AI API Guides

Step-by-step articles for API key setup, troubleshooting common errors, and provider selection decisions.

API Key Setup8 min read

How to Get a Grok 4.5 API Key (July 2026)

xAI released Grok 4.5 on July 8, 2026 — 1.5 trillion parameters, co-trained with Cursor, priced at $2/M input tokens. This guide covers registration, key creation, your first API call, error fixes, and how Grok 4.5 compares to rivals.

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API Key Setup8 min read

How to Get a Kimi K3 API Key (July 2026)

Kimi K3 is Moonshot AI's latest flagship — 2.8 trillion parameters, 1M context window, open-source weights releasing July 27. This guide walks through registration, key creation, your first API call, common error fixes, and a pricing comparison.

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API Key Setup8 min read

Claude API Key Setup Guide for New Teams

Set up Anthropic API access, verify request headers, and prepare rate-limit-aware integration from day one.

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API Key Setup7 min read

Gemini API Key Quickstart: From AI Studio to First Call

Set up a Gemini API key in Google AI Studio, secure it correctly, and verify your first request with minimal friction.

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Troubleshooting9 min read

OpenAI 401 and 429 Errors: Practical Fix Checklist

Diagnose unauthorized and rate/quota errors quickly with a production-ready checklist based on official OpenAI guidance.

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API Key Setup8 min read

How to Create and Safely Use an OpenAI API Key (2026)

A practical walkthrough for creating an OpenAI API key, setting permissions, and avoiding common security mistakes.

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We prioritize official documentation and practical implementation details. Every guide includes a checked date and source links so you can verify technical details quickly.