Financial Data Platform

APIs for Stocks, Forex, and Crypto

Built by Developers for Developers

Polygon.io

Trusted by Top Companies, Governments, and Institutions

Google
Stanford
Robinhood
Alpaca
Ripple
Revolut
SEC

Use Any Language

Clients for All Major Development Languages

Create your application in any language you desire. No more C++/Java limitations. Use the technology you already know and spend your time creating, not integrating.

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package main
import (
    "fmt"
    websocket "github.com/gorilla/websocket"
)

const APIKEY = "YOUR_API_KEY"
const CHANNELS = "C.AUD/USD,C.USD/EUR,C.USD/JPY"

func main(){
    c, _, err := websocket.DefaultDialer.Dial("wss://socket.polygon.io/forex", nil )
    if err != nil {
        panic( err )
    }
    defer c.Close()
    c.WriteMessage( websocket.TextMessage, []byte( fmt.Sprintf("{\"action\":\"auth\",\"params\":\"%s\"}", APIKEY) ) )
    c.WriteMessage( websocket.TextMessage, []byte( fmt.Sprintf("{\"action\":\"subscribe\",\"params\":\"%s\"}", CHANNELS) ) )
    var msg interface{}
    for {
        err := c.ReadJSON( &msg ); if err != nil {
            panic( err )
        }
        fmt.Println( "Message:", msg )
    }
}

Accurate, Fast, and Reliable

Complete redundancy, horizontally scalable, built on proven technologies.

<1 millisecond

Ultra low latency

Equinix NY Datacenters

Same datacenters as the exchanges

1,000,000+

Multiple redundancies

Impeccable Reliability

Multiple redundancies

Create Powerful Visualizations

Develop for Any Platform

With our RESTful & WebSocket APIs you have cross platform access to create tools on any platform and operating system, in the coding language which fits you best.

Polygon.io

Success Stories

You're in Good Company

Data for BigQuery

Polygon has teamed up with Google to provide BigQuery public dataset for stock data.
Case Study Coming Soon

Powering Brokerage

Alpaca uses Polygon to power their cutting edge API first brokerage platform.
Case Study Coming Soon

Digital Banking & Trading

Revolut trusts Polygon to power their new trading application for US stocks.
Case Study Coming Soon