API client for REST and GraphQL
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15 reviews trackedThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Supports 7+ API protocols in a single tool, no need for separate clients
Biggest con
Git Sync limited to 3 users on the free plan
TL;DR - Insomnia
- 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
Pricing: Free plan available
Best for: Growing teams
4.3/5 across review platforms
What is Insomnia?
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
Pros & Cons
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
Ratings Across the Web
4.3(15 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
Multi-protocol support: REST, GraphQL, gRPC, WebSocket, SSE, Socket.io, SOAPGit Sync for version-controlled API collections and team collaborationAutomated collection runners for API test suites and CI/CD pipelinesAI-powered mock server generation and commit messagesEnvironment variable management with inheritance and secret maskingInso CLI for running API tests in continuous integration pipelinesNative vault integrations (AWS Secrets Manager, GCP, HashiCorp, Azure)End-to-end encryption for cloud-synced API collectionsPlugin system for custom authentication, themes, and request hooksOpenAPI spec import/export and design-first API development
Pricing Plans
Pricing checked Jul 4, 2026
Essentials
Free
- Unlimited local and cloud projects
- Git Sync for up to 3 users
- Unlimited collection runs and environments
- 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)
- 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
- Native vault integrations (AWS, GCP, HashiCorp, Azure)
- Unlimited mock server requests
- SOC2 compliance documentation
- Enterprise support and professional services
How Insomnia's pricing compares
At $12/mo, Insomnia is mid-range of its 4 direct competitors ($6 to $19/mo across the set).
Entry paid plan, monthly. Pricing checked Jul 4, 2026.
Reviews
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4.3/5
Across 15 verified user reviews on G2
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Explore More
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.
Source: insomnia.rest