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Tell HN: Yahoo Finance has apparently killed its API

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Re: Tell HN: Yahoo Finance has apparently killed its API

#71
post #15

They broke functionality on their own pages, yikes. E.g. the export button on the desktop version of https://finance.yahoo.com/quotes/MMM,IBM/view/v1?ql=1

There are lots of talented Yahoo employees who read HN, and cringe at what teams on the other side of campus are doing.

Re: Tell HN: Yahoo Finance has apparently killed its API

#72
post #49

Earlier quoted context omitted.

Downloading a csv isn’t scraping.

I don't know if the csv was meant to be an api or just giving the option to someone visiting yahoo finance (and therefore viewing ads) the ability to download data they viewed. If you go straight to the data and bypass the ads, you are sort of scraping.

Well the geniuses at Yahoo also broke their own site--if you go to Yahoo Finance and try use their own download link it takes you to the same message. So they must not actually care about the ads.

Re: Tell HN: Yahoo Finance has apparently killed its API

#73
post #57
post #44

Yeah. It's been on & off for a while but yesterday looks like it went for good. I had to fix my script switching to: http://www.bloomberg.com/markets/api/quote-page/{CURRENCY_PA...

is it documented somewhere or you just analyzed your browser requests?

You'll get IP banned if you go beyond a certain threshold, but looks like you can find other API endpoints by looking at browser requests.

Re: Tell HN: Yahoo Finance has apparently killed its API

#74
post #45

Earlier quoted context omitted.

You'd think after you take down an API you've be furiously checking the server logs for any referrers coming from inside the house.

Half dead company running on fumes. They probably don't even know half of what they run, let alone have staff to check the logs.

"Half dead company running on fumes"

And for good reason. I don't go to yahoo for its clever articles or its mail or its search function ... I go to download currency commodity and stock information.

At least they could have explored offering the million people like me the info for a couple of bucks a month ... 2 million a month is worth looking at.

Instead a cryptic adios ... its brand suicide (or murder seeing how verizon owns them now)

Re: Tell HN: Yahoo Finance has apparently killed its API

#75
I'm writing an article about this... Questions to anybody that knows:

1. it looks like this was just a CSV download. Was any form of authentication (even just a Yahoo login) required to download the CSV? I'm just trying to figure out how, if Yahoo actually thought of issuing a warning, it would have known who to send it too or how to get news of the shutdown circulated to the right people.

2. If it was a CSV download, how up to date was the data?

3. Does anybody have a sample URI for a filtered version of this CSV request. For example, just two symbols?

Thanks

David Berlind ProgrammableWeb

Re: Tell HN: Yahoo Finance has apparently killed its API

#76
post #5

There's a thread about this on Yahoo!s own forums: https://forums.yahoo.net/t5/Yahoo-Finance-help/http-download... I am incredibly amused by the person who refers to himself as a customer of this. If you want to be treated like a customer, find someone who will charge you money in exchange for the service provided.

Sorry in this day and age using a product makes you a customer and the product. Facebook, Google considers you one.

Re: Tell HN: Yahoo Finance has apparently killed its API

#78
post #40
post #15

They broke functionality on their own pages, yikes. E.g. the export button on the desktop version of https://finance.yahoo.com/quotes/MMM,IBM/view/v1?ql=1

Recursive Yahoo TOS violation

Terms of Service violate the Terms of Service ...

Re: Tell HN: Yahoo Finance has apparently killed its API

#79
There are a lot of good free alternatives on the comments but I'm curious how reliable they are.

Obviously, Xignite is the leader in paid service but it's way too expensive for startups (approximately 20k for the cheapest option).

IEX and AlphaVantage have decent customer support so I trust them, but I'd rather have a cheaper, paid service.

Re: Tell HN: Yahoo Finance has apparently killed its API

#80
post #5

There's a thread about this on Yahoo!s own forums: https://forums.yahoo.net/t5/Yahoo-Finance-help/http-download... I am incredibly amused by the person who refers to himself as a customer of this. If you want to be treated like a customer, find someone who will charge you money in exchange for the service provided.

The last post on another Yahoo! forum[1] is from an admin that says:

The new download issue which began 11/01/17 and returning an error 999 for most users is currently being investigated and we hope to have it resolved soon

This was before the TOS violation response was being returned so I'm assuming not everyone in Yahoo! was prepared to deal with this.

[1] https://forums.yahoo.net/t5/Yahoo-Finance-help/Is-Yahoo-Fina...

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