#API.
5 posts filed under this topic.
curl Cheat Sheet: API Testing, Auth & File Upload
Complete curl reference — GET and POST requests, headers, authentication, file upload, response inspection, timing breakdown, webhook testing, and scripting patterns.
OpenAI API Cheat Sheet: GPT-4o, Tools & Assistants
Complete OpenAI reference — GPT-4o and o-series models, chat completions, function calling, structured output, Assistants API, embeddings, DALL-E 3, and Whisper.
Gemini API Cheat Sheet: 2.5 Pro, Vision & Grounding
Complete Google Gemini reference — Gemini 2.5 Pro and Flash models, generateContent, streaming, vision, JSON output, function calling, Search grounding, and Gemini CLI.
Claude API Cheat Sheet: SDK, CLI, MCP & Prompting
Complete Claude reference — Anthropic API, model IDs, Messages API params, Claude Code CLI commands, MCP setup, tool use, prompt caching, and Batch API.
Install Postman on Ubuntu
Learn how to install Postman on Ubuntu using Snap or the official Linux tarball, with steps for launching, updating, and removing it.