Yes. Testio is a legit QA testing company that has been around since 2015 or so. They test websites and app (both pre-release and live). They primarily pay for each bug found (functional, visual, content) but they also pay for performance of user stories and test cases and others. They pay primarily through paypal and payoneer. But you can also discuss other payment methods with them. They hire globally.
You can read more about them here.
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However, I have a suspicion that you may be confusing Testio with Testlio. If so then I don't have much experience with Testlio