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Debug gRPC, REST, SSE, and WebSocket APIs from a single, privacy-first workspace.

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Tracked since2026
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The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Supports a wide range of API types and protocols in one tool

Biggest con

Advanced scripting and testing features are only available in paid plans

TL;DR - Kreya

  • Unified client for gRPC, REST, SSE, and WebSocket APIs.
  • Supports advanced features like scripting, snapshot testing, and Git-native collaboration.
  • Privacy-first design with all data stored locally on the device.
Pricing: Free plan available
Best for: Growing teams

What is Kreya?

Editorial review
Kreya is a unified API client designed for developers to debug and interact with various API types including gRPC, REST, Server-Sent Events (SSE), and WebSockets from a single workspace. It supports modern protocols like HTTP/1.1, HTTP/2, and HTTP/3, and offers flexible transport options including HTTP, Unix domain sockets, and Windows named pipes. This tool is ideal for individual developers and teams working with diverse API ecosystems, especially those in regulated industries due to its privacy-first architecture where all data remains on the user's device. Kreya streamlines API development and testing by allowing users to sync API definitions from OpenAPI specs and protobufs, automate workflows with JavaScript scripting, and perform snapshot tests to detect regressions. It also facilitates collaboration through Git-native project sharing and offers seamless migration from existing tools like Postman and Insomnia.

Available on: macOS, Windows, Linux

Pros & Cons

Pros

  • Supports a wide range of API types and protocols in one tool
  • Privacy-first architecture keeps all data on the user's device
  • Powerful automation and testing capabilities with scripting and snapshot tests
  • Facilitates team collaboration with Git-native project management
  • Easy migration from other popular API clients

Cons

  • Advanced scripting and testing features are only available in paid plans
  • Priority support is limited to paid plans
  • Offline license option is only available for Enterprise users

Preview

Key Features

Debug gRPC, REST, Server-Sent Events, and WebSocket APIsSync API definitions from OpenAPI and ProtobufsInspect streaming, unary, and multi-channel traffic with HTTP/1.1, HTTP/2, HTTP/3 supportConnect over HTTP, local Unix domain sockets, or Windows named pipesBaseline responses and diff snapshots automatically to detect regressionsAutomate repetitive flows with JavaScript, variables, and hooksRun Kreya CLI headlessly in CI/CD with JUnit reportsExtend requests with npm modules for customizable API tests

Pricing Plans

Free Trial

Pricing checked Jun 14, 2026

Free

Free

Everything in all plans, plus:

  • Request history (Only latest request)
  • Via GitHub support
  • Credit card payment

Pro

Contact us

Everything in all plans, plus:

  • Request history
  • Powerful scripting integration
  • Defining tests
  • Collections
  • Scripts
  • Snapshot testing
  • View timing details
  • Secret manager integration

Enterprise

Contact us

Everything in all plans, plus:

  • Request history
  • Powerful scripting integration
  • Defining tests
  • Collections
  • Scripts
  • Snapshot testing
  • View timing details
  • Secret manager integration

Included in all plans

  • gRPC
  • REST
  • WebSockets
  • Server-sent events
  • Extensive documentation
  • Full control over data & privacy
  • HTTP/2
  • HTTP/3

Reviews

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Kreya FAQ

How does Kreya support diverse API development needs?

Kreya allows developers to debug and interact with multiple API types, including gRPC, REST, Server-Sent Events (SSE), and WebSockets, all from a unified workspace. It supports modern protocols like HTTP/1.1, HTTP/2, and HTTP/3, and offers flexible transport options such as HTTP, Unix domain sockets, and Windows named pipes.

Which teams benefit most from using Kreya?

Kreya is ideal for individual developers and teams that work with diverse API ecosystems, particularly those in regulated industries. Its privacy-first architecture, which keeps all data on the user's device, makes it suitable for environments requiring strict data handling.

How does Kreya compare to Postman in terms of data privacy?

Kreya distinguishes itself with a privacy-first architecture where all user data remains on the user's device, which is beneficial for sensitive projects. It offers a unified client for various API types, including gRPC and SSE, alongside REST and WebSockets.

What kind of automation and testing capabilities does Kreya offer?

Kreya enables users to automate workflows through JavaScript scripting and perform snapshot tests to detect regressions in API behavior. It also allows for syncing API definitions from OpenAPI specs and protobufs to streamline development and testing.

Does Kreya include a free tier?

Yes, Kreya is available on a free tier, which provides access to core functionalities. Paid plans are offered for users requiring more extensive usage and advanced features, such as enhanced scripting and testing capabilities.

What are the limitations regarding advanced features in Kreya?

Advanced scripting and testing functionalities within Kreya are exclusively available in its paid plans. Additionally, priority customer support is reserved for users on paid subscriptions, and an offline license option is only provided for Enterprise users.

Source: kreya.app

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