What is PostHog?
PostHog is an all-in-one developer platform for building successful products. We provide a suite of dev tools to help debug your code, ship features faster, and keep all your usage and customer data in one stack. They include:
Product analytics – trends, funnels, retention, user paths, SQL queries.
Web analytics – track visitors, pageviews, and conversions in one dashboard
Session replay – watch real users, events, console logs, and network requests
Error tracking – capture errors, get stack traces, and resolve issues
Feature flags – feature management, instant rollbacks, local evaluation
Experiments – multivariate tests with statistical significance, JSON payloads
Surveys – Ask anything with no-code surveys for web and mobile
LLM analytics – Monitor and debug AI features with traces, spans, costs
Customer data platform – ingest, transform, and send data between 145+ tools
Workflows – trigger Slack messages, emails, or events based on live user behavior
Data warehouse – join data with external sources like Stripe or Postgres
PostHog AI – your AI product assistant. Answer questions, write SQL, and more
PostHog is built for engineers. We’re 100% self-serve and our pricing is transparent.
Who are we?
PostHog was founded by James Hawkins and Tim Glaser in January 2020, and was part of Y Combinator’s W20 batch.
We’re now ~150 people working all over the world. We’re 100% remote.
We value transparency, which is why our code is open to everyone, as is our company handbook.
Investors include GV, Y Combinator, Jason Warner (GitHub CTO), David Cramer (Sentry founder), and Dalton Caldwell (Managing Director, YC).
Why are we building PostHog?
Because the modern data stack sucks.
It’s a mess of point solutions that create gaps between product teams and the data they need to make good decisions.
With PostHog, you can:
Debug what’s going wrong with your product with session replays and error tracking.
Ship faster, more impactful changes with feature flags and experiments, then see their impact will all our analytics apps.
Have all your usage and customer data in one stack by combining all our apps with all of yours (like your CRM, Stripe account, and database) using our data pipelines and data warehouse.
If that sounds good to you, come take a look or read the docs to learn more.