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<h2>
  <a href="https://keploy.io/blog/community/api-automation-testing" target="_blank" rel="noopener noreferrer">
    API Automation Testing – Notes
  </a>
</h2>

<h3>What is 
  <a href="https://keploy.io/blog/community/api-automation-testing" target="_blank" rel="noopener noreferrer">
    API Automation Testing
  </a>?
</h3>
<p>
API Automation Testing is the process of automatically validating APIs to ensure they function correctly,
return accurate responses, and handle errors properly without manual testing.
</p>

<h3>Why API Automation Testing is Important</h3>
<ul>
  <li>Faster testing compared to UI testing</li>
  <li>Early detection of backend issues</li>
  <li>Stable and reliable test execution</li>
  <li>Ideal for CI/CD pipelines</li>
  <li>Reduces manual effort and human error</li>
</ul>

<h3>What Can Be Tested in APIs?</h3>
<ul>
  <li>HTTP status codes (200, 201, 400, 401, 500)</li>
  <li>Request and response body validation</li>
  <li>Headers and authentication tokens</li>
  <li>Data accuracy and schema validation</li>
  <li>Error handling and edge cases</li>
  <li>Performance and response time</li>
</ul>

<h3>Types of API Testing</h3>
<ul>
  <li><strong>Functional Testing</strong> – Validates API functionality</li>
  <li><strong>Integration Testing</strong> – Checks communication between services</li>
  <li><strong>Regression Testing</strong> – Ensures APIs work after updates</li>
  <li><strong>Performance Testing</strong> – Measures speed and load handling</li>
  <li><strong>Security Testing</strong> – Validates authentication and authorization</li>
</ul>

<h3>API Automation Testing Workflow</h3>
<ol>
  <li>Understand API requirements</li>
  <li>Identify endpoints and HTTP methods</li>
  <li>Write automated test cases</li>
  <li>Execute tests</li>
  <li>Validate responses</li>
  <li>Generate test reports</li>
  <li>Integrate with CI/CD pipeline</li>
</ol>

<h3>Common API Automation Tools</h3>
<ul>
  <li>Keploy</li>
  <li>Postman</li>
  <li>Rest Assured</li>
  <li>SoapUI</li>
  <li>JMeter</li>
</ul>

<h3>Best Practices</h3>
<ul>
  <li>Test both positive and negative scenarios</li>
  <li>Keep test cases independent</li>
  <li>Reuse test data where possible</li>
  <li>Validate response schema</li>
  <li>Automate authentication handling</li>
  <li>Run tests regularly in CI/CD pipelines</li>
</ul>

<h3>API Automation vs Manual Testing</h3>
<table border="1" cellpadding="8" cellspacing="0">
  <tr>
    <th>Manual Testing</th>
    <th>Automation Testing</th>
  </tr>
  <tr>
    <td>Time-consuming</td>
    <td>Fast execution</td>
  </tr>
  <tr>
    <td>Not reusable</td>
    <td>Reusable scripts</td>
  </tr>
  <tr>
    <td>Human errors possible</td>
    <td>High accuracy</td>
  </tr>
  <tr>
    <td>Not CI/CD friendly</td>
    <td>CI/CD compatible</td>
  </tr>
</table>

<h3>Key Takeaway</h3>
<p>
API Automation Testing is essential for modern software development as it improves backend reliability,
speeds up testing cycles, and ensures high-quality software releases.
</p>
