posthog-cost-tuning

# PostHog Cost Tuning ## Overview PostHog Cloud pricing is event-based: 1M events/month free, then usage-based pricing beyond that. Session recordings, feature flag evaluations, and surveys each have their own free tiers. The biggest cost drivers are typically `$autocapture` events, `$pageview` on high-traffic pages, and bot traffic. This skill covers specific techniques to reduce event volume without losing analytical value. ## Prerequisites - PostHog Cloud account with billing access - Application instrumented with posthog-js - Understanding of which events drive your analytics ## PostHog Cloud Free Tiers (2025) | Product | Free Tier | Overage | |---------|-----------|---------| | Product analytics | 1M events/month | ~$0.00031/event | | Session recordings | 5K sessions/month | ~$0.04/session | | Feature flags | 1M API requests/month | ~$0.0001/request | | Surveys | 250 responses/month | ~$0.10/response | ## Instructions ### Step 1: Audit Current Event Volume ```bash set -euo pipefail # See which events consume the most quota (last 30 days) curl "https://app.posthog.com/api/projects/$POSTHOG_PROJECT_ID/query/" \ -H "Authorization: Bearer $POSTHOG_PERSONAL_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "query": { "kind": "HogQLQuery", "query": "SELECT event, count() AS total FROM events WHERE timestamp > now() - interval 30 day GROUP BY event ORDER BY total DESC LIMIT 20" } }' | jq '.results[] | {event: .[0], count: .[1]}' ``` ##...