# SpecAtlas > Canonical fact database for AI / API / hosting / commerce services. Rights, constraints, change logs, and primary sources — structured for LLM and human consumption. ## About - Site: https://atlas.lb-product.com/en - Language: en - Every page has a Markdown twin (append `.md` to any URL). ## Core database modules - [entities](https://atlas.lb-product.com/en/entities) - [rights](https://atlas.lb-product.com/en/rights) - [constraints](https://atlas.lb-product.com/en/constraints) - [sources](https://atlas.lb-product.com/en/sources) - [changes](https://atlas.lb-product.com/en/changes) - [compare](https://atlas.lb-product.com/en/compare) ## Canonical entity pages - [Anthropic API](https://atlas.lb-product.com/en/entities/anthropic-api.md) - [BASE](https://atlas.lb-product.com/en/entities/base.md) - [ChatGPT](https://atlas.lb-product.com/en/entities/chatgpt.md) - [Claude](https://atlas.lb-product.com/en/entities/claude.md) - [Cloudflare Pages](https://atlas.lb-product.com/en/entities/cloudflare-pages.md) - [Cloudflare Workers](https://atlas.lb-product.com/en/entities/cloudflare-workers.md) - [Firebase](https://atlas.lb-product.com/en/entities/firebase.md) - [Fly.io](https://atlas.lb-product.com/en/entities/fly-io.md) - [Gemini](https://atlas.lb-product.com/en/entities/gemini.md) - [GitHub Copilot](https://atlas.lb-product.com/en/entities/github-copilot.md) - [Google Gemini API](https://atlas.lb-product.com/en/entities/google-gemini-api.md) - [Groq](https://atlas.lb-product.com/en/entities/groq.md) - [Hugging Face](https://atlas.lb-product.com/en/entities/hugging-face.md) - [Mistral AI](https://atlas.lb-product.com/en/entities/mistral.md) - [Netlify](https://atlas.lb-product.com/en/entities/netlify.md) - [OpenAI API](https://atlas.lb-product.com/en/entities/openai-api.md) - [PayPal](https://atlas.lb-product.com/en/entities/paypal.md) - [Perplexity](https://atlas.lb-product.com/en/entities/perplexity.md) - [Railway](https://atlas.lb-product.com/en/entities/railway.md) - [Render](https://atlas.lb-product.com/en/entities/render.md) - [Replicate](https://atlas.lb-product.com/en/entities/replicate.md) - [Shopify](https://atlas.lb-product.com/en/entities/shopify.md) - [STORES](https://atlas.lb-product.com/en/entities/stores.md) - [Stripe](https://atlas.lb-product.com/en/entities/stripe.md) - [Supabase](https://atlas.lb-product.com/en/entities/supabase.md) - [Vercel](https://atlas.lb-product.com/en/entities/vercel.md) - [xAI (Grok API)](https://atlas.lb-product.com/en/entities/xai.md) ## Compare pages - [chatgpt-vs-claude](https://atlas.lb-product.com/en/compare/chatgpt-vs-claude.md) - [google-gemini-api-vs-openai-api](https://atlas.lb-product.com/en/compare/google-gemini-api-vs-openai-api.md) - [openai-api-vs-anthropic-api](https://atlas.lb-product.com/en/compare/openai-api-vs-anthropic-api.md) - [openai-api-vs-claude](https://atlas.lb-product.com/en/compare/openai-api-vs-claude.md) - [render-vs-railway](https://atlas.lb-product.com/en/compare/render-vs-railway.md) - [shopify-vs-base](https://atlas.lb-product.com/en/compare/shopify-vs-base.md) - [stores-vs-base](https://atlas.lb-product.com/en/compare/stores-vs-base.md) - [stripe-vs-paypal](https://atlas.lb-product.com/en/compare/stripe-vs-paypal.md) - [supabase-vs-firebase](https://atlas.lb-product.com/en/compare/supabase-vs-firebase.md) - [vercel-vs-cloudflare-pages](https://atlas.lb-product.com/en/compare/vercel-vs-cloudflare-pages.md) - [vercel-vs-netlify](https://atlas.lb-product.com/en/compare/vercel-vs-netlify.md) ## Full exports - [llms-full.txt](https://atlas.lb-product.com/en/llms-full.txt)