Developer Tools Ajax Capture Debugging Tool

6 Capture

This extension allows you to capture AJAX HTTP requests and responses made to an API from any websites such as from a React single-page app. View the REST API traffic in a workspace which is saved for 30-days. The workspace URL is shareable like a Google Doc link and protected by a time-limited signed URL.

Background: When debugging single-page apps by inspecting API network traffic, often developers need to manually copy/paste the JSON payload to share with others for help on API behavior. The capture tool allows you to do that much easier.

What makes this tool different?

Compared to other API request captures tools like Postman Interceptor, we actually captures the entire API call (i.e. both request and response and full headers and body) and make it easily sharable.

About the latest update: now this chrome extension works with some website that had stricter policy.

Note: If you are a developer for the website that you want to capture all API calls (aka Ajax calls), the most robust solutions is to use our free browser SDK:

You will need a free Moesif account, but the features and queries are much more advanced. You only need the below code snippet


// Initialize the SDK. Must be called before any other methods
applicationId: “Your Moesif Application Id”,

// Start capturing AJAX API Calls.


About Moesif:

Moesif ( enables API teams at UPS, Radar, Deloitte, and others to deeply understand customer API usage and ship better API products with user-centric API analytics and monitoring, which enables you to:
– Understand customer API usage with user behavior analytics.
– Debug issues quickly with high-cardinality API logs and metrics.
– Get alerted of problems that impact customers.
– Track API KPIs with custom dashboards.
– Trigger behavioral emails that keep customers informed.
– Detect and Block API threats and abuse including OWASP Top 10 API threats. Ajax Capture Debugging Tool
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