According to AlphaMoat, in 2026-08 Fern (buildwithfern.com) received 47,638 monthly visits (-22.5% MoM) — ranked #5,284 of 17,407 AI websites with traffic data, and #611 of 1,768 in Programming; its largest market is United States (26.3% of visits).
What is Fern
Fern builds documentation, SDKs, and command-line tools for APIs, for developers and agent experiences in the AI era. The platform uses AI to analyze APIs and auto-generate, update, and publish multi-language SDKs so developer docs serve both humans and agents.
- 01Docs generates customizable, good-looking documentation sites with built-in search, an MCP server, llms.txt, and AI search
- 02SDKs are designed by language experts, cover major languages, and publish to various repositories
- 03the CLI calls APIs from the terminal
- 04it offers AI-enhanced code examples
- 05and delivers fast-start, agent-friendly docs for developers and agents
Uses a Freemium subscription: the Hobby free plan is $0/month, good for personal starters, with 2 members, 250 AI credits, a custom domain, and password-protected docs; the Team plan is $150/month (25% annual discount), with 5 members, 1,000 AI credits, and version switching; the Enterprise plan is custom-quoted with SSO, RBAC, and self-hosting.
12-Month Traffic Trend
Visits by Country · Top 5
Popular in Programming
Data month: 2026-08 · Visit figures are third-party traffic estimates aggregated monthly — best for scale and trends. Multiple domains of the same product are merged. See methodology.