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

# AppLovin Axon

> Track AppLovin Axon conversions from your storefront with Upstack Data — automatic event mapping, click-ID capture, and identity enrichment.

<Note>
  **Data direction:** This is a **destination** — Upstack sends event and conversion data **out** to this platform via server-side APIs.
</Note>

## What it does

Upstack tracks AppLovin through the **Axon Pixel** on your storefront. Upstack captures storefront events — page views, product views, add-to-carts, checkouts, and purchases — and reports them to AppLovin with the `aleid` click identifier attached, so Axon can tie conversions back to the ads that drove them.

<Note>
  You only need your **Pixel ID (Event Key)** to set this up. See [How to configure the AppLovin destination](/destinations/catalog/applovin/how-to-configure-applovin-destination-in-upstack-data).
</Note>

## Tracking Method

<Note>
  AppLovin currently receives events from the browser only. See [Tracking Method](/concepts/tracking-method) for more details.
</Note>

## How it works

The Upstack Pixel captures each event on your storefront and enriches it with identity and click-ID data. Upstack then loads the Axon Pixel and reports the event to AppLovin with the `aleid` click ID attached.

Because Upstack owns the event capture, every AppLovin event carries the same identity data as the rest of your tracking — you do not maintain a separate Axon tag or a second set of event mappings.

## Setup guides

<CardGroup cols={2}>
  <Card title="Onboarding guide" icon="route" href="/destinations/catalog/applovin/complete-how-to-guide-for-onboarding-applovin-in-upstack-data">
    End-to-end walkthrough for connecting AppLovin to Upstack Data.
  </Card>

  <Card title="Configure destination" icon="sliders" href="/destinations/catalog/applovin/how-to-configure-applovin-destination-in-upstack-data">
    Configure the AppLovin Axon destination inside Upstack Data.
  </Card>

  <Card title="Find Pixel ID" icon="magnifying-glass" href="/destinations/catalog/applovin/how-to-find-applovin-pixel-id">
    Locate your Axon Pixel ID (Event Key) in the AppLovin dashboard.
  </Card>
</CardGroup>

## Event mapping

Upstack maps storefront events to AppLovin Axon standard events automatically:

| Upstack event      | AppLovin event     | Key parameters                                        |
| ------------------ | ------------------ | ----------------------------------------------------- |
| `PageView`         | `page_view`        | `url`, `referrer`                                     |
| `ViewContent`      | `view_item`        | `items`, `value`, `currency`                          |
| `AddToCart`        | `add_to_cart`      | `items`, `value`, `currency`                          |
| `RemoveFromCart`   | `remove_from_cart` | `items`, `value`, `currency`                          |
| `ViewCart`         | `view_cart`        | `items`, `value`, `currency`                          |
| `InitiateCheckout` | `begin_checkout`   | `items`, `value`, `currency`                          |
| `AddPaymentInfo`   | `add_payment_info` | `payment_type`, `value`, `currency`                   |
| `Purchase`         | `purchase`         | `transaction_id`, `value`, `tax`, `shipping`, `items` |
| `Search`           | `search`           | `search_term`                                         |
| `Lead`             | `generate_lead`    | `value`, `currency`                                   |
| `SignUp`           | `sign_up`          | `method`                                              |
| `Subscribe`        | `subscribe`        | `value`, `currency`                                   |

Every event includes user data parameters (`email`, `phone`, `client_id`) when available. AppLovin click IDs (`aleid`) captured by the Upstack Pixel are included for deterministic matching. User matching requires at least one identifier: `aleid`, `axwrt`, `client_id`, `email`, `phone`, or `user_id`.

## FAQ

<AccordionGroup>
  <Accordion title="How do I know events are reaching AppLovin?">
    Open the AppLovin Axon Dashboard, navigate to your pixel's Events section, and check for recent events. Upstack also surfaces delivery status inside the destination settings.
  </Accordion>

  <Accordion title="Do I need to keep my own Axon tag on the storefront?">
    No. Upstack loads the Axon Pixel for you once the destination is configured. If you already load Axon through your theme, Google Tag Manager, or another app, remove that copy — two tags with the same Pixel ID can double-count events.
  </Accordion>

  <Accordion title="What if my event match rate is low?">
    AppLovin's match rate depends on how much identity data each event carries. Common causes of low match quality:

    * **Missing `aleid`** — AppLovin ads should link directly to your storefront so the click ID lands in the URL and is captured by the Upstack Pixel.
    * **Anonymous visitors** — events from visitors without email or phone have fewer keys to match against. Match rates improve as more identified customers convert.
    * **Missing checkout fields** — make sure your Shopify checkout collects email and phone; both are strong match keys.
  </Accordion>
</AccordionGroup>

## Troubleshooting

<AccordionGroup>
  <Accordion title="Events not appearing in AppLovin Dashboard">
    If events aren't appearing after 10 minutes of confirmed store traffic, check the basics first.

    **Steps to fix:**

    1. Go to **Event Destinations → AppLovin**
    2. Verify the **Pixel ID (Event Key)** is correct — no extra spaces, no truncated characters
    3. Confirm the destination status is **Healthy**
    4. Confirm the Pixel ID in Upstack matches the pixel you are checking in the Axon Dashboard
  </Accordion>

  <Accordion title="Events appear, but conversions aren't attributed to ads">
    Attribution needs the `aleid` click ID, which is captured from the landing-page URL.

    **Steps to fix:**

    1. Click one of your live AppLovin ads and confirm `aleid` appears in the destination URL
    2. Check that the ad links directly to your storefront rather than through a redirect that strips query parameters
    3. Confirm the Upstack Pixel is installed on the landing page — see [Verify events](/quickstart/verify-events)
  </Accordion>
</AccordionGroup>

<Note>
  For additional troubleshooting beyond AppLovin-specific issues, see [Troubleshooting: Events Not Reaching Destination](/troubleshooting/destination-shows-disconnected).
</Note>

## Related

<CardGroup cols={2}>
  <Card title="Identity resolution" icon="fingerprint" href="/pixel/identity-resolution">
    How Upstack matches anonymous visitors to known customers for higher match rates.
  </Card>

  <Card title="Verify events" icon="circle-check" href="/quickstart/verify-events">
    Confirm events are firing from your storefront before checking the destination.
  </Card>

  <Card title="Events not reaching destination" icon="wrench" href="/troubleshooting/destination-shows-disconnected">
    End-to-end diagnostic guide when events aren't arriving at any destination.
  </Card>

  <Card title="All destinations" icon="grid-2" href="/destinations/catalog">
    Every destination Upstack can send events to.
  </Card>
</CardGroup>