I want to create shop on Instagram.
Somebody realise integration?
Using their paid feature, you can use the different platforms to create your own site and create the marketplace on Instagram.
I recommend you do both so clients will choose the most comfortable option to buy your products. Also, if you are planning to start your business via using an Instagram account, I would recommend you to approach reliable promotional services like famoid.com that will help you with getting likes and followers on your Instagram account so that they will show your account to other Instagram users as one of the most popular ones that will help you get new customers.