Can I have a trial?

PostHog is usage-based and you can use it for free for as long as you want, no trial needed. See our pricing page for free usage allowances.

If you have special circumstances where this doesn't work for you, contact our sales team.

How do I estimate how much PostHog will cost?

You can check our doc on estimating usage and costs, or use the pricing calculator to estimate costs. However, often the best way to estimate costs is to signup for free and go from there.

How do I update billing information or see previous months' invoices or usage?

Go to your organization's billing settings and click "Manage card details" to be brought to Stripe where you can update your credit card, billing information, and see your invoice history.

Can I set a billing limit?

Yes, you can set a billing limit for each of PostHog's products in your organization's billing settings. Check out our doc on billing limits and alerts for more information.

Are events or replays dropped when I reach billing limits?

Yes, PostHog drops data after you go over your billing limit. To capture more during the current billing period, you need to raise your billing limits. For future billing periods, you can tune your PostHog implementation to limit the number of events or session replays you capture.

I'm an early-stage startup or non-profit, can I get a discount?

Yes, early-stage startups can get $50,000 in credits, merch, and exclusive events. Find out more and apply on our startup program page.

Non-profits can contact our sales team for 50% off in most cases.

Can I change the email invoices or billing alerts are sent to?

Yes, contact us through the in-app support modal.

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Architecture

The following pages in this section cover Data model , Ingestion pipeline , ClickHouse and Querying data . This document gives an overview of the general architecture. How our cloud or a deployed PostHog Helm chart works on Kubernetes. Zooming right out There are only a few systems to consider. A Website and API is presented for users. An API for Client Apps. A plugin service for processing events on ingestion. And a worker service for processing events in response to triggers (e.g…

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