A lightweight and secure API Client for faster API Development & Testing

API Collections

Local & Team Workspaces

Import from Postman & Bruno

HTTP Interceptor

A Powerful HTTP Interceptor to Intercept, Record, Debug & Modify HTTP Requests

Replace Rule (Switch Domain)

Modify API Response

Modify Request Body

Modify HTTP Headers

Insert Custom Scripts

Modify Query Param

Cross Device Testing

Block Network Requests

Build frontend faster without waiting for backend.

Modify API responses

Modify API request body

Modify HTTP Status Code

Create Mock Endpoints

Supports GraphQL API Overrides

Frontend Web/Mobile Developers

Requestly improves front-end workflows with local JS testing, mocking, and SessionBook debugging.

For QA engineers

QA engineers love Requestly for its features and ease of use, allowing easy edge case testing.

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Support engineers value Requestly for debugging, demoing, and overriding GTM and Adobe scripts.

Backend Developers

Requestly helps in improving back-end development workflows, by enabling testing.

Requestly vs Postman

Student Programme

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Chrome extension

Instant & lightweight. Run the Requestly right inside your browser. Design, test, and mock APIs with collections, environments, and scripts.

More browsers ->

Mac app

Local-first and more powerful. Use the Requestly on your desktop to design, test, and mock APIs across web, mobile, and desktop apps.

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More platforms ->

A lightweight and secure API Client for faster API Development & Testing

API Collections

Local & Team Workspaces

Import from Postman & Bruno

HTTP Interceptor

A Powerful HTTP Interceptor to Intercept, Record, Debug & Modify HTTP Requests

Replace Rule (Switch Domain)

Modify API Response

Modify Request Body

Modify HTTP Headers

Insert Custom Scripts

Modify Query Param

Cross Device Testing

Block Network Requests

Build frontend faster without waiting for backend.

Modify API responses

Modify API request body

Modify HTTP Status Code

Create Mock Endpoints

Supports GraphQL API Overrides

Student Programme

📣 Requestly – Modern git-based API Client. No login required. Switch from Postman in 1 click. Try now ->

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Copyright © 2026 BrowserStack, Inc. All rights reserved.

Features

Redirect URL Replace Rule Modify API Response Modify Headers Insert Scripts Modify Query Param Cross Device Test GraphQL APIs

Resources

Pricing Blog Use Cases Academy Privacy Policy Terms of Service Refunds and Cancellations

Company

About Us Contact Us Careers Press EULA Community Guidelines

Compliance

SOC2 DPA GDPR Great Place

Developers

Release notes Report issues GraphQL support OSS friends Github Join Community

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Compliance & accreditations

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Charles Proxy Wireshark Insomnia

Modheader Fiddler Bruno

Proxyman Mockoon

HTTP Toolkit Postman

Resource Override Hoppscotch

Open-Source API Mocking & Testing Tool

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Copyright © 2026 BrowserStack, Inc. All rights reserved.

Features

Save & Organize Requests Environment Variables GraphQL APIs Pre & Post Scripts API Test Generator Collection runner Import / Export Collaboration & Sharing

Resources

Pricing Blog Use Cases Academy Privacy Policy Terms of Service Refunds and Cancellations

Company

About Us Contact Us Careers Press EULA Community Guidelines

Compliance

SOC2 DPA GDPR Great Place

Developers

Release notes Report issues GraphQL support OSS friends Github Join Community

Get Requestly

Compliance & accreditations

Compare Requestly with

How to Guides

Import Postman Collections into Requestly: Migration Guide

Introducing Dynamic Variables: Generate Realistic Test Data Instantly

How to Write Scripts to Validate API Response Data

What is cURL? Complete Guide to cURL Commands, Options & API Testing

How to convert OpenAPI spec to an API collection

Case Studies

How Upscayl Made API Testing Repo-Native with Requestly

How Cyrisma Managed 125K APIs with Requestly

AB Tasty scales testing and demos with Requestly