PostHog is a Product OS for product engineers: an all‑in‑one suite that goes beyond analytics to include session replay, web/product analytics, feature flags, experiments, surveys, error tracking, a CDP and built‑in data warehouse to provide a single source of truth about customers.
MRR (USD)
TRAILING 30D REVENUE
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LIFETIME REVENUE
TARGET CUSTOMER
Product engineers and startup teams, including companies in early stages via the PostHog for Startups program.
TIMELINE
- Series D financing led by Stripe — June 9, 2025 →
PostHog raised $70M in a Series D at a $920M valuation, led by Stripe.
- New OS‑like website launch — September 10, 2025 →
After six months of work, PostHog pushed live a bold redesign that behaves like an operating system in the browser.
- Error tracking GA — April 8, 2025 →
Error tracking moved from beta to general availability with a generous free tier.
- LLM observability open beta — January 27, 2025 →
Launched LLM observability as an open beta.
- Revenue analytics beta in web analytics — March 27, 2025 →
Introduced revenue analytics within web analytics, including Stripe data import into the warehouse.
- DeskHog dev toy launch — July 21, 2025 →
Released DeskHog, an open‑source, 3D‑printed developer gadget for $35.
TECH STACK
Developer SDKs and integrations including an agent‑driven npx wizard for React/Next.js; LLM analytics with a TypeScript SDK and Vercel AI SDK; support for Anthropic and OpenRouter; revenue analytics can ingest Stripe data into PostHog’s data warehouse.
LATEST USERS
USERS CHANGE
FINANCIALS
TRACTION
- signups — 444 count · as of September 26, 2025 444 companies signed up today
FOUNDERS
Co‑CEO of PostHog; YC alum; building in public and aiming for $50M ARR.
PRODUCT–FOUNDER FIT
James Hawkins (co‑CEO, YC alum) builds in public and emphasizes transparency and speed, aligning with PostHog’s mission and audience of product engineers. The company openly shares handbooks/strategy and invests in developer experience (e.g., its AI wizard onboarding praised by users).