MPChatHelps

Build MPChat bots and MiniApps: quickstart, auth, errors, polling vs webhook, the full method matrix, MiniApp initData verification, MP differences, and a production checklist.

Developer Guide: Bots &amp;amp; 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.

What is an MPChat bot? Capabilities, data flow, and limits

A no-build, 10-minute path to run your first mpbot: verify the token with getMe, read a chat_id with getUpdates, and reply with sendMessage on Windows or iOS.

Try a bot in 10 minutes (Windows PowerShell or iOS Shortcuts)

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.

Developer quickstart: getMe, getUpdates, sendMessage (curl + Node.js)

See what you can ship with today's MPChat Bot API: a command-plus-MiniApp pattern, six copy-ready scenarios, and Telegram-style flows that need a workaround.

What you can build with an MPChat bot: scenarios, patterns, and limits

What an MPChat bot is, a 10-minute try-it on Windows or iOS, and the developer quickstart with curl and Node.js.

1. Getting Started

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

Core concepts and terminology for MPChat bots

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.

Authentication and request model: base URL, token safety, ID rules, 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.

Response envelope and error codes: ok, result, description, and retry strategy

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

Receiving updates: polling vs webhook (getUpdates, setWebhook, secret_token)

Core concepts, the authentication and request model, the response envelope and error codes, and receiving updates via polling vs webhook.

2. 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.

API method matrix: 43 endpoints, 7 categories, risk levels, and DocOnly methods

Parameter-level detail for the three methods every bot needs first—getMe, getUpdates, and sendMessage—plus the web_app button that opens a MiniApp.

Core message methods in detail: getMe, getUpdates, sendMessage (with web_app button)

The full 41-endpoint method matrix with risk levels, and parameter-level detail for the core getMe / getUpdates / sendMessage methods.

3. API Reference

What an MPChat MiniApp is and how its identifiers fit together: miniapp_id, shortName, entryUrl, and botUsername, plus the fixed direct-link URL shape.

MiniApp overview and core identifiers: miniapp_id, shortName, entryUrl, direct links

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

Open a MiniApp and use the frontend SDK (web_app button, initData vs initDataUnsafe)

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

Verify MiniApp initData on your backend (HMAC, TTL, error codes)

MiniApp identifiers and direct links, opening a MiniApp with the frontend SDK, and verifying signed initData on your backend.

4. MiniApp Integration

Key differences between the MPChat Bot API and Telegram: no file_id reuse, banChatMember mutes instead of kicks, bots can't start chats, and some 501 methods.

MP vs Telegram Bot API differences (file_id, banChatMember, conversations, 501)

What to verify before shipping an MPChat bot: token and webhook security, rate-limit retries, log redaction, high-risk API approvals, and a 5-step smoke test.

Production go-live checklist for MPChat bots (security, retries, logging, smoke test)

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.

MPChat Bot & MiniApp FAQ (chat_id, 409, file_id, 429, initData, and more)

MP vs Telegram Bot API differences, the production go-live checklist, and frequently asked questions.

5. Production & Troubleshooting

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