Mintlify

Docs rot. You ship a new endpoint on Tuesday, and by Friday the reference page is wrong, the quickstart points at a deprecated SDK method, and nobody owns the fix. That was annoying when only humans read your docs. It's a bigger problem now that coding agents and LLMs read them too, and they'll confidently repeat whatever stale example you left behind. Mintlify is built around that problem. It pitches itself as "self-updating documentation for startups, enterprises, and agents," and its homepage puts a live agent traffic counter (around 78%) front and center to make the point that machines are now a primary audience for your docs.

The product covers the basics you'd expect from a hosted docs platform: a web editor, Git sync, search, an API playground, authentication and a custom domain, all on the free Starter plan with 5 editor seats. What sets it apart is the agent layer. You get an MCP server and llms.txt support, so tools like Claude or Cursor can pull your docs directly. On Pro, an Agent Assistant and Automations handle the upkeep, and a recent update lets you explore your docs analytics by asking the Mintlify agent. The customer list is long and credible: Anthropic, Coinbase, HubSpot, AT&T, Perplexity, Replit, Lovable and Vercel's docs.x.com example all get called out, and the company claims 20,000+ customers and 99.99% uptime.

The catch is the gap between free and paid. Starter is genuinely usable, but the self-updating features that headline the homepage live on Pro, which costs $450/mo billed annually or $540/mo monthly. That's an easy call for a funded API company and a hard one for a side project. The marketing site is also heavy on logos and light on mechanics, so you won't learn exactly how the self-updating loop decides what to change until you try it. If your docs are a core part of your product and you want them readable by agents, it's the strongest option in this category. If you just need a static docs site, you're paying for things you won't use.