Paylocity is a comprehensive Human Resources Information System (HRIS) that integrates payroll, benefits, and talent management into a single cloud-based platform, enhancing efficiency and decision-making for businesses. The system offers a powerful API that enables developers to automate the extraction of employee data and integrate Paylocity's features into custom applications, thus streamlining HR processes. Merge provides a Unified API that allows developers to access over 180 integrations, including Paylocity, through a single API endpoint, reducing the complexity of managing multiple HRIS connections. The article outlines how to authenticate and communicate with Paylocity's API using OAuth 2.0 and Python, facilitating the automation of employee data retrieval, which can be utilized to build robust applications and analytics tools. Merge's solution simplifies integration efforts by providing a centralized API endpoint and plugin system that manages diverse communication protocols, ensuring seamless interaction with various HRIS platforms while minimizing engineering efforts.