#API.
7 posts filed under this topic.
OpenAI Codex & Agents Cheatsheet (2026 Edition)
Master the OpenAI Agents SDK and Codex API. Essential code snippets for function calling, strict JSON schemas, and reliable code generation.
MCP vs Function Calling: What's the Actual Difference?
MCP and function calling both let AI models use tools. But they work very differently. Here's the comparison.
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.
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.
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.