Summary

Trying to use the Jira Align REST API 2 to get a capability (or other work item) containing an apostrophe in the title, it fails with a syntax error such as:

Cannot find capabilities. Syntax error at position X in 'title eq 'title_with_apostrophe''

Environment

Jira Align

Solution

In order to successfully use the filter function from a GET call (and avoid the syntax error), you should place a single quote in front of the apostrophe to escape it (in other words, having two single quotes consecutively).
As a result, if you have a title such as: 'It’s a test', you need to use the filter criteria: 'It''s a test'

Here is an example:

or