PostHog

PostHog is an open-source product analytics platform that helps you understand user behavior. With PostHog’s LLM analytics, you can track and analyze your AI application usage.

Step 1: Get your PostHog project API key

In PostHog, navigate to your project settings:

1. Log in to your PostHog account
2. Go to Project Settings
3. Copy your Project API Key (starts with phc_...)

Step 2: Enable Broadcast in OpenRouter

Go to Settings > Broadcast and toggle Enable Broadcast.

Step 3: Configure PostHog

Click the edit icon next to PostHog and enter:

• Api Key: Your PostHog project API key (starts with phc_...)
• Endpoint (optional): Default is https://us.i.posthog.com. For EU region, use https://eu.i.posthog.com

Step 4: Test and save

Click Test Connection to verify the setup. The configuration only saves if the test passes.

Step 5: Send a test trace

Make an API request through OpenRouter and view the LLM analytics in your PostHog dashboard.