What Zendesk is
Zendesk is a customer service software company that provides a cloud-based customer support platform. This platform enables businesses to manage customer interactions across phone, chat, email, social media, and any other channel you can imagine, all in one place.How it works
1
Link your Fillout form to Zendesk
Open the form you want to 
More details on how to find your subdomain here.
Integrate
with Zendesk. Then, enter your Zendesk subdomain.
2
Map your form fields
Match the fields in your Fillout form to the corresponding fields in Zendesk for the new message. Make sure to include the contact’s email, name, subject, and the ticket description.

3
Publish and share
Once everything is set, click
Finish setup
on the upper right corner. New form submissions will now create tickets directly in your Zendesk!Remember to click Publish
after making any further changes to the integration.