggregate invoice count and totals, identify the top customer, and post a formatted sales digest to a Slack channel. How it works Runs every day at 08:00 on a scheduled trigger. Retrieves all invoices from Holded dated yesterday. Calculates the number of invoices, total billed amount, and the top customer by billed total, then formats the results into a Slack-ready message. Posts the daily sales report message to the selected Slack channel. Setup Add your Holded API v2 credentials (API key) to allow the workflow to read invoices. Add your Slack credentials and select the channel where the report should be posted. Adjust the schedule time if you want the report to run at a different hour. Install the free Holded community node first: in n8n go to Settings → Community Nodes → Install and search for @francodesystems-npm/n8n-nodes-holded. It is a verified community node, so it is also available on n8n Cloud. Requirements A Holded account with an API key (Settings → Developers → API keys) A Slack workspace where you can install apps and post to the target channel The @francodesystems-npm/n8n-nodes
Send monthly real estate market summaries to Slack with Supabase and Rentcast
Quick overview Youtube Video: https://youtu.be/zJlncb1T074?si=fnKE7SPh7I-JGdmx This workflow runs monthly for a configured ZIP code, checks Supabase for recent market rental and sales records, and either reports the existing stats or pulls fresh data from the Rentcast API, upserts it into Supabase, and posts a formatted market update to Slack. How it works Runs on a monthly schedule and sets the target ZIP code to analyze. Queries Supabase tables for rental and sales market records for that ZIP code that are older than the start of the current month. If existing data is found, calculates month-over-month changes from the stored history and posts a Slack update (or an admin error message if the history is insufficient). If no current data exists, fetches the latest rental and sales market statistics from the Rentcast Markets API. Upserts the fetched rental and sales statistics (including history and summary fields) into Supabase using the REST endpoint. Calculates month-over-month changes from the newly fetched history and posts a Slack market summary, or posts an error message if the data is incomplete. Setup Create a Supabase project with market_rentals and market_sales tables and
Send monthly rent and sales market updates to Slack with Rentcast and Supabase
Quick overview Youtube Video: https://youtu.be/zJlncb1T074 This workflow runs monthly, checks Supabase for up-to-date real estate market records for a configured ZIP code, and either reports existing month-over-month rent and sale trends or fetches fresh market stats from the Rentcast API, upserts them into Supabase, and posts to Slack. How it works Runs on a monthly schedule and sets the target ZIP code to analyze. Queries Supabase for rental and sales market records for that ZIP code that are older than the start of the current month. If prior data exists, calculates the last 3 months of average rent and average sale price changes from Supabase history fields and posts a status summary to Slack (or alerts if comparisons are not possible). If no up-to-date data exists, requests the latest market statistics from the Rentcast markets API for the same ZIP code. Upserts the returned rental and sales metrics (including history) into Supabase tables for market_rentals and market_sales. Computes month-over-month changes from the newly fetched history and posts the formatted market update to Slack (or sends an error alert if insufficient data is returned). Setup Create/connect Supabase cr