PostHog's Fetch Wrapper Corrupts FormData Boundaries

Posthog gives engineers everything to build, test, measure, and ship successful products faster. Posthog connects recordings, experiments, feature flags, and more for full product insight. Posthog operates more like a utility – we cover our costs with razor thin margins, and we make up for it with scale.

Posthog is always cheaper than the cheapest major competitor, so you know you don't. Start a chat on any docs page and posthog ai will have the relevant context. Posthog is the only developer platform built to natively work with session replay, feature flags, experiments, and surveys.

Find out exactly how much it costs to use posthog (spoiler: At posthog i'm given the trust to work on things that i think matter for the business and our customers. Install posthog in seconds with our wizard by running this command in your project directory with your terminal (it also works for llm coding agents like cursor and bolt):

Posthog is an all-in-one developer platform for building successful products.