You can paste the code in your blogs like WordPress if you have a blog page. You get the badge by Tripoto after you've published your trips just to confirm that you're a travel blogger approved by Tripoto.
You need to publish a trip where you put everything in detail. your itinerary, how you reach the destination, pictures, budget, number of days. everything. if it gets approved by Tripoto standards, you will be Tripoto approved blogger soon enough you should use the link on your blog or a website to show to your viewers that you are a tripoto approved blogger