*   JIRA migrators implemented in other PM tools
    
    *   YouTrack
        
        *   [https://www.jetbrains.com/help/youtrack/server/migrate-from-jira-to-youtrack.html](https://www.jetbrains.com/help/youtrack/server/migrate-from-jira-to-youtrack.html)
            
        *   [https://www.jetbrains.com/help/youtrack/server/new-import-from-jira.html](https://www.jetbrains.com/help/youtrack/server/new-import-from-jira.html)
            
        *   Nice entities mapping table: [https://www.jetbrains.com/help/youtrack/server/new-import-from-jira.html#import-details-jira](https://www.jetbrains.com/help/youtrack/server/new-import-from-jira.html#import-details-jira)
            
    *   ClickUp
        
        *   [https://help.clickup.com/hc/en-us/articles/6310954639255-import-from-jira](https://help.clickup.com/hc/en-us/articles/6310954639255-import-from-jira)
            
            *   New importer which uses backups as a data source
                
        *   [https://help.clickup.com/hc/en-us/articles/12224657564695-import-from-jira-legacy](https://help.clickup.com/hc/en-us/articles/12224657564695-import-from-jira-legacy)
            
            *   Legacy importer uses rest API
                
*   JIRA DATA CENTER
    
    *   End of life details: [https://www.atlassian.com/licensing/data-center-end-of-life#data-center-eol-general-questions](https://www.atlassian.com/licensing/data-center-end-of-life#data-center-eol-general-questions)
        
    *   End of support details: https://confluence.atlassian.com/support/atlassian-support-end-of-life-policy-201851003.html
        
    *   REST API DOCS
        
        *   Last version: https://developer.atlassian.com/server/jira/platform/rest/latest
            
        *   Previous versions list: https://developer.atlassian.com/server/jira/platform/rest/v11003/intro/#previous-versions
            
        *   How to create and use a persona access token: [https://confluence.atlassian.com/enterprise/using-personal-access-tokens-1026032365.html](https://confluence.atlassian.com/enterprise/using-personal-access-tokens-1026032365.html)
            
        *   Folder with old REST API API versions by build number: [https://docs.atlassian.com/software/jira/docs/api/REST/](https://docs.atlassian.com/software/jira/docs/api/REST/)
            
            *   to find a build number serverInfo endpoint can be used: https://docs.atlassian.com/software/jira/docs/api/REST/1000.300.0/#api/2/serverInfo-getServerInfo
                
    *   REQUEST RATE limiting can be disabled
        
    *   LOGS
        
        *   Useful log files: [https://confluence.atlassian.com/jirakb/useful-log-files-in-jira-1027120387.html](https://confluence.atlassian.com/jirakb/useful-log-files-in-jira-1027120387.html)
            
        *   For example access logs can be useful to see what requests other PM tools sent to get data from JIRA instance.
            
    *   DATABASE SCHEMA
        
        *   [https://developer.atlassian.com/server/jira/platform/database-schema/](https://developer.atlassian.com/server/jira/platform/database-schema/)
            
    *   VERSION RELEASE NOTES
        
        *   https://confluence.atlassian.com/jirasoftware/jira-software-release-notes-776821069.html
            
*   JIRA CLOUD
    
    *   REST API DOCS
        
        *   v2: https://developer.atlassian.com/cloud/jira/platform/rest/v2/
            
        *   v3: [https://developer.atlassian.com/cloud/jira/platform/rest/v3/](https://developer.atlassian.com/cloud/jira/platform/rest/v3/)
            
    *   USERS sync
        
        *   through REST API potential bummers
            
            *   email can be hidden due to Privacy Policy
                
                *   https://developer.atlassian.com/cloud/jira/platform/rest/v3/api-group-users/#api-rest-api-3-users-search-get
                    
                *   https://developer.atlassian.com/cloud/jira/platform/rest/v2/api-group-users/#api-rest-api-2-users-search-get
                    
            *   if inactive/deleted user has no Atlasian account it will not be returned by the API
                
                *   https://developer.atlassian.com/cloud/jira/platform/rest/v3/api-group-users/#api-rest-api-3-users-search-get
                    
                *   [https://developer.atlassian.com/cloud/jira/platform/rest/v2/api-group-users/#api-rest-api-2-users-search-get](https://developer.atlassian.com/cloud/jira/platform/rest/v2/api-group-users/#api-rest-api-2-users-search-get)
                    
        *   through SCIM API
            
            *   [https://developer.atlassian.com/cloud/admin/user-provisioning/rest/intro/#about](https://developer.atlassian.com/cloud/admin/user-provisioning/rest/intro/#about)
                
    *   REQUEST RATE limiting must taking into consideration to get data through APIs