Download link does only work in Browser

Download link does only work in Browser

Christian
2021-02-02 07:31:58

Just wanted to get the Nasdaq downloader running again and found out the new link.

https://www.nasdaq.com/api/v1/historical/AAPL/stocks/2010-05-09/2021-02-02/

The CSV file is downloaded immediately in the browser, but the Quantshare downloader constantly reports "No Data are aviable".

I can't explain why the link works in the browser and not via Quantshare. I hope someone can explain this to me.

Thanks for the support

If anyone is interested, here is the URL script for the downloader:
DateTime start = Functions.GetEndDate();
// DateTime end = Functions.GetStartDate();
DateTime today = DateTime.Today;D
string symbol = Functions.GetValues("s");
string dateStart = start.ToString("yyyy-MM-dd", System.Globalization.CultureInfo.InvariantCulture);
string dateToday = today.ToString("yyyy-MM-dd", System.Globalization.CultureInfo.InvariantCulture);
Functions.AddURL("https://www.nasdaq.com/api/v1/historical/" + symbol + "/stocks/" + dateStart + "/" + dateToday + "/" , "Downloading...");

US Historical Quotes from NASDAQ website (by Brian Brown, uploaded several months ago)

No notes

QuantShare
2021-03-11 09:37:59

The reason is that the request expects some headers that are passed when requesting it in a browser.
In QuantShare and in the "Update Download Item" form, click on "Settings" button under "Settings" column.

Select "Request Headers" tab then copy the following:

accept: application/json, text/plain, */*
accept-encoding: gzip, deflate, br
accept-language: fr,en-US;q=0.9,en;q=0.8,ar;q=0.7,pl;q=0.6
origin: https://www.nasdaq.com
referer: https://www.nasdaq.com/
sec-ch-ua: "Chromium";v="88", "Google Chrome";v="88", ";Not A Brand";v="99"
sec-ch-ua-mobile: ?0
sec-fetch-dest: empty
sec-fetch-mode: cors
sec-fetch-site: same-site
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.190 Safari/537.36

Stefan
2021-03-12 04:25:23

Somehow I can't get the downloader to run either. Made the changes as suggested and still get no result.
Have read the header via Google Chrome, see here:

:authority: www.nasdaq.com
:method: GET
:path: /api/v1/historical/AAPL/stocks/2010-05-09/2021-03-12
:scheme: https
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
accept-encoding: gzip, deflate, br
accept-language: de-DE,de;q=0.9,en-US;q=0.8,en;q=0.7
cookie: ak_bmsc=2BDC5DD2E13FECBFFACA2CD9C59F95FE5C7AD7512C5400004F194B601C8FDA70~pl0b51Y/I7hZ/u7EGTvGHA+IseCkIRcIuvKD1+dVkTm/RIwb9zccWOaOL8E26yYo52o6ZxbZi6ZhwaR5uaNmqRTLR3Gjgrt9PNA035c5W0dFRZfLC526cHZIHdnfEfAipEkLRFDKeCVurfDRgRoihD8q2XRwcNRd08BKYnw7y30A+Z1zFzQRD0YP9D86mJB7fBpvpqBZHicd1+DpJ0xTlPxFBDle7gQIRctiGMldZ6VA8=; AKA_A2=A; bm_sv=A11EA9DD260B66669A5E0F5E43A9F7B6~3vwGmhL1Uts/ISD3pL9PGqcLuXq41LAyZvkY4f5i6ytrBaLjb5+9IY8ZgQHA0L9S5qlIdh6HH5hFlTmVyuOZNAan/n6QTTYpZFsbE7sOlT8JkxFyQaoDBGzT22MwPjhkVFp4sBePdHAlVGqzKWjEro2sVpad2oo/rUKpnY5MsfA=
sec-fetch-dest: document
sec-fetch-mode: navigate
sec-fetch-site: none
sec-fetch-user: ?1
upgrade-insecure-requests: 1
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.82 Safari/537.36

I myself do not know any programmers, but I have found a website which also deals with the problem, maybe this will help:
https://www.codeproject.com/Questions/5274565/Download-a-CSV-file-with-unknown-location-from-a-U

QuantShare
2021-03-12 09:34:41

It does work here using CSV as Content Type. The response for this API returned in QuantShare:

Date, Close/Last, Volume, Open, High, Low
02/02/2021, $134.99, 83305370, $135.73, $136.31, $134.61
02/01/2021, $134.14, 106239800, $133.75, $135.38, $130.93
01/29/2021, $131.96, 177523800, $135.83, $136.74, $130.21
01/28/2021, $137.09, 142621100, $139.52, $141.99, $136.7
01/27/2021, $142.06, 140843800, $143.43, $144.3, $140.41
...

Note that your request headers are wrong. They are not from the API call.
But it should be working with my request headers. Make sure you are not using any software that intercept http calls like charles or fiddler.

Stefan
2021-03-13 08:23:29

Now I tried to download it, without script and it was working fine.
There was only a flag in the download options wrong :)

Could you please explain me, how you I remove the currency symbold from the data.

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