Brokerage technology terms, defined plainly
This glossary explains the technology terms MT5 brokers meet when they build or replace their stack. Each page starts with a one-sentence definition, then covers how the thing works, what it is made of and what to check before you buy or build it. The pages are vendor-neutral.
Start with a definition
White-label MT5 client area
The branded web area where a broker’s clients manage MT5 accounts, funding and documents.
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Liquidity bridge
Software that routes orders from a trading platform to external liquidity providers and returns fills.
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MT5 Manager API
The MetaQuotes interface that lets broker software manage accounts, groups and deals on an MT5 server.
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Copy trading software
Software that replicates trades from a strategy provider’s account into follower accounts.
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MCP for trading platforms
The Model Context Protocol, a standard way for AI assistants to reach tools and data, applied to trading systems.
Read moreAll terms, A to Z
Short definitions of the terms brokers meet most. Terms with a full page link to it.
- A-book / B-book
- Two ways a broker handles client orders: passing them to liquidity providers, or taking the other side internally.
- Audit log
- A time-stamped record of who accessed or changed what, used for security reviews and investigations.
- Back office
- The internal tools a brokerage uses for client records, funding approvals, compliance checks and reporting.
- Broker CRM
- A customer relationship system adapted to brokerage needs, such as leads, KYC status, deposits and IB links.
- Copy trading software
- Software that replicates trades from a strategy provider’s account into follower accounts.
- Full definition
- IB commission
- The payment a broker makes to an introducing broker for the trading activity of referred clients.
- Introducing broker (IB)
- A partner who refers clients to a broker, usually in return for a commission or rebate.
- KYC
- Know Your Customer: the checks used to verify a client's identity before they can trade or fund an account.
- Liquidity bridge
- Software that routes orders from a trading platform to external liquidity providers and returns fills.
- Full definition
- MCP for trading platforms
- The Model Context Protocol, a standard way for AI assistants to reach tools and data, applied to trading systems.
- Full definition
- MT5 Manager API
- The MetaQuotes interface that lets broker software manage accounts, groups and deals on an MT5 server.
- Full definition
- MT5 server
- The MetaTrader 5 trading server a broker licenses and runs to host client accounts and execute orders.
- PSP (payment service provider)
- A company that processes deposits and withdrawals for a broker, such as card or bank transfers.
- Sandbox
- A separate test environment with sample data, used to build and check integrations before going live.
- Strategy provider
- In copy trading, the trader whose positions are copied into follower accounts.
- Trader's room
- The secure online area where a broker's clients manage trading accounts, funding and documents.
- Webhook
- An automatic message one system sends to another when an event happens, such as a new deposit.
- White label
- Software built by one company and offered under another company's brand and domain.
- White-label MT5 client area
- The branded web area where a broker’s clients manage MT5 accounts, funding and documents.
- Full definition
Definitions first, product second
Every term page opens with a short definition you can quote, followed by how it works, its key parts and the questions worth asking a vendor. Only one short section on each page explains how XFIV relates to the term.
For longer guides, such as checklists and integration patterns, see the resources section. For product details, go to the product pages.
Need more than a definition?
Talk to the XFIV team about how Portal, Trade, Copy, Connect and BrokerOS fit your MT5 setup.
Last reviewed 2026-10-29