How to see api calls in chrome?

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When working with APIs (Application Programming Interfaces), it can be incredibly useful to be able to see the API calls being made in your browser. This allows developers to debug and troubleshoot their code, analyze network traffic, and gain insights into how their applications interact with external services. In this article, we will explore how to see API calls in Google Chrome, one of the most popular web browsers used by developers.

Using the Chrome Developer Tools

Chrome Developer Tools is a powerful set of web development and debugging tools built into Google Chrome. It provides a range of features that can help developers analyze and optimize their websites and web applications. To see API calls in Chrome, follow these steps:

1. Open the website or web application in Google Chrome that you want to inspect.
2. Right-click anywhere on the page and select “Inspect” from the context menu. Alternatively, you can press `Ctrl + Shift + I` (or `Cmd + Option + I` on a Mac) to open the Developer Tools.
3. In the Developer Tools panel that opens, navigate to the “Network” tab. This tab displays all the network requests made by the website or application.
4. Refresh the page or trigger the action that makes the API call you want to inspect.
5. In the Network tab, you will see a list of all the requests made by the page. Look for the specific API call you are interested in. You can filter the requests by various criteria such as XHR (XMLHttpRequest), Fetch, or other request types using the filter options at the top of the Network tab.
6. Click on the API call in the list to view detailed information about the request and response. You can see the request headers, response headers, request payload, and response data. You can also view the timing information, including the time taken for DNS lookup, connection establishment, and data transfer.

Additional Features and Tips

Preserving Logs: By default, the Network tab in Chrome Developer Tools clears the log every time you navigate to a new page or refresh the current page. However, you can preserve the logs by enabling the “Preserve log” option. This can be useful when you want to inspect API calls across multiple pages or after a page reload.

Filtering and Sorting: The Network tab provides various filtering and sorting options to help you find specific API calls quickly. You can filter requests by different criteria, such as domain, method, status, and more. Additionally, you can sort the requests based on different parameters, such as size, time, or priority.

Request Blocking: Chrome Developer Tools also allows you to simulate different network conditions by blocking specific requests. This can be helpful when testing how your application handles errors or slow network connections. To block a request, right-click on it in the Network tab and select “Block Request URL” or “Block Request Domain.”


Being able to see API calls in Chrome using the Developer Tools is an invaluable skill for developers. It allows for efficient debugging, performance optimization, and understanding of how web applications interact with APIs. By following the steps outlined in this article, you can easily inspect and analyze API calls in Google Chrome, gaining valuable insights into your application’s behavior.