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MT4 · x86 sidecar · companion instance

The 32-bit MT4 sidecar.
Not the main API.

This instance serves only the few MT4 ManagerAPI calls that must run inside a 32-bit process against the original mtmanapi.dll. Everything else — MT5, the full MT4 surface, REST + SignalR realtime, OAuth — lives on the main API. They are meant to be used side by side.

x86 method reference ↗
Main API · x64

MT4 + MT5, every standard endpoint, SignalR realtime quotes & trade events, OAuth 2.0. This is what you integrate against day to day.

This sidecar · x86

A narrow set of MT4-only calls that crash or corrupt data on the 64-bit DLL. Call these here; everything else stays on the main API.

Available here · /api/v2/MT4/{tradePlatform}/…
  • ·Messaging — NewsSend, MailSend, MailsRequest
  • ·Plugins — PluginsGet, PluginParamGet, PluginUpdate, CfgRequestPlugin, CfgUpdatePlugin
  • ·Batch snapshots — UsersSnapshot, UsersSyncRead, TradesSnapshot, TradesSyncRead
  • ·Plugin commands — ExternalCommandBinary

Same OAuth bearer token and the same tradePlatform id as the main API. The sync reads (UsersSyncRead, TradesSyncRead) must be seeded by a matching SyncStart call on the main instance first.

Health · v2 docs