OpenAI's API auth is project-first now. For most developers, `OPENAI_API_KEY` is enough. Organization ID and project ID still matter, but mainly when you must choose scope explicitly or when you're using admin endpoints rather than normal inference.
If you want the Brave Search API today, start by choosing between Search and Answers. Search is the better default when you want raw results, LLM Context, or specialized search endpoints and still own the application logic yourself. Answers is the OpenAI-compatible path when you want Brave to return the grounded answer.
If you want a truly free AI image generation API in 2026, the honest answer is narrower than most search results suggest. The big direct-provider APIs are paid, and the real free options are mostly small testing paths.
Gemini 3.1 Flash Live still shows free API pricing in March 2026, but that is only the first layer of the answer. This guide explains what is actually free, where your real limits now live, and when free is the wrong contract for a voice app.
If you mean Google's new real-time voice model, the official model ID is `gemini-3.1-flash-live-preview` and you use it through the Gemini Live API. Start new voice-agent work on 3.1, but do not assume it is a drop-in replacement for Gemini 2.5 Flash Live.
A Nano Banana 2 429 error does not always mean you need a new model. This guide shows when to switch to GPT Image 1.5, when FLUX is the better non-Google route, and when the real fix is keeping Nano Banana 2 while changing your quota path.
Yes, OpenAI has an official developer video API today, but the cleanest way to think about it is as the Videos API powered by Sora 2 and Sora 2 Pro. This guide separates the consumer Sora app from the developer surface, shows the fastest working integration path, and explains current pricing, advanced endpoints, and the docs mismatch developers should know about.
The best free image API depends on more than price. This guide shows when to choose Unsplash, Pexels, Pixabay, or Wikimedia Commons based on attribution rules, hosting model, and integration risk.
The definitive 2026 guide to the Gemini Image API: covers all five models from Nano Banana to Imagen 4, working code examples in Python, Node.js, and cURL, complete pricing breakdown, free tier limits, and how to use relay APIs for unrestricted access at lower cost.
Getting 429 RESOURCE_EXHAUSTED errors when generating images with Gemini API? This guide provides 5 production-ready solutions — from exponential backoff to API proxy services — with code examples in Python and Node.js. Learn to diagnose which of the 4 rate limit dimensions (RPM, RPD, TPM, IPM) you are hitting and choose the right fix for your use case.
OpenAI launched GPT-5.4 on March 5, 2026 with no official free API tier. But developers have five legitimate pathways to access it at zero or near-zero cost. This guide covers every method with exact limits, working code, and a prompt caching strategy that cuts costs by 90%.
Getting a Gemini API key takes under 5 minutes. Upgrading to Tier 3 (T3) — the highest commercial quota at 4,000+ RPM — requires either $1,000 in cumulative Google Cloud spending plus 30 days, or a direct Enterprise sales contact. This complete 2026 guide walks you through every step.
Every Gemini API error explained with working fixes. Covers 429 RESOURCE_EXHAUSTED, 400 INVALID_ARGUMENT, 500 INTERNAL, 503 UNAVAILABLE, and 504 DEADLINE_EXCEEDED with production-ready retry code in Python and JavaScript. Includes verified rate limits after the December 2025 free tier cuts.
Gemini 3 Pro Image (Nano Banana Pro) has no free API tier as of February 2026. But you can still generate images for free through $300 new-user credits (2,238 images), AI Studio web access, Flash Image free tier, and more. This guide covers every free access path plus cost optimization strategies.
Every Gemini image generation free limit explained — from the Gemini App's 100 images/day to the API's 500 RPD and AI Studio's dynamic 500-1,000/day quota. Learn the channel-stacking strategy that gets you 1,600+ free images daily, plus what changed after December 2025 and when to upgrade.
Getting a 400 invalid_request_error after upgrading to Claude Opus 4.6? Assistant message prefilling has been removed. This guide covers three replacement strategies with before/after code examples in Python, TypeScript, and cURL to fix your integration immediately.
For stable Sora 2 API access in 2026, laozhang.ai's official relay solution ($0.10/sec) offers 99.99% uptime. Their reverse-engineered option at $0.15/video provides 5-star reliability. This guide compares 6 major providers across uptime, success rates, and failure handling.