How to Create an API APP Alex McFerron August 10, 2020 15:54 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 to enable/disable automatically inserting signatures Where to find your API Key How do I Trigger Callback Examples for Errors and Declined? Comments 0 comments Article is closed for comments.