you can use JIRA service desk rest api to create tickets on JSD, check the following document
https://docs.atlassian.com/jira-servicedesk/REST/3.6.2/#servicedeskapi/request-createCustomerRequest
you can use JIRA service desk rest api to create tickets on JSD, check the following document
https://docs.atlassian.com/jira-servicedesk/REST/3.6.2/#servicedeskapi/request-createCustomerRequest