The Future of Market Data

With 24/7 access to the universe of U.S. financial market data, the Market Data API offers an unmatched, one-stop solution for traders and developers alike.

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Multi-Asset Data Coverage

All U.S. Market Data, One Flat Fee

Get complete access to U.S. stocks, options, ETFs, mutual funds, and more — all included in a single membership. No upsells, no add-ons. Just one simple plan for everything you need.

Stocks

Harness real-time quotes and decades of historical pricing data. Access fundamental data, earnings, and more.

Options

Master volatility. Get current and historical options quotes and option chains.

ETFs

Performance data for all index funds and manager-managed funds that trade in the US.

Mutual Funds

Venture into the landscape of mutual funds with our pricing and performance data.

Closed-End Funds

Discover the advantages of CEFs with Market Data's historical pricing and performance metrics.

Indices

Coming Soon. Empower your strategy with top-tier equity indices from the US and beyond.

Futures

Coming Soon. Historical and front month futures pricing for insights into the global commodities trade.

Currencies

Coming Soon. Defy borders, redefine trading. Dive fearlessly into currencies data.

Crypto

Coming Soon. Elevate your crypto trading. Power-packed data for crypto champions.

Bonds

Coming Soon. Master fixed income securities, explore yield curves, and immerse yourself in bond data.

Economic Indicators

Coming Soon. From employment rates to inflation, gain a 360-degree view of the US economy with our economic indicators.

Unparalleled Ease-of-Use

Get Started Faster with Our Developer-Friendly Features

Building with the Market Data API is not just about comprehensive data coverage; it's also about unparalleled ease-of-use. Whether you're a beginner or an experienced developer, you'll appreciate how our API has been designed to get you up and running as quickly as possible. Here are some of the features that make it happen:

Parameter dateformat

Unix, ISO timestamp & spreadsheet date formats

Choose the date format that best fits your project requirements, giving you the flexibility to integrate seamlessly with different platforms. Our API handles all date conversions, daylight savings time shifts, and frees you to focus on more important issues.

Seconds from the unix epoch
ISO 8601 timestamp with exchange timezone
Days from Microsoft Excel / Google Sheets epoch

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{// Unix timestamps
  "s": "ok",
  "o": [217.68, 221.03, 219.89],
  "h": [222.49, 221.5, 220.94],
  "l": [217.19, 217.1402, 218.83],
  "c": [221.03, 218.55, 220],
  "t": [1569297600, 1569384000, 1569470400],
  "v": [33463820, 24018876, 20730608]
}

{   // ISO 8601 with exchange timezone
  "s": "ok",
  "o": [217.68, 221.03, 219.89],
  "h": [222.49, 221.5, 220.94],
  "l": [217.19, 217.1402, 218.83],
  "c": [221.03, 218.55, 220],
  "t": ["2019-09-24T00:00:00-04:00", "2019-09-25T00:00:00-04:00", "2019-09-26T00:00:00-04:00"],
  "v": [33463820, 24018876, 20730608]
}

{   // Excel/Sheets timestamp
  "s": "ok",
  "o": [217.68, 221.03, 219.89],
  "h": [222.49, 221.5, 220.94],
  "l": [217.19, 217.1402, 218.83],
  "c": [221.03, 218.55, 220],
  "t": [43732.166666666664, 43733.166666666664, 43734.166666666664],
  "v": [33463820, 24018876, 20730608]
}

Parameter human

Human Readable Output

Generate tabular data with human-readable output that can be printed directly to the screen, with error/status messaging suppressed. Make debugging and data interpretation straightforward, saving you time in development and analysis.

Straightforward debugging and data interpretation
Save time in development and analysis
Render data directly to the screen with no transformation
Status & error messaging suppressed

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// Request status included
// Compressed keys
{
  "s": "ok",
  "o": [217.68, 221.03, 219.89],
  "h": [222.49, 221.5, 220.94],
  "l": [217.19, 217.1402, 218.83],
  "c": [221.03, 218.55, 220],
  "t": [1569297600, 1569384000, 1569470400],
  "v": [33463820, 24018876, 20730608]
}


// Request status omitted
// Human-readable keys
// Data can be sent directly to screen
{
  "Open":   [217.68, 221.03, 219.89],
  "High":   [222.49, 221.5, 220.94],
  "Low":    [217.19, 217.1402, 218.83],
  "Close":  [221.03, 218.55, 220],
  "Date":   [1569297600, 1569384000, 1569470400],
  "Volume": [33463820, 24018876, 20730608]
}

Parameter format

Work in the Data Format That Suits Your Project

All output can be formatted as JSON or CSV. Flexibility to work in the data format that suits your project, making it easier to integrate with different tools and platforms.

Every endpoint can output both json and csv formats
Combine csv format with spreadsheet dates & human-readable output to generate complete spreadsheets with a single API request
Error messaging and status columns are omitted from spreadsheet output

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// JSON output
{
  "s": "ok",
  "o": [217.68, 221.03, 219.89],
  "h": [222.49, 221.5, 220.94],
  "l": [217.19, 217.1402, 218.83],
  "c": [221.03, 218.55, 220],
  "t": [1569297600, 1569384000, 1569470400],
  "v": [33463820, 24018876, 20730608]
}


// CSV output
o,h,l,c,t,v
217.68,222.49,217.19,221.03,1569297600,33463820
221.03,221.5,217.1402,218.55,1569384000,24018876
219.89,220.94,218.83,220,1569470400,20730608

Parameter columns

Get Precisely What You Need

You can include or suppress columns in output to receive exactly the data needed. Columns are returned in order you request them. Get precisely what you need, no more and no less, optimizing data loads and application performance.

Get exactly the data needed
Columns are returned in order you request them
Ideal use-case: Dataframes or spreadsheets

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// Stock Candle endpoint
// Standard output
{
  "s": "ok",
  "o": [217.68, 221.03, 219.89],
  "h": [222.49, 221.5, 220.94],
  "l": [217.19, 217.1402, 218.83],
  "c": [221.03, 218.55, 220],
  "t": [1569297600, 1569384000, 1569470400],
  "v": [33463820, 24018876, 20730608]
}


// Stock Candle endpoint
// Only 2 columns requested
{
  "c": [221.03, 218.55, 220],
  "t": [1569297600, 1569384000, 1569470400]
}

Recent API & Sheets Tutorials

Get up and running quickly with our API and Google Sheets Add-on. Learn how to access real-time or historic market data programaticlly or in your spreadsheet. View all View all

2023-02-07 • Market Data

How To Use the Stock Market API — With Examples!

Get real-time and historical market data from the stock market api. Learn quickly with easy to use examples that work right from your browser.

2023-09-29 • Market Data

How To Use The Free Stock Market API: A Guided Tour of our Swagger UI

Finally, a free stock market API without scraping or proxies. Learn how to get stock pricing data, both current and historical, using swagger.

2023-04-27 • Market Data

How To Use The Stock Market Holidays API

Use the stock market holidays API to get the open or closed status for any date in the past, present or future.

2022-10-18 • Market Data

How To Use The Option Chain API — With Examples!

The Option Chain API allows for ample sorting & filtering during each request, making it easy to get exactly the data you need.

2023-02-09 • Market Data

How To Use The Historical Stock Data API

Learn by example and get started with the historical stock data api. Both daily and intraday data is available going back decades.

2023-01-24 • Market Data

How To Use The Option Data API — With Examples!

The Option Data API allows you to easily get a real-time or historical option quote for stock, ETF, or index options.

2024-05-23 • Market Data

How To Use The Mutual Fund API

Learn by example and get started with the mutual fund api. Get candlestick and pricing data going back decades.

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