Yahoo finance API seems to be the most popular since Google Finance API has been deprecated have been discontinued in October If you want to try another provider, feel free to look at 96 Stocks APIs: A response of a Yahoo Community Manager on is NO:.

Robyn Tippins Community Manager, YDN. The same Robyn Tippins also mentioned on previous comment why the webservice is online:.

WSDL%2CSOAP%2CWEB%2CServices%2CSearch%2CEngine | Stock Prices | Quote Comparison - Yahoo Finance

It appears some have reverse engineered an API that they use to pull Finance data, but they are breaking our Terms of Service no redistribution of Finance data in doing this so I would encourage you to avoid using these webservices. An interesting comment explains redistribution rights of Yahoo financial datas:. You cannot use their data for redistribution no matter what the case is even if its a free website. I run three financial websites including one free one and can tell you that the issue is not with Yahoo!

Finance, but with who they pull their data from, which is typically either straight from the exchanges or from a data aggregator like Morningstar, Thomson Reuters, Interactive Data, etc. You are required to sign redistribution agreements and pay redistribution fees with each exchange you display prices from even if you are pulling the data from a data aggregator and not directly from the exchange.

Point being, you need to go directly to the exchanges or to a data aggregator that offers redistribution still need to sign redistribution agreements.

Note that your are still considered to be redistribution data even if you are just displaying the prices on your website and not actually allowing the users to download the data. Redistribution of delayed equities prices is actually free anyways, but you still have to sign a redistribution agreement with the exchanges.

You will also need to purchase access to a web service that offers the prices. You wont be able to find a decent quality web service without paying a fee, which is typically based on the number of hits and sometimes data points you consume. I know 3 ways to fetch Stock quotes from Yahoo API:.

Under the hood, the YQL Open Data Table is really just using the yahoo CSV API to actually get the stock prices. You can check on Github and yahoo.

The interesting point on using YQL is that you can personalize your response format json or xml and properties. See Getting stock information with YQL and open data tables article from YQL Blog for more details.

You can use the YahooFinanceAPI. YQL Usage information and limits. The main issue was the availability of datatables. An older post on YQL Forum mention this issue in When it occured, as temporary fix, we updated the url of YQL to fetch directly the table from yql-tables GitHub repository.

To achieve it we use following YQL statement:. All of these 3 requests ran on a period of 2 min.

Get Realtime Stock Quotes using Yahoo Finance API

Seems that Yahoo has interrupted this webservice on middle of The Yahoo finance webservice API is pretty straight forward comparing to both solutions above.

You can request multiple quotes using separated commas params: Some nice posts provide tips and tricks to create Yahoo Finance charts. It uses the open source D3FC , a collection of components that make it easy to build interactive charts with D3. See an example of Candlestick series using D3FC.

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Get Realtime Stock Quotes using Yahoo Finance API. March 13th, Yahoo finance API seems to be the most popular since Google Finance API has been deprecated have been discontinued in October Legality of use of Yahoo! A response of a Yahoo Community Manager on is NO: Robyn Tippins Community Manager, YDN The same Robyn Tippins also mentioned on previous comment why the webservice is online: Licensed Uses and Restrictions […] YOU SHALL NOT: How to fetch Stock Quotes?

I know 3 ways to fetch Stock quotes from Yahoo API: Yahoo YQL Finance API: YQL Usage information and limits What this means: Using the Public API without authentication , you are limited to 2, requests per hour per IP or up to a total of 48, requests a day.

Using the Private API with OAuth authentication using an API key , you are limited to 20, requests per hour per IP and you are limited to , requests per day per API Key. Issues Using YQL and Open Data Tables Unreachable datatables. To achieve it we use following YQL statement: