Package Exports

@barchart/marketdata-api-js

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Readme

@barchart/marketdata-api-js

JavaScript library for accessing streaming market data from Barchart

Include streaming market data in your applications. Asset classes include equities, futures, and forex.

All you need is a username/password from Barchart and your app can be live within a matter of minutes. To obtain your credentials, please contact solutions@barchart.com. (Depending on your access level, and the symbol observed, feeds may be realtime or delayed).

Supported Environments

Browsers - Your target browser must support WebSockets (which all modern Browsers do). Also, the source code is written using ES6, so transpilation (with appropriate polyfills) is recommended before distribution.
Node.js - Node.js does not natively support WebSockets. So, third-party library called WS is used to connect to Barchart's servers.

Examples

Browser

Open the following file in your browser:

./example/browser/example.html

Or, visit the hosted page at:

https://examples.aws.barchart.com/marketdata-api-js/example.html

Node.js

Ensure you're running a recent version of Node.js (e.g. 8.1.0) and execute the example script as follows:

> node example/node/example.js {host} {username} {password} {comma-delimited symbol list}

Documentation

Wiki

Read the Wiki for full documentation

Code

JSDoc is used to document the source code. HTML documentation can be generated (into a "docs" folder), as follows:

> gulp document