The demo of Performance Testing Using JMeter for API

In this video is a demo on Performance Testing Using JMeter for API. In this video, we demonstrate how API performance testing is conducted using Apache JMeter on the Fitness At Your Home application. The session provides a complete, end-to-end view of performance testing—from planning and test design to execution, analysis, and final reporting.

The video begins by outlining the Performance Testing Workflow, covering key phases such as requirement gathering, project estimation, test planning, test design, script development, baseline testing, execution, performance analysis, and report closure with actionable recommendations.

Next, we walk through three real-time API test scenarios:

Register User – launching the application, user registration, login, and retrieving user details

Verify User and Get Equipment – user verification, authentication, and fetching available equipment

Submit Enquiry and Get Status – enquiry creation and validation through API status checks

Each scenario demonstrates the use of POST and GET API methods, realistic payload handling, and validation of responses under load.

The demo also explains the user distribution and load configuration, including multiple scenarios executed simultaneously with virtual users over a steady-state duration. This is followed by a live performance test execution using JMeter, showcasing how results are captured and monitored in real time.

In the final section, we present the Performance Test Results Report in an MS Excel workbook, covering:

Executive Summary

Error Analysis

Transaction Summary

Response Time Metrics

Load Test Statistics

Server Monitoring Logs

Observations and Performance Recommendations

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