MPChatHelps

After a <code>callback_data</code> tap you must call <code>answerCallbackQuery</code> within 300 seconds or the button keeps spinning. Supported fields: <code>callback_query_id</code>, <code>text</code> (≤200), <code>show_alert</code>. Not supported: <code>url</code>, <code>cache_time</code>. Then optionally <code>editMessageReplyMarkup</code> / <code>editMessageText</code>.

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Message callbacks are open. MiniApp client return flows (<code>web_app_data</code> / <code>sendData</code> / <code>answerWebAppQuery</code>) stay closed — do not confuse the two. Details: <a href="https://core.mp.net/bots" rel="nofollow noopener noreferrer" target="_blank">core.mp.net/bots</a>.

The client shows a loading state on the button until <code>answerCallbackQuery</code> succeeds (or the 300s window expires). Omitting or emptying <code>text</code> only clears loading. Repeated answers are idempotent.

User taps an inline button with <code>callback_data</code>.

Your webhook / <code>getUpdates</code> receives <code>callback_query</code> (include it in <code>allowed_updates</code>).

Handle business logic, then <code>answerCallbackQuery</code>.

Optionally <code>editMessageReplyMarkup</code> and/or <code>editMessageText</code> on the same bubble.

1. User taps an inline button with <code>callback_data</code>.
2. Your webhook / <code>getUpdates</code> receives <code>callback_query</code> (include it in <code>allowed_updates</code>).
3. Handle business logic, then <code>answerCallbackQuery</code>.
4. Optionally <code>editMessageReplyMarkup</code> and/or <code>editMessageText</code> on the same bubble.

<code>url</code> and <code>cache_time</code> from Telegram are not supported and must not be sent.

POST https://call.mp.net/bot/bot&lt;token&gt;/answerCallbackQuery { "callback_query_id": "callback-message-uid", "text": "Done", "show_alert": false }

editMessageReplyMarkup vs editMessageText

<code>editMessageReplyMarkup</code>: replace or clear buttons only (<code>chat_id</code> + <code>message_id</code>); omit / null / empty <code>inline_keyboard</code> removes buttons. <code>inline_message_id</code> is not supported; non-text / non-Inline media messages cannot use this path.

<code>editMessageText</code>: change the text body (and optionally keyboard) of a bot-authored editable message.

Neither path invents a new message id for the same bubble.

- <code>editMessageReplyMarkup</code>: replace or clear buttons only (<code>chat_id</code> + <code>message_id</code>); omit / null / empty <code>inline_keyboard</code> removes buttons. <code>inline_message_id</code> is not supported; non-text / non-Inline media messages cannot use this path.
- <code>editMessageText</code>: change the text body (and optionally keyboard) of a bot-authored editable message.
- Neither path invents a new message id for the same bubble.

<code>copy_text</code> is handled on-device. You will not receive <code>callback_query</code> and must not call <code>answerCallbackQuery</code>.

For webhooks, set <code>allowed_updates</code> to include <code>callback_query</code> (e.g. <code>["message", "callback_query"]</code>) or omit the field to receive all supported types. Polling follows the same Update shape.

No answer within 300s → client spinner / expired query.

Double-taps: answer once; further answers are idempotent.

Stale <code>callback_query_id</code> → API error; refresh the keyboard with <code>editMessageReplyMarkup</code> if needed.

- No answer within 300s → client spinner / expired query.
- Double-taps: answer once; further answers are idempotent.
- Stale <code>callback_query_id</code> → API error; refresh the keyboard with <code>editMessageReplyMarkup</code> if needed.

Inline keyboard buttons: url, web_app, callback_data, copy_text

<a href="https://core.mp.net/bots" rel="nofollow noopener noreferrer" target="_blank">Official Bot API — core.mp.net/bots</a>

- Inline keyboard buttons: url, web_app, callback_data, copy_text
- Polling vs webhook (allowed_updates)
- API method matrix / core message methods
- <a href="https://core.mp.net/bots" rel="nofollow noopener noreferrer" target="_blank">Official Bot API — core.mp.net/bots</a>

Prefer <a href="https://core.mp.net/bots" rel="nofollow noopener noreferrer" target="_blank">core.mp.net/bots</a> over outdated QUESTIONS drafts.

Handle callback_query with answerCallbackQuery (300s window; text≤200, show_alert; no url/cache_time), then optionally edit markup or text in place.

Callback buttons and in-place message updates (answerCallbackQuery)

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Field	Required	Notes
`callback_query_id`	yes	`callback_query.id`; answer window fixed at 300s.
`text`	no	Toast/Alert body; max 200. Empty/omit = stop spinner only.
`show_alert`	no	If true, prefer an alert dialog over a toast.

Callback buttons and in-place message updates (answerCallbackQuery)

Overview

Why you must answer

Event flow

answerCallbackQuery parameters

editMessageReplyMarkup vs editMessageText

copy_text does not use this path

allowed_updates

Failure modes

Related