PostHog

With the posthog destination, every OpenDunes request arrives in PostHog as an $ai_generation event, where PostHog's LLM analytics reads it.

Settings#

Add it#

curl https://opendunes.com/v1/observability/destinations \
  -H "Authorization: Bearer $OPENDUNES_MANAGEMENT_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "PostHog",
    "type": "posthog",
    "config": { "apiKey": "phc_…" }
  }'

What PostHog receives#

One $ai_generation event per request at {endpoint}/i/v0/e/, with $ai_model, $ai_provider, $ai_input, $ai_output_choices, $ai_input_tokens, $ai_output_tokens, $ai_latency in seconds, $ai_is_error, $ai_trace_id and $ai_session_id, plus total_cost in DA and your trace fields as metadata_<key>.

The event's person is the request's user; without one, it is the key's name, and no person profile is made.

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