First start command message of a BOT doesn't receive the language of the user client Steps to reproduce Start a new bot Current result Bot receive the start message update without language_code field…

Steps to reproduce 1. Open a shopping cart (in a bot) 2. Try paying with GooglePay or by entering your card manually Current result PAYMENT_CREDENTIALS_INVALID error Expected result Successful payment…

No update when deleting group for all members Steps to reproduce 1. Create a group 2. Add only the bot 3. In the group I tap on the three ... in the right top corner. 4. Choose Delete and leave group…

botfather says that the "About" text can't contain line breaks, but it can Steps to reproduce 1. create a new bot in @BotFather 2. set "About" text with line breaks 3. profit Screenshots

copyMessage has reply_markup specified as optional, so if the parameter is not specified, I would expect the reply_markup of the original message to be used, instead of copying without any reply_markup.…

In MarkdownV2, "\" should be marked as a special character that must be escaped as well. https://core.telegram.org/bots/api#formatting-options Steps to reproduce Try to send string: '\.' It is counted…

Telegram bot API method getChatMembersCount() returns wrong count Despite on Telegram shows 2 visible members across all devices (IOS, Windows, Android), method getChatMembersCount of bot returns 3 members.…

When I request chat using @username, it return 400 But it works if I pass not my @userName but my userId. Regarding to documentation I should obtain chat by userId OR by username: https://core.telegr…

Hi! Since a few weeks ago, my bots that use the Telegram Bot API sometimes lead the bot into a state where it's unable to edit its own messages. All other functionalities of the bot API function correctly…

its update from telegram bot api (without frameworks): {"update_id":247007320,"message":{"message_id":4563,"from":{"id":000000000,"is_bot":false,"first_name":"000000000","username":"saner99","language_code":"ru"}…