How to Create an API APP Alex McFerron March 15, 2019 16:30 Updated Follow 1. Login to HelloSign.com 2. Navigate to this location: https://app.hellosign.com/home/myAccount#api 3. Click CREATE to create an API App 4. Fill out the info to setup the API APP Related articles Tools for testing the API and callbacks locally Can you give me an example of a callback event? How do I Trigger Callback Examples for Errors and Declined? Where to find your API Key Using the same Template Twice in One Signature Request Comments 0 comments Article is closed for comments.