> ## 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.

# TelegramAuthentication

> TelegramAuthentication API reference.

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

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

## Method Details

### `getType`

```java theme={null}
public OAuth2ProviderType getType()
```

**Returns:**

[OAuth2ProviderType](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/OAuth2ProviderType)

### `getId`

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

**Returns:**

`int` - The Telegram ID for the end user.

### `getFirstName`

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

**Returns:**

`Optional<String>` - The Telegram user's first name.

### `getLastName`

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

**Returns:**

`Optional<String>` - The Telegram user's last name.

### `getPhotoUrl`

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

**Returns:**

`Optional<String>` - The Telegram user's profile picture.

### `getAuthDate`

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

**Returns:**

`int` - The Telegram user's last login as a Unix timestamp.

### `getUsername`

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

**Returns:**

`Optional<String>` - The Telegram user's username.

### `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 TelegramAuthentication.TypeStage builder()
```

**Returns:**

[TelegramAuthentication](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/TelegramAuthentication).`TypeStage`