Seamless Integration / Extensive Documentation / Free Market Data

Retrieve Real-Time, Intraday & Historical Market Data via API

The lemon.markets market data API provides you with access to stock market data of over 1500 ETFs and 6000 stocks. Retrieve historical prices or stream the price development of your favorites in real-time.

Historical Market Data

Retrieve Open-High-Low-Close (OHLC) data, historical quotes and historical trades. Specify the type of data you want to retrieve using query parameters: set a specific time period, retrieve multiple ISINs or set the numbers format that suits you best.

Real Time Market Data

Stream real time market data via WebSockets. Receive the latest Quotes and Trades without any delays and integrate them directly into your brokerage use case.

Get started with the lemon.markets Market Data API

Use historical or real time market data for your brokerage use case

Seamless integration

Integrate our stock database as well as historical & live market data quickly & easily into your project via our API.

Extensive Documentation

An extensive documentation covering many edge cases to help you start building. Extend by OpenAPI specs with Swagger if that's your preference.

It's free

The streaming of historical and real-time market data is available completely free of charge via our API. We only charge a subscription fee for your trading activity.

The lemon.markets Market Data API endpoints

Retrieve the latest prices or use the historical data of the last months. Go directly to the source or simply use our aggregations in candlestick format.

/quotes

Access the latest quotes (prices & volume) or make a request for a period of your choice.
Bid & Ask Price
Bid & Ask Volume
Up to 10 ISINs per request

/trades

Retrieve trades of instruments on a tick-per-tick basis for specific time frames.
Prices & volume
Tick-per-Tick data
Up to 10 ISINs per request

/ohlc

Directly retrieve aggregations of trades in candlestick format on a per-minute, hourly or daily basis.
Historical prices
Open, high, low, close
Aggregations on M1/H1/D1

Customise the API response to your needs

Easily alter your JSON response by using query parameters. Choose what data you want to see and in what format.

Define your customised time range

Use query parameters "from" and "to" to define the time range you are interested in

Choose your numbers format

Set query parameter "?decimals=true" to receive your data in decimal format. Not what you need? Set "?decimals=false" for int format.

Define the date format that fits your needs

Set query parameter "?epoch=true" to receive the dates in your market data as UNIX timestamp. Choose "?epoch=false" for ISO string dates.

Get started

Join lemon.markets

Register now and experience our API firsthand. Test your project within the Paper Trading API or start wiring funds to your account and place your first orders with the Trading API.


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As a tied agent under § 3 Sec. 2 WplG on the account and under the liability of DonauCapital Wertpapier GmbH, Passauer Str. 5, 94161 Ruderting (short: DonauCapital), lemon.markets GmbH offers you the receipt and transmission of orders for clients (§ 2 Sec. 2 Nr. 3 WpIG) of financial instruments according to § 3 Sec. 5 WpIG as well as brokerage of accounts.