> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vortexiq.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Amplitude audit profile, Vortex IQ

> What the Vortex IQ Amplitude health audit checks: Amplitude Tracking & Product Analytics Health

**[Nerve Centre KPIs](/nerve-centre/kpi-cards/amplitude) · [Audit Profile](/nerve-centre/kpi-cards/amplitude/audit) · [Sentiment Settings](/nerve-centre/kpi-cards/amplitude/sentiment)**

Verifies Amplitude project access, core ecommerce events, funnel conversion, retention, and taxonomy health.

## What this audit checks

### Auth + project access

* API credentials valid
* Events list accessible
* Data region matches project

### Core event health

* purchase event firing
* add\_to\_cart event firing
* Event volume stable vs 7d baseline

### Funnel conversion

* Primary funnel conversion above floor
* No single step drop-off >40%

### Retention

* D7 retention above baseline
* Stickiness (DAU/MAU) healthy

### Customer behaviour

* Bounce rate within healthy band
* Pageviews per session reported
* Top pages / top traffic sources populated

### Traffic acquisition

* Active user counts (DAU/WAU/new/returning) present
* Real-time users reporting
* Traffic sources resolvable

### Cross-channel

* Funnel conversion vs ecommerce platform divergence

## Severity thresholds

| Signal                      | Warn | Critical |
| --------------------------- | ---- | -------- |
| `event_volume_drop_pct`     | 25   | 40       |
| `funnel_conversion_drop_pp` | 5    | 10       |
| `d7_retention_pct`          | 20   | -        |
| `stickiness_pct`            | 20   | -        |
| `taxonomy_drift_count`      | 5    | 10       |

## Data sources

* `GET https://amplitude.com/api/2/events/list` - Event taxonomy + auth probe
* `GET https://amplitude.com/api/2/events/segmentation` - Event counts and core ecommerce events
* `GET https://amplitude.com/api/2/users` - Active / new user counts
* `GET https://amplitude.com/api/2/funnels` - Funnel conversion and step drop-off
* `GET https://amplitude.com/api/2/retention` - D1/D7/D30 retention
