What is a List ID?
Think of a list ID as a unique fingerprint for your audience. It's a special code made up of letters and numbers. Mailchimp uses this code to know which list you are talking about. Therefore, it's very telegram data important. Whenever an outside app wants to add someone to your list, it uses this ID. This ensures the new contact goes to the right place. An audience ID is the same thing as a list ID.
Why You Need a List ID
Sometimes, you need to connect Mailchimp to other programs. Maybe you have a sign-up form on your blog. That form needs to know where to send new emails. The list ID is the key piece of information it needs. Also, if you use a special plugin on your website, it may ask for this ID. It helps everything work together smoothly.

The Difference Between List and Audience
Mailchimp used to call these groups of people "lists." However, they now call them "audiences." It is just a different name for the same thing. The list ID is the unique ID for your audience. So, if you see "list ID" or "audience ID," they mean the same thing. Just use the one you find.
How to Find Your Audience ID Step-by-Step
Finding your audience ID is actually very easy. Just follow these steps. You will be able to find it in no time. First, you need to log in to your Mailchimp account. This is the first and most important step. After you are logged in, you can begin the process. Consequently, all the steps will be straightforward.
Navigate to Your Audience
Once you are logged in, look for the word "Audience" in the main menu. It is usually at the top or on the side. Click on it. If you have many audiences, you might need to choose one. Select the specific audience you want to work with. For instance, you may have one audience for your blog and another for your shop. You must pick the correct one.
Go to Audience Settings
After you have selected your audience, you need to find the settings. Look for an option called "Manage Audience" or something similar. Click on it. A new menu will appear. From this menu, you will want to select "Settings". This will take you to a page with all the details about your audience.