Action Details
Requirements and how-to articles for Etsy's action:

In order to be able to set up a shop on Etsy, you must first create an account.

You need this to get it done:

Email Address
Enter the email address you wish to be associated with your account. This is where your confirmation email will be sent (unless you are based in the USA, in which case you do not need to confirm your email address.)
Google/Facebook Account
Alternatively, instead of using an email address, you can sign up to Etsy using a Google or Facebook account.
Profile Picture
File format: .jpg/.png/.gif
Maximum file size: 10MB
Minimum dimensions: 400 x 400 pixels
Write about yourself - talk about what you make, your hobbies/interests, etc.
First Name
Your first name to be publicly displayed on your Etsy profile (you can also add a last name after signing up.)
Requirements missing or found errors? Report

How-To Articles
A list of useful links for you:

Etsy Help Centre - Creating an Account on Etsy
Official guide to creating an Etsy account.
Etsy Help Centre - Your Bio and Profile Picture
Official requirements and tips for your bio and profile picture on Etsy.
Link missing here or found errors? Improve How-Tos