Keploy vs Insomnia: Which is Better in 2026?
Choosing between Keploy and Insomnia comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Keploy
AI-powered API testing that records and replays real traffic
Best for you if:
- • You value community feedback (1 reviews)
- • Keploy automatically generates API test cases and mocks from real application traffic, reducing manual testing effort.
- • It helps developers improve regression testing and backend test coverage with seamless CI/CD integration.
Insomnia
API client for REST and GraphQL
Best for you if:
- • 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
| At a Glance |  Insomnia | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | API Tools | API Tools |
Rating | 4.9/5 | 4.3/5 |
Free plan | Yes | Yes |
Choose Keploy or Insomnia?
Choose Keploy if
AI-powered API testing that records and replays real traffic
- Automatically generates test cases from real API traffic, reducing manual test-writing effort
- Open-source and free to use, making it cost-effective for startups and development teams
- Supports API testing, regression testing, and mock testing in a single workflow
Choose Insomnia if
API client for REST and GraphQL
- 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
- Budget matters (Free vs Free)
| Feature | Keploy | Insomnia |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.9/5 47 reviews | ★4.3/5 15 reviews |
| Categories | API ToolsTesting & QA | API ToolsDeveloper Tools |
In-Depth Analysis
Keploy
AI-powered API testing that records and replays real traffic
Strengths
- +Automatically generates test cases from real API traffic, reducing manual test-writing effort
- +Open-source and free to use, making it cost-effective for startups and development teams
- +Supports API testing, regression testing, and mock testing in a single workflow
- +Helps improve test coverage by capturing real-world application behavior
- +Integrates smoothly with CI/CD pipelines for automated testing workflows
Weaknesses
- -Primarily focused on backend and API testing rather than frontend UI testing
- -Usage limits may feel restrictive on certain plans
Key features
Value 95/100. Keploy's Playground tier is incredibly generous, offering significant testing capabilities for free, making it highly accessible for individual developers and small teams.
Watch out: Overage charges for usage beyond Pro credit
Insomnia
API client for REST and GraphQL
Strengths
- +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
Weaknesses
- -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
Key features
Value 85/100. Insomnia's pricing is quite generous, especially with its robust free 'Essentials' tier which offers significant functionality for individual developers and small teams.
Watch out: Overage fees for mock server requests on Pro tier
Pricing: Keploy vs Insomnia
| Plan | Keploy | Insomnia |
|---|---|---|
| Tier 1 | Free Playground | Free Essentials |
| Tier 2 | $19 year Pro | $12 Pro |
| Tier 3 | N/A | $45 Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Keploy pricing and Insomnia pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Keploy
Want the highest-rated option?
Keploy: 4.9/5 (47 reviews). Insomnia: 4.3/5 (15 reviews).
Go with: Keploy
Value user reviews?
Keploy: 47 reviews (4.9/5). Insomnia: 15 reviews (4.3/5).
Go with: Keploy
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are api tools tools. Compare their specific features to decide.
How important are ratings?
Keploy is rated higher: 4.9/5 vs 4.3/5.
Key Takeaways
Keploy
- Higher user rating: 4.9/5 vs 4.3/5
- Larger review base (47 reviews)
- Free tier available
- Our pick for this comparison
Insomnia
- Choose if you want aPI client for REST and GraphQL
The Bottom Line
Keploy (5.0/5) is our pick.
What Users Say
Keploy Reviews
Great Tool for Automated API Testing
What I like most about Keploy is how it simplifies backend testing for developers. Its automated test generation saves time and reduces the manual effort usually required for maintaining test cases. I also admire the company’s open-source mindset and clear vision toward improving developer productivity. The collaborative and fast-moving environment makes it a great platform for learning, contributing, and building impactful solutions
Frequently Asked Questions
Is Keploy or Insomnia better?
Keploy is rated 5.0/5 in our evaluation. Both are freemium.
What are Keploy and Insomnia used for?
Keploy: AI-powered API testing that records and replays real traffic. Insomnia: API client for REST and GraphQL.
What does Keploy cost vs Insomnia?
Keploy is freemium (free tier + paid plans). Insomnia is freemium (free tier + paid plans). Visit their websites for detailed pricing.