📣 Requestly API Client – Free Forever & Open Source. A powerful alternative to Postman. Try now ->

Open Source

Free & Open-Source Alternative to Postman

All-in-one platform to Test, Mock and Intercept APIs.
Built for speed, privacy and offline support.

Try now ->
Documentation
4.8 ⭐  1100+ Ratings, 200,000+ developers

Trusted by 200,000+ developers from Fortune 500 companies.

Tired of Postman’s bloated setup?
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Requestly’s lightweight API client

Fast & Powerful

Designed to work quickly and smoothly.

One-click import

Import your settings easily with just one click.

No Login Required

Start testing your APIs with zero setup.

Flexible Workspaces

Seamlessly switch between cloud and local

Rest API Playground​

Save all your APIs at one place and test them whenever you need.

Pre & Post Scripts

Pre-request scripts allow you to adjust requests before they’re sent, while post-response scripts help you process responses once they’re received.

Easy Import/Export

Import and export API contracts and collections from various sources (cURL, Postman, OpenAPI).

Multi-Workspace View

It allows users to view/manage multiple local workspaces simultaneously.
Multi-Workspace View

Organize APIs in Collections

Easy to group and organise APIs in folders. Collections can be exported or shared.
Organize APIs in Collections

Environment Variables

Variables that change based on the environment you are working.
Environment Variables
Authorization Management​
Manage all your authorization details in one place. Easily organize them at collection or request level.​
Local Workspaces​
Keep everything private and under your control, no cloud storage, just secure local files​
Logs History​
We keep a local log of API calls so that you can easily refer old API calls you made, comes in handy during API development.​
Team Workspace
Optionally collaborate with your teammates in a common workspace.
Git Sync
Keep your API Collection in sync with a Git repository and collaborate using Git.
Role Based Access Control
Assign Admin, Editor or Viewer roles to team members with just a few clicks.
Features
Postman
Requestly
Free
Lightweight
Login Free
Local workspace
Scripts
Collaboration
Mock server
Open source
Enterprise-ready
Support
Postman To Requestly
Migrate from Postman to Requestly in a single click

Import your Postman Collection and Environment to Requestly with 1-click and enhance your web development experience. Click the button below to learn more.

Secure and private

Enterprise-ready security and compliance

Requestly ensures top-tier security with SOC-II compliance, SSO integration, and role-based access control. We protect your data and secure your workflows, making us the ideal choice for enterprises.
Requestly security and compliance

SOC-II Compliance

Adheres to rigorous security standards for data protection and privacy.

Single Sign-On (SSO)

Simplifies user access with secure, centralized authentication.

Role-based access control

Ensures precise control over user permissions and data access.

Data encryption

Protects your data in transit and at rest with advanced encryption protocols.

Audit logs

Protects your data in transit and at rest with advanced encryption protocols.

Regular security updates

Keeps your environment secure with timely updates and patches.
Customers love us

Loved by developers around the World

Developers around the world trust us to simplify debugging, speed up workflows, and make development more efficient.