I keep receiving text messages with a link to locate my stolen iPhone, how do I verify the legitimacy of these texts and link
How do I verify the legitimacy of these text messages and links I receive to locate my stolen iPhone?
iPhone SE, iOS 13
They are NOT legitimate. They are a scam to get you to give up your Apple ID and passcode. Do NOT click on any links in such texts.
See here for further information on what to do if your iPhone is lost or stolen:
If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support