How to Leverage Your ATS’s API to Connect Custom Reporting and Analytics Tools

In today’s data-driven talent acquisition landscape, relying solely on your Applicant Tracking System’s (ATS) built-in reports can limit your strategic insights. While ATS platforms are powerful for managing candidates and workflows, their reporting capabilities often lack the depth, customization, or cross-system integration needed for truly advanced analytics. The solution lies in harnessing your ATS’s API. By connecting your ATS data to specialized reporting and analytics tools, you can unlock a wealth of custom metrics, identify hidden trends, and make more informed, proactive decisions that drive recruitment efficiency and quality. This guide will walk you through the essential steps to achieve this powerful integration, transforming raw ATS data into actionable business intelligence.

Step 1: Define Your Reporting and Analytics Objectives

Before diving into any technical integrations, it’s crucial to clearly articulate what you want to achieve with enhanced reporting. Start by identifying the key performance indicators (KPIs) and metrics that are most critical to your organization’s talent acquisition strategy. Are you looking to optimize time-to-hire, reduce cost-per-hire, analyze source effectiveness, understand candidate drop-off points, or predict hiring needs? Perhaps you want to correlate recruiting activities with broader business outcomes. Defining these objectives will guide your data extraction strategy, determine which specific data points you need from your ATS, and inform the design of your custom reports and dashboards. Without a clear goal, you risk building a complex system that doesn’t deliver the actionable insights you truly need.

Step 2: Understand Your ATS API Documentation

Every ATS API is unique, and a thorough understanding of its documentation is paramount. The API documentation will detail the available endpoints (e.g., for candidates, jobs, applications, interview stages), the data fields accessible through each endpoint, the authentication methods required (e.g., API keys, OAuth 2.0), request limits, and any specific data structures or query parameters. Pay close attention to how data is paginated, filtered, and sorted, as this will directly impact the efficiency and completeness of your data extraction process. Familiarize yourself with error codes and rate limits to ensure your integration is robust and doesn’t overwhelm the ATS system. This foundational knowledge will prevent common integration roadblocks and ensure you can reliably access the data you need.

Step 3: Secure API Access and Credentials

With your objectives defined and API knowledge acquired, the next step is to obtain the necessary API access and credentials from your ATS provider. This typically involves contacting your ATS support team or IT department to request API keys, client IDs, client secrets, or other authentication tokens. Ensure you understand the scope of access granted by these credentials; some APIs offer different levels of access for read-only versus write operations. For security best practices, store these credentials securely and never hardcode them directly into your integration scripts. Implement environment variables or a secure credential management system. It’s also wise to understand any usage policies or terms of service associated with API access to maintain compliance and avoid service interruptions.

Step 4: Choose Your Reporting and Analytics Tools

Selecting the right tools for your custom reporting and analytics is a critical decision. Options range from business intelligence (BI) platforms like Tableau, Power BI, or Looker to data warehousing solutions such as Snowflake or Google BigQuery, or even simpler spreadsheet tools for smaller datasets. Consider your team’s existing skill sets, the complexity of the data you’ll be handling, your budget, and the desired level of data visualization and interactivity. For many organizations, a low-code automation platform like Make.com (formerly Integromat) can serve as an excellent middleware to connect the ATS API to your chosen analytics platform, simplifying the data extraction, transformation, and loading (ETL) process without extensive coding. This middleware approach provides flexibility and scalability for future integrations.

Step 5: Develop Data Extraction and Transformation Logic

This is where you build the core logic for pulling data from your ATS and preparing it for analysis. Using your chosen middleware or a custom script, you’ll configure API calls to retrieve the specific data points identified in Step 1. This often involves handling pagination to ensure all records are retrieved, filtering data based on dates or other criteria, and managing incremental updates to avoid re-extracting all historical data every time. After extraction, the data will likely need transformation. This could include cleaning data (e.g., standardizing formats), enriching it (e.g., combining candidate data with job details), or reshaping it to fit the schema of your analytics tool. Meticulous data transformation ensures your reports are accurate, consistent, and meaningful.

Step 6: Implement Data Sync and Scheduling

For your custom reports to be truly valuable, the underlying data needs to be fresh and consistently updated. Establish a robust data synchronization process that automatically extracts and loads data from your ATS into your chosen analytics environment on a regular schedule. The frequency of this sync (e.g., daily, hourly, real-time) will depend on the urgency of your reporting needs and the API’s rate limits. Leverage scheduling features within your automation platform (like Make.com) or cron jobs for custom scripts. Implement error handling and logging mechanisms to monitor the sync process, identify any failures, and ensure data integrity. A reliable data pipeline is the backbone of actionable, up-to-date insights.

Step 7: Build Your Custom Reports and Dashboards

With your ATS data flowing smoothly into your analytics environment, the final step is to build compelling custom reports and interactive dashboards. Utilize the visualization capabilities of your chosen BI tool to create intuitive displays of your key metrics. Design dashboards that tell a story, allowing users to drill down into specific data points and uncover deeper insights. Focus on creating visualizations that clearly answer the strategic questions you defined in Step 1. Share these reports with relevant stakeholders across HR, recruitment, and leadership to empower data-driven decision-making. Continually solicit feedback and iterate on your reports to ensure they remain relevant and continue to deliver maximum value, evolving with your organization’s needs.

If you would like to read more, we recommend this article: How to Supercharge Your ATS with Automation (Without Replacing It)

By Published On: November 7, 2025

Ready to Start Automating?

Let’s talk about what’s slowing you down—and how to fix it together.

Share This Story, Choose Your Platform!