Threats such as cyber-attacks, information leaks, and malicious software have become one of the issues that businesses need to pay more attention to every day. Therefore, businesses must strengthen their cybersecurity strategies. IP geolocation API stands out as an important tool in the field of cyber security. This API provides the ability to determine the geolocation of a device over the internet. So what is the role of this API in cybersecurity? In this article, we will first get to know this API more closely. Then, we will touch upon the contributions of an IP geolocation API to cyber security.