Mintlify builds full documentation sites from MDX in a repo. If your docs are mostly an OpenAPI reference, ApiNotes publishes it directly and adds an automatic changelog with breaking-change alerts, from $0.
Mintlify is a docs-as-code platform for whole product documentation: MDX pages in Git, a polished theme, an AI assistant and an OpenAPI playground. The Starter plan is free with five editor seats, and Pro is $450 per month. It is excellent for product docs with a lot of prose. For an API reference that is generated from a spec, it is more than you need, and its changelog is authored rather than derived from spec changes.
ApiNotes starts from the spec. Publish the OpenAPI file and get the reference, version history, and a changelog written from the diff with breaking changes flagged and subscribers emailed. Team is $19/month flat.
| Feature | Mintlify | ApiNotes |
|---|---|---|
| Basics | ||
| What it is | Docs-as-code platform (MDX) | Hosted docs + changelog platform |
| Hosting included | ✅ Included | ✅ your-api.apinotes.io, CDN-cached |
| Custom domain | ✅ All plans | ✅ CNAME, TLS handled (Team) |
| Documentation | ||
| Layout | ✅ Reference plus pages | ✅ Three-column reference |
| Code samples | ✅ Multiple languages | ✅ 10+ languages per endpoint |
| Try-it console | ✅ API playground | ✅ Try-it panel with auth |
| Search | ✅ Search and AI assistant | ✅ Full-text across endpoints and guides |
| Guides and prose pages | ✅ Excellent MDX guides | ✅ Documentation editor |
| Server-side rendering / SEO | ✅ Server-rendered | ✅ SSR, indexable, per-project meta |
| Change management | ||
| Version history | ⚠️ Via your Git repo | ✅ Every push kept, switch versions in docs |
| Automatic changelog | ⚠️ Written by hand as MDX updates | ✅ Written from the spec diff on every push |
| Breaking-change detection | ❌ | ✅ Flagged per release |
| Email subscribers + RSS/JSON feed | ⚠️ Not driven by spec changes | ✅ 25 on Starter, unlimited on Team |
| CI/CD and access | ||
| Publish from CI | ✅ Git-based deploys | ✅ GitHub Action or one API call |
| PR comment with breaking changes | ❌ | ✅ GitHub Action (Team) |
| Spec validation | ⚠️ Basic spec checks | ✅ Validator with line numbers and hints |
| Private docs | ⚠️ Auth options; SSO on Enterprise | ✅ Password or magic link (Team) |
| Price | Free / $450 per month (Pro) | Free Starter / $19 per month Team, flat |
Mintlify plan details from mintlify.com/pricing as of October 2026. Verified October 2026.
Mintlify is organised around MDX pages in a repo, with your OpenAPI file as one source of reference pages. It shines when guides, tutorials and product docs are the main content.
ApiNotes is organised around the spec. Version history, the changelog and the reference all come from it, with a documentation editor for guides alongside.
Changelog entries are authored as content in the docs repo. Nothing compares one spec version with the next.
The entry is generated from the spec diff, breaking changes are flagged and subscribers are notified by email, RSS and JSON.
The assistant, automations and preview deployments are on the $450-per-month Pro plan, with AI usage billed in credits.
ApiNotes has no AI add-ons to meter. Team is a flat $19 per month.
You maintain a docs repo with its own build and review process in addition to your API repo.
You keep the one spec file you already maintain. Optionally, the GitHub Action publishes it on merge.
Mintlify lists Starter at $0 (5 editor seats, custom domain, API playground), Pro at $450 per month with unlimited editor seats, AI assistant and preview deployments, and custom Enterprise pricing.
Starter, $0: 1 public API, hosted docs, changelog for the last 10 releases, breaking-change detection, 25 subscribers, GitHub Action, Try-it panel. Team, $19/month flat: 5 APIs, full changelog history, unlimited subscribers, PR comments, private docs, 25 guest readers, custom domain, your own branding, 5 team members. 14-day trial, no card needed.
Paste the same OpenAPI file you use today. Hosted docs, a changelog and breaking-change alerts are live in under a minute.