MPChatHelps

Create and test your first Bot, look up MPChat API methods, integrate a MiniApp, and prepare for production.

Developer Guide: Bots & MiniApps

Understand what an MPChat bot is, how messages flow in and out, which Bot API categories are supported, and the phase-one limits before you start building.

MPChat Bot overview: how it works and what it supports

See what you can ship with today's MPChat Bot API: commands, message buttons, menu button, Reply Keyboard, MiniApps, six copy-ready scenarios, and remaining limits.

What can you build with an MPChat Bot? Scenarios and approaches

Step-by-step BotFather guide: send /start and /newbot, set the display name and username, copy the token, verify it with getMe, and configure the Bot profile.

BotFather step-by-step: create a Bot and get its token

Send a test message in MPChat on Android or iOS, then use Windows PowerShell or macOS Terminal to verify your token, get the chat ID, and send a Bot reply.

Run your first MPChat Bot: mobile testing and Windows/macOS debugging

Build a minimal MPChat bot with curl and Node.js: verify the token, read a chat_id, and send your first message—with token safety and error handling.

Bot API examples: send and receive test messages with curl or Node.js

Understand Bot capabilities, explore optional scenarios, get a token with BotFather, then choose guided Windows/macOS testing or curl/Node.js examples.

1. Bot Overview and First Test

The vocabulary every MPChat bot integration uses: bot token, chat_id, Update, Message, polling, webhook, and MiniApp, plus how data flows in and out.

Bot development concepts: tokens, chats, messages, and updates

How MPChat bot requests are authenticated and shaped: the base URL, five token-safety rules, HTTP methods, content types, ID rules, and a 30 req/s rate limit.

Calling the Bot API: authentication, IDs, and rate limits

Every MPChat Bot API method shares one response envelope. Learn how to read ok/result/description, what each error code means, and which errors to retry.

Handling Bot API responses, errors, and retries

Two mutually exclusive ways to receive MPChat updates: getUpdates long polling for development and setWebhook for production, with secret_token validation.

Receiving Bot messages and events: polling and webhooks

Learn Bot concepts, request authentication, API responses and retries, then receive messages and events through polling or webhooks.

2. Bot Integration Basics

A scannable index of all MPChat Bot API methods by category, with support status, risk level (L0-L3), MP differences, and which high-risk methods are DocOnly.

Bot API method index: supported features and operation risks

Parameter-level detail for getMe, getUpdates, and sendMessage—including reply_markup for inline buttons, Reply Keyboard, and MiniApp entry.

Core API parameters: getMe, getUpdates, and sendMessage

Disable link previews, send photo/video/animation with caption, use entities text_mention and Markdown links, plus auto @/URL/command rules.

Message formatting: link previews, text styles, mentions, and media

Four inline button types on sendMessage reply_markup: url, web_app, callback_data, and copy_text; layout limits, style colors, and trailing icons.

Message buttons: links, MiniApps, callbacks, and copying text

Receive and answer callback queries, then choose the right message edit method and preserve or clear buttons and captions.

Handling button callbacks and updating messages

Send ReplyKeyboardMarkup via reply_markup; plain buttons yield message.text; is_persistent vs one_time vs remove; selective, Privacy Mode, and private-only web_app.

Custom reply keyboards: display, hide, and remove

Configure the left-side Bot Menu Button with setChatMenuButton: commands, web_app, or default; global vs private-chat scope; HTTPS ≤2048 without MiniApp ownership.

Chat menu buttons: commands and MiniApp entry points

What group info a bot can read via getChat family, plus admin delete/recall of member messages, permission limits, and deleteMessage vs recallMessage.

Bot group capabilities: reading information and managing messages

Use the method index for lookup, or explore core calls, message formatting, buttons, callbacks, keyboards, menus, and group capabilities as needed.

3. Bot Features and API Reference

What an MPChat MiniApp is and how identifiers fit: miniapp_id vs shortName, entryUrl, botUsername, direct links, and ?startapp= → start_param.

MiniApp overview: identifiers, URLs, and direct links

Create and manage MiniApps with BotFather /newapp and /myapps: HTTPS URL, shortName, direct link https://mp.net/{bot}/{short} and optional ?startapp=.

Creating and managing MiniApps in BotFather

Send a MiniApp entry button with sendMessage, load the MPChat WebApp SDK, and read initData vs initDataUnsafe correctly, with the current field-support scope.

MiniApp frontend integration: entry points, SDK, and initialization data

The backend HMAC-SHA256 flow to verify MPChat MiniApp initData, with a Node.js example, recommended error codes, TTL, and unsupported return flows.

Verifying MiniApp initialization data (initData) on your backend

Understand identifiers, create your MiniApp, connect frontend entry points and SDK, then verify initData on your backend before trusting user identity.

4. MiniApp Creation and Integration

Verify bot token and Webhook security, retry handling, logging, and smoke tests for delivery, callbacks, and blocked private chats.

Bot launch checklist: security, retries, logs, and functional checks

Quick answers to common MPChat bot and MiniApp questions: getting a chat_id, fixing 409, file_id reuse, 429 handling, and which methods are unsafe to test.

Bot and MiniApp development FAQ

Key differences between the MPChat Bot API and Telegram: no file_id reuse, banChatMember mutes instead of kicks, bots can't start chats, message callbacks supported, MiniApp client return still closed.

MPChat and Telegram Bot APIs: key integration differences

Check readiness before launch and troubleshoot common problems. If you are migrating from Telegram, read the API differences before integration.

5. Launch Checks and Troubleshooting

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