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Broker API Fund Transfers with a Python WebSocket Bridge and MQL5

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Summary

The article describes a fund-management system that connects an MQL5 Expert Advisor to a broker API through a Python WebSocket client. Using Deriv as the example, the EA and Python exchange commands and responses through shared files. The intended workflow transfers money from a broker account to an MT5 account or tops up trading funds when equity falls below a configured threshold. The article covers API application identifiers and token permissions, the WebSocket connection, the bridge script, and the EA’s account-operation requests.

The example is an integration and account-operations tutorial rather than a trading strategy. Its test discussion reports API interaction and shows a permission-denied response because demonstration credentials lacked the required scope; it does not establish successful funding under those credentials or provide evidence of trading performance. The author cautions that automatic top-ups can deplete reserves if losses continue and says additional equity or loss limits are needed. API credentials and permissions are central operational risks, and the approach depends on the broker’s API capabilities.

Key ideas

  • A Python WebSocket client can bridge MQL5 file-based messages to a broker API.
  • The proposed EA requests account top-ups when equity drops below a configured threshold.
  • API application identifiers and appropriately scoped tokens are needed for broker operations.
  • The shown test response is permission denied, so the excerpt does not verify a successful transfer.
  • Unbounded top-ups can exhaust reserves, making loss and equity limits important safeguards.

Tags

ExecutionRisk management

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.