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58 lines
2.9 KiB
ReStructuredText
58 lines
2.9 KiB
ReStructuredText
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MTProto vs. Bot API
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===================
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Being Pyrogram an MTProto-based library, this very feature makes it already superior to, what is usually called, the
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official Bot API.
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What is the MTProto API?
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------------------------
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MTProto, took alone, is the name of the custom-made, open and encrypted communication protocol created by Telegram
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itself --- it's the only protocol used to exchange information between a client application and the actual Telegram
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servers.
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The MTProto **API** however, is what people, for convenience, call the main Telegram API as a whole. This API is able
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to authorize both users and bots and happens to be built on top of the MTProto encryption protocol by means of binary
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data serialized in a specific way, as described by the TL language, hence the correlation.
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What is the Bot API?
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--------------------
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The Bot API is an HTTP(S) interface for building normal bots. Bots are special accounts that are authorized via tokens
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instead of phone numbers. The Bot API is built yet again on top of the main Telegram API, but runs on an intermediate
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server application that in turn communicates with the actual Telegram servers using MTProto.
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.. figure:: https://i.imgur.com/C108qkX.png
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:align: center
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Advantages of the MTProto API
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-----------------------------
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Here is a list of all the known advantages in using MTProto-based libraries (such as Pyrogram) instead of the official
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HTTP Bot API. Using Pyrogram you can:
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- **Authorize both user and bot identities**: The Bot API only allows bot accounts.
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- **Upload & download any file, up to 1500 MB each (~1.5 GB)**: The Bot API allows uploads and downloads of files only
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up to 50 MB / 20 MB in size (respectively).
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- **Has less overhead due to direct connections to Telegram**: The Bot API uses an intermediate server to handle HTTP
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requests before they are sent to the actual Telegram servers.
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- **Run multiple sessions at once, up to 10 per account (either bot or user)**: The Bot API intermediate server will
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terminate any other session in case you try to use the same bot again in a parallel connection.
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- **Get information about any public chat by usernames, even if not a member**: The Bot API simply doesn't support this.
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- **Obtain information about any message existing in a chat using their ids**: The Bot API simply doesn't support this.
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- **Retrieve the whole chat members list of either public or private chats**: The Bot API simply doesn't support this.
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- **Receive extra updates, such as the one about a user name change**: The Bot API simply doesn't support this.
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- **Has more meaningful errors in case something went wrong**: The Bot API reports less detailed errors.
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- **Has much more detailed types and powerful methods**: The Bot API types often miss some useful information about
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Telegram's type and some of the methods are limited as well.
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- **Get API version updates, and thus new features, sooner**: The Bot API is simply slower in implementing new features.
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