Create a method that can accept a webhook from Hellosign and return a 200 HTTP code and a response body containing the following text: Hello API Event Received. The example below grabs the signature ID and prints it out to the console for various signer events. The code snippet will need to be edited to use in your integration.
Use localhost tunneling software to generate a URL to your callback handler. This article has some suggestions on this process. Place your URL into the event callback and click “Test”. You should get the “Success!” message because the callback page returned the needed information.
For more information, please check out our Events and Callbacks Walkthrough
It is important to note the section on Event Hash Verification because that is important for security.