Peek is a modern, lightning-fast HTTP inspector and API debugging tool for developers who care about speed and simplicity. Test REST APIs, inspect HTTP headers, analyze JSON/XML responses, and debug network issues — all in a beautiful, intuitive interface. Built with Rust for maximum performance.
{
"login": "ropean",
"name": "Ropean",
"public_repos": 42,
"followers": 1337
}
Powerful HTTP inspection features wrapped in a simple, intuitive interface designed for modern developers
Built with Rust for maximum performance. Zero latency, instant responses, minimal memory footprint.
Full HTTPS support with certificate validation. Toggle SSL verification for development environments.
Add any custom headers, authentication tokens, and configure advanced request parameters.
Automatic JSON, XML, and HTML formatting. Syntax highlighting for easy reading.
View DNS resolution, IP addresses, response times, and detailed connection information.
Run multiple requests in parallel with configurable concurrency limits via CLI.
The same powerful HTTP inspection engine, now scriptable and automation-ready. Perfect for CI/CD pipelines, API monitoring, load testing, and automated workflows. Integrate peek into your development pipeline.
$ peek https://api.github.com
# Quick GET request
$ peek -X POST -H "Content-Type: application/json" \
-d '{"key":"value"}' https://api.example.com
# POST with custom headers
$ peek batch -c 10 -f json urls.txt
# Batch process 10 concurrent requests
✓ Processed 150 requests in 2.3s
Choose your operating system and start debugging HTTP requests, testing APIs, and inspecting network traffic today. 100% free and open source. Version 1.1.4 now available.
Optimized for Apple Silicon. Native performance for HTTP debugging on M1/M2/M3 Macs.
Download for macOS (ARM64)Universal binary for modern Linux distributions. Works on Ubuntu, Fedora, Arch, and more.
Download for Linux (x64)Portable executable - no installation needed. Double-click to launch GUI, or use from command line.
Download for Windows (x64)Prefer to build from source? Check out the GitHub repository • View all releases
Join thousands of developers worldwide who trust peek for fast, reliable HTTP inspection and API testing. Start debugging like a pro today.