Broker Directory
API for OnFin — REST & WebSocket for MT4 & MT5
Operating as OnFin Ltd
Connect OnFin MT4 and MT5 accounts to a professional REST & WebSocket API. Retrieve live balances, execute trades, and stream real-time market data programmatically -- no terminal, no Expert Advisor, no MQL required.
Get API Access for OnFin
Set up in under 30 minutes. Works with any OnFin MT4 or MT5 account.
Get API Access →Is There an API for OnFin?
Yes. API2Trade is an independent REST and WebSocket API that bridges OnFin MT4 and MT5 trading accounts to external applications -- it is not operated by OnFin and is not a MetaTrader terminal replacement or Expert Advisor. You authenticate with your existing OnFin account credentials (or an API key), and API2Trade handles the live connection to OnFin's MT4/MT5 trading servers on your behalf. Once connected, you can retrieve live balance, equity, and margin data, execute or modify trades, and subscribe to real-time price and order-update streams over WebSocket -- all through standard HTTP and WebSocket calls in any programming language. No Expert Advisor, MQL code, or running MetaTrader terminal is required at any point, and setup typically takes under 30 minutes.
What You Can Do With the OnFin API
- Retrieve live balance, equity, margin, and full trading history via REST
- Open, modify, and close market or pending orders programmatically
- Subscribe to live quotes, order updates, and equity changes via WebSocket
- Manage unlimited OnFin accounts through a single API key
Where OnFin Operates
OnFin runs MT4/MT5 trading servers reachable from the following regions:
Need a dedicated VPS for OnFin instead?
If you need a low-latency Windows VPS running your own MetaTrader terminal or Expert Advisor near OnFin's trading servers, metatrader-vps.com -- a separate VPS-hosting service -- matches you to the closest available datacenter. (metatrader-vps.com does not provide REST/WebSocket API access; for programmatic account access without a terminal, use API2Trade above.)
Find a VPS for OnFin →Frequently Asked Questions
Does API2Trade support OnFin?
Yes. API2Trade connects to OnFin MT4 and MT5 accounts via REST and WebSocket, using standard investor/master credentials -- no Expert Advisor or running terminal required.
Do I need to install an EA to connect OnFin to an API?
No. API2Trade bridges the MetaTrader account directly, so no Expert Advisor deployment or MQL coding is required.
Is there a REST API for OnFin MT4/MT5?
Yes -- API2Trade exposes REST endpoints for account data and trade execution, plus a WebSocket feed for live quotes and order updates, for any OnFin MT4 or MT5 account.