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

# LookupEndUserRequest

> LookupEndUserRequest API reference.

Package: [`com.coinbase.cdp.resources.enduseraccountmanagement.requests`](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/resources/enduseraccountmanagement/requests/index)

```java theme={null}
public final class LookupEndUserRequest extends Object
```

## Method Details

### `getEmail`

```java theme={null}
public Optional<Email> getEmail()
```

**Returns:**

`Optional`\<[Email](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/Email)> - The email address to search for across all email-based authentication methods.

### `getOauthProvider`

```java theme={null}
public Optional<OAuth2ProviderType> getOauthProvider()
```

**Returns:**

`Optional`\<[OAuth2ProviderType](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/OAuth2ProviderType)> - The OAuth provider to search by. Must be provided together with `oauthSubject`.

### `getOauthSubject`

```java theme={null}
public Optional<String> getOauthSubject()
```

**Returns:**

`Optional<String>` - The OAuth subject (the `sub` claim from the provider's ID token). Must be provided together with `oauthProvider`.

### `getPhoneNumber`

```java theme={null}
public Optional<PhoneNumber> getPhoneNumber()
```

**Returns:**

`Optional`\<[PhoneNumber](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/PhoneNumber)> - The E.164-formatted phone number to search for. Must be URL-encoded when passed as a query parameter (e.g. `+14155552671` → `%2B14155552671`).

### `getSiweAddress`

```java theme={null}
public Optional<BlockchainAddress> getSiweAddress()
```

**Returns:**

`Optional`\<[BlockchainAddress](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/BlockchainAddress)> - The ERC-55 checksummed Ethereum address to search for. Looks up a user by the address they authenticated with via Sign In With Ethereum (EIP-4361).

### `equals`

```java theme={null}
public boolean equals(Object other)
```

**Overrides:**

`[equals](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals\(java.lang.Object\) "class or interface in java.lang")` in class `[Object](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html "class or interface in java.lang")`

**Parameters:**

`other` - `Object`

**Returns:**

`boolean`

### `getAdditionalProperties`

```java theme={null}
public Map<String,Object> getAdditionalProperties()
```

**Returns:**

`Map<String,Object>`

### `hashCode`

```java theme={null}
public int hashCode()
```

**Overrides:**

`[hashCode](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode\(\) "class or interface in java.lang")` in class `[Object](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html "class or interface in java.lang")`

**Returns:**

`int`

### `toString`

```java theme={null}
public String toString()
```

**Overrides:**

`[toString](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString\(\) "class or interface in java.lang")` in class `[Object](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html "class or interface in java.lang")`

**Returns:**

`String`

### `builder`

```java theme={null}
public static LookupEndUserRequest.Builder builder()
```

**Returns:**

[LookupEndUserRequest](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/resources/enduseraccountmanagement/requests/LookupEndUserRequest).`Builder`