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Keploy vs Postman: Which is Better in 2026?

Choosing between Keploy and Postman 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.

Bottom line: Keploy is our overall pick for API tools workflows. Pick Postman if you need a free tier to start with.

··Methodology
Editor reviewed1 verified reviews comparedPricing checked Jun 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Keploy

Open Source AI-Powered API, Integration, Unit Testing Agent for Developers

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.

Postman

API platform for building and using APIs

Best for you if:

  • Industry-standard API platform supporting HTTP, GraphQL, gRPC, WebSocket, and MQTT in one workspace
  • Free tier includes unlimited collection runs, mock servers, and 50 AI credits per month
At a Glance
KeployKeploy
PostmanPostman
Starts at
FreeFree tier available
FreeFree tier available
Best For
API ToolsAPI Tools
Rating
4.9/54.7/5

Choose Keploy or Postman?

Keploy

Choose Keploy if

Open Source AI-Powered API, Integration, Unit Testing Agent for Developers

  • 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
Postman

Choose Postman if

API platform for building and using APIs

  • Supports virtually every API protocol in one unified interface
  • Generous free tier with unlimited collection runs and mock servers
  • Industry-leading collaboration features for distributed teams
  • Budget matters (Free vs Free)
FeatureKeployPostman
Pricing ModelFreemiumFreemium
User Rating
4.9/5
47 reviews
4.7/5
2,287 reviews
Categories
API ToolsTesting & QA
API ToolsDeveloper Tools

In-Depth Analysis

KeployKeploy

Open Source AI-Powered API, Integration, Unit Testing Agent for Developers

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
  • -Credit limits may feel restrictive on Free and Solo plans

Key features

Auto-generates API tests from real trafficBuilt-in mocking & record-replay for complete environment simulationAI-powered testing with CI/CD integration
Starts at Free · 5.0/5 from 1 reviews

PostmanPostman

API platform for building and using APIs

Strengths

  • +Supports virtually every API protocol in one unified interface
  • +Generous free tier with unlimited collection runs and mock servers
  • +Industry-leading collaboration features for distributed teams
  • +Extensive ecosystem with pre-built integrations and community collections
  • +Built-in AI credits for generating tests, documentation, and queries

Weaknesses

  • -Desktop app can consume significant memory with large collections
  • -AI credit limits may feel restrictive on Free and Solo plans
  • -Enterprise features like RBAC and audit logs require the highest tier
  • -Steep learning curve for advanced features like Flows and monitoring
  • -Cloud-first approach may concern teams with strict data residency needs

Key features

API client for HTTP, GraphQL, gRPC, WebSocket, and MQTT requestsShared workspaces and collections for team collaborationAutomated testing with Collection Runner and Postman CLIMock servers for simulating API responses during developmentAI agent mode for automating API workflows and code generationNative Git integration for version-controlled API specs
Starts at Free

Pricing: Keploy vs Postman

PlanKeployPostman
Tier 1
Free
Playground
Free
Free
Tier 2
$19 year
Pro
$9 month
Solo
Tier 3N/A
$19 month
Team
Tier 4N/A
$49 month
Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on Keploy pricing and Postman 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). Postman: 4.7/5 (2,287 reviews).

Go with: Keploy

Value user reviews?

Keploy: 47 reviews (4.9/5). Postman: 2,287 reviews (4.7/5).

Go with: Postman

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

Both are api tools tools. Compare their specific features to decide.

3

How important are ratings?

Keploy is rated higher: 4.9/5 vs 4.7/5.

Key Takeaways

Keploy

  • Higher user rating: 4.9/5 vs 4.7/5
  • More user reviews (1)
  • Free tier available
  • Our pick for this comparison

Postman

  • Larger review base (2,287 reviews)

The Bottom Line

Keploy (5.0/5) is our pick.

What Users Say

Keploy Reviews

★★★★★Verified

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

View all reviews →

Postman Reviews

No reviews yet

View all reviews →

Frequently Asked Questions

Is Keploy or Postman better?

Keploy is rated 5.0/5 in our evaluation. Both are freemium.

What are Keploy and Postman used for?

Keploy: Open Source AI-Powered API, Integration, Unit Testing Agent for Developers. Postman: API platform for building and using APIs.

What does Keploy cost vs Postman?

Keploy is freemium (free tier + paid plans). Postman is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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