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Reviews on G2
21 reviews tracked

The Bottom Line

Price
From $12/mo (free plan available). Compare plans

Key facts

  • Open-source API client by Kong supporting REST, GraphQL, gRPC, WebSocket, SSE, SOAP, and Socket.io in one tool
  • Free tier includes unlimited local projects, collection runners, and Inso CLI for CI/CD integration
  • Pro plan at $12/user/month adds unlimited Git Sync users, RBAC, and 10K mock server requests

Pros

  • Supports 7+ API protocols in a single tool, no need for separate clients
  • Free tier includes unlimited local projects, collection runs, and environments
  • Git Sync provides true version control without vendor lock-in
  • Open-source core means transparency and community-driven development
  • Inso CLI integrates API testing directly into CI/CD pipelines
  • Clean, intuitive interface with a minimal learning curve for new users

Cons

  • Git Sync limited to 3 users on the free plan
  • Mock server requests capped at 1,000/month on the free tier
  • Enterprise SSO (SAML/OIDC) only available on the $45/user/month plan
  • Desktop-only application, no browser-based or mobile client available
  • Some advanced features require a Kong account even for local-only usage

What is Insomnia?

Editorial review
Insomnia is an open-source API development platform built by Kong for designing, testing, and debugging APIs. It supports REST, GraphQL, gRPC, WebSockets, Server-Sent Events, Socket.io, and SOAP protocols in a single desktop client. Insomnia offers Git-based project sync for team collaboration, automated collection runners for API test suites, environment variable management, and AI-powered features including auto-generated mock servers. The platform includes native vault integrations with AWS, GCP, HashiCorp, and Azure for secure credential management. Insomnia is used by teams at Netflix, PayPal, Tesla, Nasdaq, and Zillow for API workflow management.

Available on: Web, macOS, Windows, Linux

Ratings Across the Web

4.4 (21 reviews)

Insomnia holds an aggregate rating of 4.4 out of 5 from 21 reviews across G2, last checked September 1, 2026.

Ratings aggregated from independent review platforms. Learn more

Key Features

  • Multi-protocol support: REST, GraphQL, gRPC, WebSocket, SSE, Socket.io, SOAP
  • Git Sync for version-controlled API collections and team collaboration
  • Automated collection runners for API test suites and CI/CD pipelines
  • AI-powered mock server generation and commit messages
  • Environment variable management with inheritance and secret masking
  • Inso CLI for running API tests in continuous integration pipelines
  • Native vault integrations (AWS Secrets Manager, GCP, HashiCorp, Azure)
  • End-to-end encryption for cloud-synced API collections
  • Plugin system for custom authentication, themes, and request hooks
  • OpenAPI spec import/export and design-first API development

Pricing Plans

Pricing checked Oct 4, 2026

Insomnia plans and prices, checked October 2026
PlanPriceDetails
Essentials

$0

  • Unlimited local and cloud projects
  • Git Sync for up to 3 users
  • Unlimited collection runs and environments
+4 more
  • Inso CLI for CI/CD
  • 1,000 mock server requests/month
  • End-to-end encryption
  • Unlimited plugins
Pro

$12

  • Unlimited users with Git Sync
  • Unlimited organizations
  • Role-based access control (RBAC)
+3 more
  • 10,000 mock server requests/month
  • +$10 per 25K additional mock requests
  • 15% savings on annual billing
Enterprise

$45

  • SSO with SAML/OIDC and SCIM provisioning
  • Storage location mandate
  • Domain capture/lock and invite control
+4 more
  • Native vault integrations (AWS, GCP, HashiCorp, Azure)
  • Unlimited mock server requests
  • SOC2 compliance documentation
  • Enterprise support and professional services

Is Insomnia worth the price?

Good value

Insomnia's pricing is quite generous, especially with its robust free 'Essentials' tier which offers significant functionality for individual developers and small teams.

The 'Pro' tier at $12/month per user is competitive for growing teams needing advanced collaboration and more mock server requests. The 'Enterprise' tier at $45/month per user is standard for large organizations requiring extensive security and compliance features.

Hidden Costs & Gotchas

Overage fees for mock server requests on Pro tier

Annual billing required for 15% Pro savings

Full Insomnia pricing: every plan, hidden costs and alternatives

How Insomnia's pricing compares

At $12/mo, billing unit not specified, Insomnia is mid-range of its 4 comparable direct competitors ($6 to $19/mo across the set).

$10
Insomnia
$12

Entry paid plan, monthly. Pricing checked Oct 4, 2026.

Reviews

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4.4/5

Across 21 verified user reviews on G2

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Insomnia FAQ

How does Insomnia support various API protocols?

Insomnia is a unified desktop client that supports over seven API protocols, including REST, GraphQL, gRPC, WebSockets, Server-Sent Events, Socket.io, and SOAP. This eliminates the need for developers to use separate tools for different API types.

Which teams would benefit most from using Insomnia?

Teams that require robust API development, testing, and debugging capabilities will find Insomnia beneficial. Its features like Git-based project sync and automated collection runners are designed for collaborative API workflow management, as demonstrated by its use at companies like Netflix and Tesla.

How does Insomnia compare to Postman for API development?

Insomnia supports a wider range of API protocols in a single desktop client compared to Postman, including gRPC, WebSockets, and Server-Sent Events. Additionally, Insomnia offers Git Sync for true version control, providing an alternative approach to team collaboration.

What kind of limitations does Insomnia have on its free tier?

The free tier of Insomnia limits Git Sync to three users and caps mock server requests at 1,000 per month. Additionally, it is a desktop-only application, meaning there is no browser-based or mobile client available.

How is Insomnia priced?

Insomnia is available on a free tier that includes unlimited local projects, collection runs, and environments. Paid plans are offered to access more advanced features and increased usage limits, such as expanded Git Sync capabilities and higher mock server request allowances.

Can Insomnia integrate with existing CI/CD pipelines?

Yes, Insomnia includes the Inso CLI, which allows for direct integration of API testing into CI/CD pipelines. This feature helps automate the testing process and ensures API quality throughout the development lifecycle.

Does Insomnia offer secure credential management?

Insomnia provides native vault integrations with major cloud providers like AWS, GCP, HashiCorp, and Azure. These integrations enable secure management of credentials and sensitive data within the API development workflow.

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