Best Most Comprehensive API for Stocks Financial Data

Question

What is the most recommended free public API for accessing financial market stats and stock quotes  preferrably real-time quotes   I m not too picky about how it s exposed  SOAP  REST  some proprietary XML setup  etc    as long as it s got some decent documentation   I m planning to build a simple web dashboard in PHP with some basic data  basically a quick-n-dirty homepage   but may want to grow it into a full blown web app eventually  Any thoughts   As I find some  I ll post a list here  feel free to comment if you ve used any of them before    Free   opentick  soprano     link doesn t work   Not Free   XigniteRealTime

User · Accepted Answer

Yahoo s api provides a CSV dump   Example  http   finance yahoo com d quotes csv s msft amp f price  I m not sure if it is documented or not  but this code sample should showcase all of the features  namely the stat types  parameter f in the query string    I m sure you can find documentation  official or not  if you search for it   http   www goldb org ystockquote html  Edit  I found some unofficial documentation   http   ilmusaham wordpress com tag stock-yahoo-data

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Last I looked -- a couple of years ago -- there wasn t an easy option and the  solution   which I did not agree with  was screen-scraping a number of websites  It may be easier now but I would still be surprised to see something  well  useful   The problem here is that the data is immensely valuable  and very expensive   so while defining a method of retrieving it would be easy  getting the trading venues to part with their data would be next to impossible  Some of the MTFs  currently  provide their data for free but I m not sure how you would get it without paying someone else  like Reuters  for it

User · Answer

I found the links and tips under this question to be helpful

User · Answer

Last I looked -- a couple of years ago -- there wasn t an easy option and the  solution   which I did not agree with  was screen-scraping a number of websites  It may be easier now but I would still be surprised to see something  well  useful   The problem here is that the data is immensely valuable  and very expensive   so while defining a method of retrieving it would be easy  getting the trading venues to part with their data would be next to impossible  Some of the MTFs  currently  provide their data for free but I m not sure how you would get it without paying someone else  like Reuters  for it

User · Answer

I usually find that ProgrammableWeb is a good place to go when looking for APIs

User · Answer

Last I looked -- a couple of years ago -- there wasn t an easy option and the  solution   which I did not agree with  was screen-scraping a number of websites  It may be easier now but I would still be surprised to see something  well  useful   The problem here is that the data is immensely valuable  and very expensive   so while defining a method of retrieving it would be easy  getting the trading venues to part with their data would be next to impossible  Some of the MTFs  currently  provide their data for free but I m not sure how you would get it without paying someone else  like Reuters  for it

User · Answer

Some of the brokerage firms like TDAmeritrade have APIs you can use to get streaming data from their servers   http   www tdameritrade com tradingtools partnertools api dev html

User · Answer

Some of the brokerage firms like TDAmeritrade have APIs you can use to get streaming data from their servers   http   www tdameritrade com tradingtools partnertools api dev html

User · Answer

Markit On Demand provides a set of free financial APIs for playing around with  Looks like there is a stock quote API  a stock ticker company search and a charting API available  Look at http   dev markitondemand com

User · Answer

I found the links and tips under this question to be helpful

User · Answer

I usually find that ProgrammableWeb is a good place to go when looking for APIs

User · Answer

Markit On Demand provides a set of free financial APIs for playing around with  Looks like there is a stock quote API  a stock ticker company search and a charting API available  Look at http   dev markitondemand com

User · Answer

Last I looked -- a couple of years ago -- there wasn t an easy option and the  solution   which I did not agree with  was screen-scraping a number of websites  It may be easier now but I would still be surprised to see something  well  useful   The problem here is that the data is immensely valuable  and very expensive   so while defining a method of retrieving it would be easy  getting the trading venues to part with their data would be next to impossible  Some of the MTFs  currently  provide their data for free but I m not sure how you would get it without paying someone else  like Reuters  for it

[web-services] Best/Most Comprehensive API for Stocks/Financial Data

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