Returns a user. Privacy controls are applied to the response based on the user's preferences. This could mean, for example, that the user's email address is hidden. See the [Profile visibility overview](https://developer.atlassian.com/cloud/jira/platform/profile-visibility/) for more details. **[Permissions](#permissions) required:** *Browse users and groups* [global permission](https://confluence.atlassian.com/x/x4dKLg).

Searches for issues using [JQL](https://confluence.

Edits an issue.

Returns the details for an issue.

Returns the remote issue links for an issue.

Searches for issues using [JQL](https://confluence.

Deletes a remote issue link from an issue.

Creates an issue or, where the option to create subtasks is enabled in Jira, a subtask.

Returns system and custom issue fields according to the following rules: * Fields that cannot be added to the issue navigator are always returned.

Returns a [paginated](#pagination) list of all custom field option for a context.

Returns a list of all statuses associated with active workflows. This operation can be accessed anonymously. **[Permissions](#permissions) required:** None.

Parses and validates JQL queries. Validation is performed in context of the current user. This operation can be accessed anonymously. **[Permissions](#permissions) required:** None.

Returns a [paginated](#pagination) list of all changelogs for an issue sorted by date, starting from the oldest. This operation can be accessed anonymously. **[Permissions](#permissions) required:** * *Browse projects* [project permission](https://confluence.atlassian.com/x/yodKLg) for the project that the issue is in. * If [issue-level security](https://confluence.atlassian.com/x/J4lKLg) is configured, issue-level security permission to view the issue.

Deletes an app's property. **[Permissions](#permissions) required:** Only a Connect app whose key matches `addonKey` can make this request. Additionally, Forge apps can access Connect app properties (stored against the same `app.connect.key`).

Updates the issue security scheme. **[Permissions](#permissions) required:** *Administer Jira* [global permission](https://confluence.atlassian.com/x/x4dKLg).

Returns reference data for JQL searches.

Creates a related work for the given version. You can only create a generic link type of related works via this API. relatedWorkId will be auto-generated UUID, that does not need to be provided. This operation can be accessed anonymously. **[Permissions](#permissions) required:** *Resolve issues:* and *Edit issues* [Managing project permissions](https://confluence.atlassian.com/adminjiraserver/managing-project-permissions-938847145.html) for the project that contains the version.

Creates an issue type screen scheme. **[Permissions](#permissions) required:** *Administer Jira* [global permission](https://confluence.atlassian.com/x/x4dKLg).

Changes the owner of the filter. **[Permissions](#permissions) required:** Permission to access Jira. However, the user must own the filter or have the *Administer Jira* [global permission](https://confluence.atlassian.com/x/x4dKLg).

Creates a link between two issues.

Returns the watchers for an issue.

Changes the order of custom field options or cascading options in a context. This operation works for custom field options created in Jira or the operations from this resource. **To work with issue field select list options created for Connect apps use the [Issue custom field options (apps)](#api-group-issue-custom-field-options--apps-) operations.** **[Permissions](#permissions) required:** *Administer Jira* [global permission](https://confluence.atlassian.com/x/x4dKLg).

Get the issue type hierarchy for a next-gen project.

Updates a comment.

Returns the total approximate number of user accounts for a single Jira license. Note that this information is cached with a 7-day lifecycle and could be stale at the time of call. **[Permissions](#permissions) required:** *Administer Jira* [global permission](https://confluence.atlassian.com/x/x4dKLg).

Updates or creates an option for a select list issue field.

Returns a permission scheme. **[Permissions](#permissions) required:** Permission to access Jira.

Adds one or more attachments to an issue.

Returns related work items for the given version id. This operation can be accessed anonymously. **[Permissions](#permissions) required:** *Browse projects* [project permission](https://confluence.atlassian.com/x/yodKLg) for the project containing the version.

Creates an issue type and adds it to the default issue type scheme. **[Permissions](#permissions) required:** *Administer Jira* [global permission](https://confluence.atlassian.com/x/x4dKLg).