v1.0.0 Now Available

One Client. Every Protocol.

Stop juggling multiple tools. Debug HTTP, WebSocket, GraphQL, gRPC, MQTT, and Unix Sockets in one native, privacy-first application.

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Istek App Interface

Multi-Protocol Native

Not just REST. Native support for GraphQL, gRPC, MQTT, WebSocket, and Unix Sockets in one tool.

Privacy First

No accounts, no cloud sync, no tracking. Your data is encrypted locally and stays on your machine.

Rust Powered

Built with Rust and Tauri 2.0 for instant startup, low memory usage, and rock-solid stability.

Built for Speed

Everything is optimized for the developer workflow. No bloat, just power.

Automated Testing

Write test assertions and run them locally or in CI/CD. Validate your APIs with ease.

Mock Server

Instantly generate mock servers from your OpenAPI specs to unblock frontend development.

Scripting & Chaining

Use JavaScript to script pre-request logic, extract variables, and chain complex workflows.

Istek Developer Features

Everything you need

Broadest protocol support in the market.

PROTOCOL
HTTP / REST
PROTOCOL
WebSocket
PROTOCOL
GraphQL
PROTOCOL
gRPC
PROTOCOL
MQTT
PROTOCOL
Unix Socket
PROTOCOL
MCP
PROTOCOL
SSE
๐Ÿงช Test Runner
๐ŸŽญ Mock Server
โšก Scripting
๐Ÿ”’ Local Encrypted
๐Ÿ“ฆ Collections
๐ŸŒ Environments
๐Ÿ“ฅ Import/Export
๐ŸŽฎ Playground
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Ready to streamline your workflow?

Download the most versatile, privacy-first API client today.

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