Freshservice new-gen project management has an option for you to easily move all your data from JIRA. If you are the account admin,

1. Please navigate to Admin > Project & Workload Management JIRA Import section in your Freshservice instance. If your account has more than one workspace, navigate to Admin > Global Settings > Project & Workload Management JIRA Import.

2. Add the JIRA account URL, Admin Email and Admin API key -> Next

Important info:

1. Use "https://" in your account url. Eg: https://acmeinc.atlassian.net/

2. Use an API key that belongs to an account admin. API key can be found at https://id.atlassian.com/manage/api-tokens

Once all your data has been imported, you will get an email confirmation.