# Dukascopy API: JForex in Java, and FIX 4.4 Independent and unofficial. Not affiliated with or endorsed by any broker or platform named here. Educational only: nothing here is advice, and nothing here recommends a broker or a trade. This is the markdown version of https://openbrokerapi.com/brokers/dukascopy, written from the same records as that page. Risk warning: CFDs and spread bets are complex instruments and come with a high risk of losing money rapidly due to leverage. You can lose money on these products, and each provider publishes its own loss figure under FCA rules. You should consider whether you understand how they work and whether you can afford to take the high risk of losing your money. Automated and API trading can amplify losses through bugs, connectivity failures and runaway orders. A Swiss bank with a Java API for its JForex platform and a FIX 4.4 API. - Kind: Broker API - Newest reading: 2026-10-12 - Official documentation: [dukascopy.com](https://www.dukascopy.com/swiss/english/forex/api/jforex-api/) - Everything recorded for Dukascopy, as one JSON file: https://openbrokerapi.com/data/brokers/dukascopy.json ## Dukascopy API rate limits and allowances One record per limit. The scope is part of the limit: a figure without its scope is not a figure you can pace against. - Connection attempts a minute: 5 connection attempts per minute - Scope: Per IP address, per FIX server - Status: verified. Source: [dukascopy.com](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. - Open positions: 100 open positions - Scope: FIX API. The guide does not say whether the count is per session or per account - Status: verified. Source: [dukascopy.com](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. - Orders a second: 16 orders per second - Scope: FIX API, orders only. The guide does not say whether the count is per session or per account - Status: verified. Source: [dukascopy.com](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. - Note: Orders, not every request. Stated in the introduction of the FIX API Programming Guide, revision 8.8.1. The JForex API pages opened state no limit. [Dukascopy API rate limits in full](https://openbrokerapi.com/brokers/dukascopy/rate-limits), with the related error codes. ## Access, authentication and streaming - How you get a key: Two routes of Dukascopy's own. The JForex API is a Java client library, shipped as the JForex SDK, that connects straight to Dukascopy's trade servers without the JForex platform running. The FIX API, on FIX 4.4, is described as for professional market participants: Dukascopy issues a TargetCompId, two SenderCompIds, a username and a password, and connections must come from IP addresses and ports agreed beforehand. The FIX page states no minimum deposit. - Status: verified. Source: [Dukascopy JForex API](https://www.dukascopy.com/swiss/english/forex/api/jforex-api/), checked 2026-10-12. - Status: verified. Source: [Dukascopy FIX API](https://www.dukascopy.com/swiss/english/forex/api/fix-api/), checked 2026-10-12. - Status: verified. Source: [Dukascopy FIX API Programming Guide, revision 8.8.1](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. - Demo: Partial: yes for the JForex API, where Dukascopy's wiki says every example program in the JForex SDK is written to run in demo mode and gives a separate connection address for live mode. Not stated for the FIX API: its page and its programming guide do not say whether a demo FIX session is offered. - Status: verified. Source: [Dukascopy wiki, JForex SDK LIVE mode](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/live-mode/), checked 2026-10-12. - Status: verified. Source: [Dukascopy wiki, JForex SDK client](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/sdk-client/), checked 2026-10-12. - Authentication: JForex API: the client connects with the platform's connection address, a username and a password. In live mode a connection from an IP address that is not registered also has to answer a captcha image for a PIN. FIX API: a Logon message carrying the username and password issued by Dukascopy, over an SSL encrypted TCP socket, from an agreed IP address. - Status: verified. Source: [Dukascopy wiki, JForex SDK LIVE mode](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/live-mode/), checked 2026-10-12. - Status: verified. Source: [Dukascopy FIX API Programming Guide, revision 8.8.1](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. - Streaming: JForex API: live data arrives through the client once you subscribe to instruments explicitly, and the subscription is asynchronous. FIX API: two FIX connections per client, one for the data feed and one for trading. A dropped FIX session that is not restored within 2 hours is disconnected. - Status: verified. Source: [Dukascopy wiki, JForex SDK client](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/sdk-client/), checked 2026-10-12. - Status: verified. Source: [Dukascopy FIX API Programming Guide, revision 8.8.1](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. - Rate limits, as worded: FIX API: at most 16 orders a second, at most 100 open positions, and five connection attempts a minute per server for each IP address, per the FIX API Programming Guide, revision 8.8.1, re-read 12 Oct 2026. The JForex API pages opened state no request limit, which is not evidence that there is none. - Status: verified. Source: [Dukascopy FIX API Programming Guide, revision 8.8.1](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. ## Dukascopy API SDKs and wrappers - JForex SDK (Java, Official): Dukascopy's own SDK, downloadable from its wiki, with dependencies in a public Dukascopy Maven repository. Lets a Java program use the JForex API without the JForex client. - Status: verified. Source: [dukascopy.com](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/), checked 2026-10-12. ## Dukascopy API: questions and answers ### Does Dukascopy have an API? Yes. This register records Dukascopy as having its own API (JForex API (Java SDK) and FIX 4.4), with availability marked as active. A Swiss bank with a Java API for its JForex platform and a FIX 4.4 API. - Status: verified. Source: [Dukascopy JForex API](https://www.dukascopy.com/swiss/english/forex/api/jforex-api/), checked 2026-10-12. ### Dukascopy API key: how do I get one? Two routes of Dukascopy's own. The JForex API is a Java client library, shipped as the JForex SDK, that connects straight to Dukascopy's trade servers without the JForex platform running. - Status: verified. Source: [Dukascopy JForex API](https://www.dukascopy.com/swiss/english/forex/api/jforex-api/), checked 2026-10-12. - Status: verified. Source: [Dukascopy FIX API](https://www.dukascopy.com/swiss/english/forex/api/fix-api/), checked 2026-10-12. - Status: verified. Source: [Dukascopy FIX API Programming Guide, revision 8.8.1](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. ### Dukascopy API demo: is there a demo or sandbox? Partial: yes for the JForex API, where Dukascopy's wiki says every example program in the JForex SDK is written to run in demo mode and gives a separate connection address for live mode. - Status: verified. Source: [Dukascopy wiki, JForex SDK LIVE mode](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/live-mode/), checked 2026-10-12. - Status: verified. Source: [Dukascopy wiki, JForex SDK client](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/sdk-client/), checked 2026-10-12. ### What are the Dukascopy API rate limits? Connection attempts a minute: 5 connection attempts per minute. Scope: Per IP address, per FIX server. Open positions: 100 open positions. Scope: FIX API. The guide does not say whether the count is per session or per account. Orders a second: 16 orders per second. Scope: FIX API, orders only. The guide does not say whether the count is per session or per account. As the record words it: FIX API: at most 16 orders a second, at most 100 open positions, and five connection attempts a minute per server for each IP address, per the FIX API Programming Guide, revision 8.8.1, re-read 12 Oct 2026. - Status: verified. Source: [dukascopy.com](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. ### How does Dukascopy API authentication work? JForex API: the client connects with the platform's connection address, a username and a password. In live mode a connection from an IP address that is not registered also has to answer a captcha image for a PIN. - Status: verified. Source: [Dukascopy wiki, JForex SDK LIVE mode](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/live-mode/), checked 2026-10-12. - Status: verified. Source: [Dukascopy FIX API Programming Guide, revision 8.8.1](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. ### Does the Dukascopy API support streaming? JForex API: live data arrives through the client once you subscribe to instruments explicitly, and the subscription is asynchronous. FIX API: two FIX connections per client, one for the data feed and one for trading. - Status: verified. Source: [Dukascopy wiki, JForex SDK client](https://www.dukascopy.com/wiki/en/development/get-started-api/use-jforex-sdk/sdk-client/), checked 2026-10-12. - Status: verified. Source: [Dukascopy FIX API Programming Guide, revision 8.8.1](https://www.dukascopy.com/media-storage/3000474271/o/), checked 2026-10-12. [Dukascopy API questions, each answered in a sentence or two](https://openbrokerapi.com/answers/dukascopy). ## Partner programme Not verified. No programme page could be opened at the last check, 2026-10-05, which is not evidence that no programme exists. [The Dukascopy partner programme record](https://openbrokerapi.com/partners/dukascopy). This site carries no affiliate links. ## Licence and how to cite The limit records on this page come from the limits register, which is CC BY 4.0 (https://openbrokerapi.com/data/limits.json). Everything else on it comes from records that are all rights reserved. This file is the page itself, at its own address, in another format, and it is not part of the CC BY 4.0 downloads listed at https://openbrokerapi.com/data. Cite as: Dukascopy API: JForex in Java, and FIX 4.4. Broker API Hub, https://openbrokerapi.com/brokers/dukascopy, newest check 2026-10-12. Where you rely on a single figure, cite the source and the checked date printed beside it as well. Where this page and a broker's own documentation differ, the documentation wins.