Here's how you can get it:
Log into your Pinterest business account, select the "Ads" section in the top menu, and then click on "Conversions"
On this page, scroll down until you see the section "Install your Pinterest tag". Once found, look for the option "Add code to website" and click on the "Add code" button.
Finish setting up your code on Pinterest and you should be good to go!
🔖 You can learn more about tracking codes in the following articles: