To obtain a Slack Webhook URL, follow these steps:

Create a Slack App

1. Visit the Slack API website (api.slack.com) and sign in to your Slack account.
2. Click on “Create New App” and choose “From scratch”.
3. Give your app a name and select the workspace you want to use.

Enable Incoming Webhooks

1. In your app’s settings, find the “Incoming Webhooks” section.
2. Toggle the switch to activate the Incoming Webhooks feature.

Generate the Webhook URL

1. Click on “Add New Webhook to Workspace”.
2. Select the channel where you want the webhook to post messages.
3. Authorize the app to access the selected channel.

Obtain the Webhook URL

1. After authorization, you’ll be redirected back to your app settings.
2. Under “Webhook URLs for Your Workspace,” you’ll find your new Webhook URL.
3. The URL will look similar to: https://hooks.slack.com/services/XXXXXXXXXX/XXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXX.
4. Copy this URL by clicking the “Copy” button next to it.