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integration-fastapi

Configure PostHog integration for FastAPI services with lifecycle management.

58|5|Updated Jan 19, 2026
Search Tags:#analytics#integration#fastapi#python#backend#posthog
One-click install
npx skills add https://github.com/PostHog/skills --skill integration-fastapi
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: integration-fastapi
Source: https://github.com/PostHog/skills/tree/main/skills/posthog/integration/skills/fastapi
Command: npx skills add https://github.com/PostHog/skills --skill integration-fastapi

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

FastAPI applications often struggle to implement consistent analytics, event tracking, and error monitoring in a scalable way. This skill provides a structured approach to integrating PostHog with FastAPI, enabling standardized instrumentation, lifecycle management, and clear guidance for responsible data capture and user identification.

Core Features & Use Cases

  • Automated startup/shutdown lifecycle management to initialize and flush PostHog.
  • Context-aware event capture and user identification across FastAPI routes.
  • Support for feature flags, error tracking, and basic user profiling to drive data-driven decisions.
  • Use Case: Quickly instrument a new or existing FastAPI service to track key events like user signups, logins, and errors with minimal code changes.

Quick Start

Configure environment variables for POSTHOG_PROJECT_TOKEN and POSTHOG_HOST, install dependencies, and run the FastAPI app to verify analytics.

Frequently Asked Questions about integration-fastapi

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I integrate PostHog analytics into a FastAPI application?▼

To integrate PostHog analytics into FastAPI, configure environment variables for your project token and host, then apply an initialization pattern to manage startup and shutdown lifecycles for event capture and flushing.

What is the best way to track user events in FastAPI routes with PostHog?▼

Tracking user events in FastAPI routes with PostHog requires context-aware event capture and user identification, ensuring standardized instrumentation across your services to monitor actions like logins and signups.

Can I use PostHog feature flags and error tracking in a FastAPI backend?▼

Yes, you can use PostHog feature flags and error tracking in a FastAPI backend to drive data-driven decisions through consistent lifecycle management and clearly documented event flows.

Do I need environment variables to set up PostHog in my Python FastAPI service?▼

Yes, setting up PostHog in a Python FastAPI service requires environment-based configuration using POSTHOG_PROJECT_TOKEN and POSTHOG_HOST to establish a robust analytics integration.

How does PostHog handle the application lifecycle in FastAPI?▼

PostHog handles the FastAPI application lifecycle through automated startup and shutdown management, which initializes the client and flushes event queues to prevent data loss during shutdown.

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