how to get my JIRA admin username

[gayan ganepola]

I'm currently doing integration with fresh service. using rest api( webhooks)

for this I'm using my email address and security token generated by the site. this is work fine for postman web request. but when Freshdesk team uses of webhooks authentication failed. 

https://support.freshdesk.com/support/solutions/articles/5963-the-jira-app#:~:text=Comments%20and%20updates%20are%20updated,should%20let%20the%20sync%20work.

here is says I have to provide user name, not email.

can you please tell me whats my user name is?

gayan.ganepola@attuneconsulting.com  is my email

[Viktor H · Accepted solution]

Look at the top of the site you referenced:

Note: This version of the Jira app is outdated. Please refer to this article for details on the new and advanced Jira Plus App. 

The JIRA integration for Freshdesk supports both on-demand and on-premise variants, from JIRA 4.x up to the latest version - JIRA 5.