Insomnia vs Postman

Postman’s mandatory cloud storage may not align with customers’ data policies. Additionally, the ability to expose private workspaces and collections to the outside world can allow for hackers to more easily steal API credentials.

Read on to learn how Insomnia can help safeguard your APIs while reducing TCO by up to 50%.

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Trusted by 600+ large and small customers across all industries

Why Insomnia?

Prioritize security & compliance

You will not be required to host your data in the Cloud. Choose the storage location that is most compliant for your organization: Local Vault, Git Sync, or Cloud Sync.

Boost developer efficiency

Don't let Postman’s complex UI hinder your productivity. Insomnia’s lightweight and intuitive solution makes collaborating on API development a more streamlined and enjoyable process.

Realize cost savings

Reduce licensing costs by up to 50% per user*. Access the same core functionality as Postman while addressing any edge use cases with Insomnia’s rich ecosystem of plugins.

A Head-to-Head Comparison

For a detailed feature comparison, download the PDF.

Download the Insomnia vs Postman PDF

Capabilities

Insomnia

Postman

Security & Compliance

Enterprise SSO

Enterprise RBAC

Invite Control

Third-party vault integrations

Advanced Security Administration OOTB

Storage Flexibility

Local, Git, or Cloud

Cloud-only storage

Storage Control

Mandate a storage location as the single source of truth in the organization

No ability to mandate storage control in the organization

Collection Governance

Collections will never be externally available

Poor external collection governance

Developer Efficiency & Experience

Open Source Core

Lightweight Architecture

Streamlined UI

GenAI Support

Extensibility

350+ community-built plugins

No plugin architecture

Accessibility

Accessible and keyboard friendly

Limited accessibility

Licensing & Support

Team-friendly Licensing

Full API Lifecycle Support

Core Use Cases

Multi-protocol Support

Collections

Unlimited Collection Runs OOTB

API Builder OOTB

Self-hosted API Mocking

Cloud-hosted API Mocking

Global Environments

Environment Variables

Code Generation

Live Preview

OpenAPI Linting

Faker.js Support

Scratch Pad

Real-time Collaboration

Git Sync

Native CLI

API Documentation

Pre-request Scripts

After-response Scripts

Write tests within a collection to verify that the responses match the desired output

This is referred to as post-response scripts in Postman

Organizations

Share collections and environments with your colleagues via Insomnia organizations

Postman refers to their concept of Organizations as Workspaces

* Based on data from customers who have switched from Postman. Results may vary per customer. 

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