Check if a phone number is registered on Telegram using the apipick Telegram Checker API. Returns registration status, Telegram user ID, username, first/last name, and data center ID. Use when the user wants to verify Telegram registration for a phone number, find a Telegram username by phone number, or check whether someone uses Telegram. Requires an apipick API key (x-api-key). Get a free key at https://www.apipick.com.

通过 apipick Telegram 检查器 API 验证电话号码是否已注册 Telegram，返回注册状态、Telegram 用户 ID、用户名、姓氏和名字以及数据中心 ID。适用于用户验证电话号码的 Telegram 注册状态、通过电话号码查找 Telegram 用户名，或确认某人是否使用 Telegram。需提供 apipick API 密钥（x-api-key），请前往 https://www.apipick.com 免费获取