Institutional-grade stock data for your next big project

Revolutionize finance with access to the entire universe of US equities data via one standardized, intuitive, easy to use API. Stream real-time prices, retrieve historical data, company information, news, and more.

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By developers for developers

Made for builders, founders, scholars, dabblers, and dreamers

Standardized JSON / CSV.
Our data is available in both JSON and CSV formats, making it easy for you to integrate it into your application.
Client Libraries.
Our client libraries make it simple to access and use our data, so you can spend less time worrying about the technical details and more time building your application.
Tutorials & Examples.
We know that getting started with a new API can be hard, which is why we provide tutorials and examples to help you get up and running in no time.
from polygon import RESTClient

client = RESTClient("API_KEY")

aggs = []
for a in client.list_aggs(
    "AAPL",
    1,
    "minute",
    "2022-01-01",
    "2023-02-03",
    limit=50000,
):
    aggs.append(a)

print(aggs)
Rows of Data
0 Trillion+
Raw Data
0 Petabytes
Uptime
0%
Messages/sec
0 Million

Developer friendly access

Data for the entire universe of US stocks

Create your own applications, train models, backtest your strategies, and benchmark your success with the same level of accuracy as the pros.

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Company Tickers
0
Historical Data
0 Years
Market Coverage
0%

Timestamped to the nanosecond

Normalized real-time and historical market data

Each trade and quote message from all US Exchanges and darkpools. Allowing you to see into each candlestick bar to truly understand what's happening in the market.

// Stocks TRADE:
{
    "conditions": [
        12,
        37
    ],
    "exchange": 4,
    "id": "187115",
    "participant_timestamp": 1679702398739000000,
    "price": 160.23,
    "sequence_number": 5739937,
    "sip_timestamp": 1679702398741170000,
    "size": 1,
    "tape": 3,
    "trf_id": 12,
    "trf_timestamp": 1679702398741113300
}

Reference data included

Plus everything you need to know about a ticker and more

Extensive reference data from the most accurate and reliable sources. All information is standardized and accessible via our reference data API endpoints for ease of use.

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AAPL

Apple Inc.

Description

Apple designs a wide variety of consumer electronic devices, including smartphones (iPhone), tablets (iPad), PCs (Mac), smartwatches (Apple Watch), and AirPods. The iPhone makes up most of Apple's total revenue. In addition, Apple offers its customers a variety of services such as Apple Music, iCloud, Apple Care, Apple TV+, Apple Arcade, Apple Fitness, Apple Card, and Apple Pay, among others. Apple's products include internally developed software and semiconductors, and the firm is well known for its integration of hardware, software, semiconductors, and services. Apple's products are distributed online as well as through company-owned stores and third-party retailers. The company generates roughly 40% of its revenue from the Americas, with the remainder earned internationally.

Market Capitalization

$2.66 Trillion

Website

apple.com

List Date

December 12, 1980

Listing Exchange

Nasdaq

// Stocks Ticker Details:
{
    "ticker": "AAPL",
    "name": "Apple Inc.",
    "market": "stocks",
    "locale": "us",
    "primary_exchange": "XNAS",
    "type": "CS",
    "active": true,
    "currency_name": "usd",
    "cik": "0000320193",
    "composite_figi": "BBG000B9XRY4",
    "share_class_figi": "BBG001S5N8V8",
    "market_cap": 2666630778840,
    "phone_number": "(408) 996-1010",
    "address": {
        "address1": "ONE APPLE PARK WAY",
        "city": "CUPERTINO",
        "state": "CA",
        "postal_code": "95014"
    },
    "description": "Apple designs a wide variety of consumer electronic devices, including smartphones (iPhone), tablets (iPad), PCs (Mac), smartwatches (Apple Watch), and AirPods. The iPhone makes up most of Apple's total revenue. In addition, Apple offers its customers a variety of services such as Apple Music, iCloud, Apple Care, Apple TV+, Apple Arcade, Apple Fitness, Apple Card, and Apple Pay, among others. Apple's products include internally developed software and semiconductors, and the firm is well known for its integration of hardware, software, semiconductors, and services. Apple's products are distributed online as well as through company-owned stores and third-party retailers. The company generates roughly 40% of its revenue from the Americas, with the remainder earned internationally.",
    "sic_code": "3571",
    "sic_description": "ELECTRONIC COMPUTERS",
    "ticker_root": "AAPL",
    "homepage_url": "https://www.apple.com",
    "total_employees": 164000,
    "list_date": "1980-12-12",
    "branding": {
        "logo_url": "https://api.polygon.io/v1/reference/company-branding/d3d3LmFwcGxlLmNvbQ/images/2023-05-01_logo.svg",
        "icon_url": "https://api.polygon.io/v1/reference/company-branding/d3d3LmFwcGxlLmNvbQ/images/2023-05-01_icon.jpeg"
    },
    "share_class_shares_outstanding": 15821950000,
    "weighted_shares_outstanding": 15821946000,
    "round_lot": 100
}

Deploy faster

Intuitive & easy-to-use APIs

Effortlessly integrate market data into your applications using our intuitive developer-friendly APIs and comprehensive documentation that streamlines the integration process, allowing you to focus on building your application.

Mission critical market data

Rigorous data quality

Our multi-layered approach to data redundancy and backup ensures uninterrupted access to stock feeds, safeguarding your applications and tools against potential data loss.

Redundant Networks
We use 2 isolated networks to receive and consume stocks feed to prevent interruption in the event of hardware failures.
HA Steaming
Stock data flows through our system using a highly available messaging system ensuring uptime and speed.
Polygon Datastore
Historical data is stored in our nanosecond precision proprietary database - resulting in blazing fast API response times.
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Intuitive and easy-to-use

Powerful data, simple access

Choose the data access method that suits your needs and get started today.

Flat Files

Our S3 interface lets you access our flat files easily and seamlessly. With just a few clicks, you'll have the data you need to power your applications.

Explore datasets

API

Our Restful and WebSocket APIs provide flexible and powerful options for accessing our data. Whether you need real-time or historical data, we've got you covered.

View docs

SQL

Our SQL Query option lets you harness the power of SQL to access our data. With this flexible and intuitive option, you can easily customize queries to fit your needs.

Request access

Rewriting the rules of Wall Street

More than just a Stock Market API

We're challenging conventions and pioneering a new tech-forward, transparent approach to market data APIs.

Shattering the status quo
Our radical, user-centric approach disrupts traditional market data norms. We offer self-service access, transparent pricing, and clear documentation. Need expert advice on a market data API? We're right here to help. Welcome to a new era of financial technology.
Instant access
Redefining instant data access, our stock price API makes it simple to pull real-time prices into your application. A few lines of code are all you need, regardless of your programming language of choice. And the sign-up process? Just a couple of clicks, and you're in.
Relentless refinement
We're fanatically dedicated to refining our APIs. We listen, we iterate, and we continuously innovate to deliver groundbreaking products that meet the evolving demands of the financial ecosystem.
Modern historical data
We blend historical and current data through our stock market data API, enabling deep dives into derivative markets, forex, and crypto. We empower data-driven decisions with unparalleled accuracy.
Diverse market data APIs
We go beyond traditional stock data with our market data API, providing avenues into forex, options, indices, and more. We aim to give a comprehensive view of multiple financial landscapes.
Knowledge is power
We offer an extensive range of educational resources designed to maximize the utility of our stock data and other market data APIs. Our goal is to cultivate a culture of continuous learning and growth.
Community-centric approach
We are building an engaged community of developers by opening up unparalleled access to stock data and the broader financial market. We regularly engage with our developer community to understand the practical demands of market data applications, and we use those insights to help guide our direction.

Instant access. Cancel anytime.

Stocks data pricing

Developer-friendly unlimited access to stocks data.

Payment frequency
Basic
Great for trying our APIs
$0/month
Sign up
  • All US Stocks Tickers
  • 5 API Calls / Minute
  • 2 Years Historical Data
  • 100% Market Coverage
  • End of Day Data
  • Reference Data
  • Fundamentals Data
  • Corporate Actions
  • Technical Indicators
  • Minute Aggregates
Individual UseIndividual Use
Starter
Great for aggregates
$29/month
Sign up
  • WebSockets
  • All US Stocks Tickers
  • Unlimited API Calls
  • 5 Years Historical Data
  • 100% Market Coverage
  • 15-minute Delayed Data
  • Unlimited File Downloads
  • Reference Data
  • Fundamentals Data
  • Corporate Actions
  • Technical Indicators
  • Minute Aggregates
  • Snapshot
Individual UseIndividual Use
Developer
Great for historical data
$79/month
Sign up
  • 10 Years Historical Data
  • 100% Market Coverage
  • Unlimited File Downloads
  • Reference Data
  • Fundamentals Data
  • Corporate Actions
  • Technical Indicators
  • Minute Aggregates
  • WebSockets
  • All US Stocks Tickers
  • Unlimited API Calls
  • 15-minute Delayed Data
  • Snapshot
  • Second Aggregates
  • Trades
Individual UseIndividual Use
Advanced
Great for real-time data
$199/month
Sign up
  • 20+ Years Historical Data
  • 100% Market Coverage
  • Unlimited File Downloads
  • Reference Data
  • Fundamentals Data
  • Corporate Actions
  • Technical Indicators
  • Minute Aggregates
  • WebSockets
  • All US Stocks Tickers
  • Unlimited API Calls
  • Real-time Data
  • Snapshot
  • Second Aggregates
  • Trades
  • Quotes
Individual UseIndividual Use
Non-pros only

Need data for your business?

Explore plans designed to fuel your company's growth and give you a competitive edge in the financial industry.

View business pricing

What will you build?

Discover the power of a market data platform that breaks down barriers and levels the playing field.

Get startedView our API docs →

Frequently asked questions

Can’t find the answer you’re looking for? Check out our knowledge base or contact our team.

Committed to every commit

Developers love Polygon

"Cannot speak highly enough of the @polygon_io service and support. Great team and great products :) #fintech #marketdata #stocks"

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Ben Hagan
@ben_hagan

I just want to say that the best platform for stock data BY FAR is @polygon_io Complete satisfaction thank you!

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Darth Vader the Trader
@VaderTrader_

@polygon_io’s API docs are beautiful. I can’t seem to think of a better example of perfect documentation. Seriously impressed.

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Francisco Javier Arceo
@franciscojarceo

Shoutout to the @polygon_io team for having really awesome interactive documentation! I love that the docs auto-generate an adjustable query string for you!

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Jeremy Marx
@jeremydmarx

Developer friendly access

Explore more data

We're committed to providing fair access to the financial markets for everyone, not just the big players on Wall Street. That's why we offer the same institutional-level data access to both companies and individuals alike.