How to Get Slack Webhook URL: Automate Notifications with External Integration

By using Slack’s Incoming Webhook, you can send messages to Slack from external systems like Google Sheets.

This time, we’ll guide you through the process of obtaining the URL for Slack’s Incoming Webhooks, which is essential for integration with external systems.

あわせて読みたい

スプレッドシートとSlack（スラック）をGASで連携！通知を自動化する方法 この記事をおすすめの方 Slack通知の自動化で手間を省きたい方 手動での連絡ミスをなくしたい方 スプレッドシートの入力ステータスを変えたらSlackで通知したい場合、毎…

Incoming Webhook Overview

Slack’s Incoming Webhook is a feature for sending messages to Slack from external systems.

Enabling this webhook will allow external apps and scripts to automatically post messages to specific channels.

Below are the instructions for obtaining a Webhook URL.

Procedure for obtaining Webhook URL

STEP

Access the automation menu from the Slack home screen

First, open the Slack home screen and click on the “More” icon in the left sidebar.

Then select “Automations.“

STEP

Open App and look for “Incoming Webhooks”.

Open Apps and look for “Incoming Webhooks”.

Type “Incoming Webhooks” in the search bar and select the application that appears.

Click the “Add” button for the Incoming Webhooks apps displayed.

STEP

Incoming Webhook Settings

On the “Incoming Webhooks” page, click the “Add to Slack” button.

STEP

Select Channel

Select the Slack channel to which you wish to post messages and click “Add Incoming Webhooks Integration”.

STEP

Obtaining the Webhook URL

A Webhook URL will be generated, copy and save this URL.

The retrieved Webhook URL can be used in scripts or external applications to automatically post messages to Slack.

• Note to security:
  Webhook URLs are managed in such a way that they are not known to others.
  Since anyone who knows the URL can send messages, there is a risk of unauthorized use of the URL.
• Select Channel:
  The channel to which notifications will be sent is selected during setup, so you must decide in advance which channel you will post to.

Conclusion

In this article, we introduced how to obtain a Slack webhook URL.

This URL can be used to link to Google Apps Script and other tools to improve operational efficiency.

Another article explains how to integrate spreadsheets and Slack.

あわせて読みたい

スプレッドシートとSlack（スラック）をGASで連携！通知を自動化する方法 この記事をおすすめの方 Slack通知の自動化で手間を省きたい方 手動での連絡ミスをなくしたい方 スプレッドシートの入力ステータスを変えたらSlackで通知したい場合、毎…

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