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

# Retrieve a customer

> Retrieve a single customer by Shopify ID or email.

Fetch a single customer. The `identifier` can be:

* A **Shopify customer ID** (numeric string, e.g. `6789012345`)
* An **email address** (e.g. `jane@example.com`)

## Query parameters

| Parameter     | Type   | Description                                    |
| ------------- | ------ | ---------------------------------------------- |
| `exclude_vip` | `true` | Omit the `vip_tier` relation from the response |

## Response

Returns the [customer object](/api-reference/customers/object). When `exclude_vip=true`, the `vip_tier` field will be `null`.

## Errors

| Status | Scenario           |
| ------ | ------------------ |
| `404`  | Customer not found |