$21.4M/year Vercel of developer docs
Jan-Erik Asplund
TL;DR: As Lovable, Replit, Claude Code & Codex increasingly decide which APIs and dev tools to recommend, Mintlify turned developer docs from a human support surface into agent-readable infrastructure, with agent traffic growing from roughly 10% to 66% of its docs by July 2026. Sacra estimates Mintlify hit $21.4M annual recurring revenue (ARR) in July 2026, up from $10.6M at the end of 2025 (+326% YoY). For more, check out our full report and dataset on Mintlify.
Key points via Sacra AI:
- With open APIs and API-centric SaaS promising frictionless integration & interoperability, developer experience emerged as a key point of differentiation driven by rich & interactive developer documentation a la Stripe (2010) that allowed developers to self-serve and DIY, thus giving rise to modern developer documentation SaaS like ReadMe (2014, $10M raised, Accel), Postman (2012 founded, docs launched in 2015) and Mintlify (2022). Mintlify built on existing primitives docs-as-code (Sphinx & Swagger UI), interactive API playground (Postman) and WYSIWYG design (Gitbook & ReadMe) and bundled it into an opinionated, developer-centric git-based workflow that felt like deploying code (vs. publishing to a CMS).
- In 2025, text-to-app builders Lovable ($500M annualized revenue in May 2026, +3,471% YoY in 2025) & Replit ($525M annualized revenue in April 2026, +1,775% YoY in 2025) and coding agents like Anthropic’s Claude Code & OpenAI’s Codex suddenly began to decide which databases, APIs & developer tools to use, turning docs from a human support surface into core infrastructure for agents, whose share of Mintlify traffic grew from roughly 15% in January 2026 to 66% by July. Like Supabase ($170M ARR in May 2026, +232% YoY in 2025) on the backend, Mintlify has ridden the demand for agent-legible infrastructure, scoring top AI customers like Anthropic, Cursor, Replit, Lovable & Vercel and using “Powered by Mintlify” links on highly-trafficked public docs sites to drive referral.
- Growing 36% in July alone, Sacra estimates Mintlify hit $21.4M in annual recurring revenue (ARR) in July 2026, up from $10.6M at the end of 2025 (+326% YoY), valued at $500M as of its April 2026 Series B (a16z, Salesforce Ventures) for a ~36x multiple on ~$14M April revenue. Compare to AI-native backend platform Supabase at $170M ARR in May 2026, +232% YoY in 2025, valued at $10.5B for a 62x multiple, frontend cloud platform Vercel at $340M ARR in February 2026, +112% YoY in 2025, valued at $9.3B for a ~33x multiple, and serverless vector database for AI Turbopuffer at $100M in annualized revenue in March 2026, up from $75M at the end of 2025.
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