# Bulk Telegram username verification

**Use case:** 

Verify large username lists in one task — built for data teams, agencies, and outbound sales ops.

## Input

```json
{
  "usernames": [
    "CryptoRankNews",
    "durov",
    "telegram"
  ]
}
```

## Output

```json
{
  "username": {
    "label": "Input username",
    "format": "string"
  },
  "exists": {
    "label": "Exists",
    "format": "boolean"
  },
  "isUser": {
    "label": "Is user",
    "format": "boolean"
  },
  "title": {
    "label": "Title",
    "format": "string"
  },
  "description": {
    "label": "Description",
    "format": "string"
  },
  "photoUrl": {
    "label": "Photo URL",
    "format": "string"
  },
  "participants_count": {
    "label": "Participants count",
    "format": "integer"
  },
  "error": {
    "label": "Error",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [Telegram Get Username Info](https://apify.com/akula.marketing/telegram-get-username-info) with a specific input configuration. Visit the [Actor detail page](https://apify.com/akula.marketing/telegram-get-username-info) to learn more, explore other use cases, and run it yourself.