HTTPCan - Best HTTPBin Alternative | Fully Compatible

A simple, high-performance HTTP request & response service built with Rust and Actix Web. Fully compatible with httpbin.org, with modern streaming and AI-friendly enhancements.

✨ Key Features

HTTPBin Compatible - Use as a drop-in replacement for testing/migration
Modern Streaming - Native SSE and NDJSON, AI-compatible formats (OpenAI/Ollama)
Tiny Docker Image - Less than 10MB, fast to pull and start
Minimal Memory Footprint - Efficient async Rust I/O
High Throughput - Powered by Actix Web + Tokio

📋 API Capabilities

HTTPBin Compatible Endpoints

HTTP Methods: GET, POST, PUT, PATCH, DELETE
Authentication: Basic, Hidden Basic, Digest, Bearer (JWT)
Response Formats: JSON, XML, HTML, robots.txt
Compression: gzip, deflate, brotli
Dynamic Data: UUID generation, bytes, stream, range, delay, drip
Redirects: Relative, absolute, redirect-to with custom URLs
Inspection: Headers, IP, user-agent analysis
Cookies: Full CRUD operations
Images: PNG, JPEG, WebP, SVG support
Status Codes: Test any HTTP status code

HTTPCan Enhancements

Echo Endpoint: Reflects request body and headers
Enhanced Auth: Basic auth with username only, JWT Bearer decode/inspect
Advanced Status: Custom bodies via query/body parameters
Streaming+: SSE/NDJSON with configurable count, delay, and AI formats
File Uploads: Multiple file support across multipart endpoints

🚀 Quick Start

Docker (Recommended):


            docker run -p 8080:8080 ghcr.io/seedvector/httpcan:latest

            curl http://localhost:8080/get

Cargo:


            cargo install httpcan

            httpcan

            curl http://localhost:8080/get

📚 Documentation

OpenAPI Specification: Available at /openapi.json
GitHub Repository: github.com/seedvector/httpcan
Crates.io: crates.io/crates/httpcan

⚠️ Note: This interactive API documentation requires JavaScript to be enabled. Please enable JavaScript in your browser to view the full API reference with live examples and testing capabilities.

🦀 Library Usage

HTTPCan can also be used as a Rust library. Embed the server in your own applications:


          [dependencies]

          httpcan = "0.5"

📄 License

MIT License - Open source and free to use