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#http3 (8)

Concepts (1)

APIs

A versioned contract between two pieces of software — endpoints, verbs, payload shapes, errors, and auth — that decouples a caller from an implementation.
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Cheat sheets (7)

aria2c Download Utility

Fast, multi-protocol download utility supporting HTTP(S), FTP, SFTP, BitTorrent, and Metalink with resumption and parallel connections.
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curl — HTTP Client

Transfer data with URLs. Covers HTTP methods, headers, authentication, forms, TLS, cookies, proxies, timeouts, parallel downloads, and a comprehensive recipe collection.
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wget — File Downloader

Non-interactive network downloader. Covers single and batch downloads, recursive mirroring, authentication, resuming, rate limiting, and site archiving.
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httpx — Modern HTTP Client

Make sync and async HTTP requests with httpx. Covers GET/POST, async usage, HTTP/2, streaming, and how it compares to requests.
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requests — HTTP for Humans

Make HTTP requests in Python with the requests library. Covers GET/POST, JSON, sessions, authentication, retries, and common pitfalls.
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Fetch API

The browser and Node 18+ built-in HTTP client that returns Promises. Covers GET/POST/PUT/DELETE, headers, error handling, streaming, AbortController, uploads, credentials, and CORS.
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Python CLI Snippets

Short standalone Python scripts for common tasks — file I/O, JSON manipulation, HTTP requests, CSV processing, and data transformation.
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