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how to use URLfetch for use with http post

I'm not very strong with http and urlfetch, but I'm trying to log in to my TD-Ameritrade account with urlfetch here is the API description: login post request How do I pass the parameters and how do call urlfetch? what is a content type http header?

POSTED BY: Kay Herbert
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There maybe an issue with the documentation.

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From local documentation "BodyData" is there and works. The link in the previous post does say "Wolfram Language"?

POSTED BY: Hans Michel

I have version 10.1, cannot find BodyData but it works while Body does not.

POSTED BY: Kay Herbert

The Options section of the Documentation located has "Body" as the option for the payload. I am using Mathematica version 10.0.2 and the local documentation has "BodyData" as the option for the payload. I would go with your local documentation ref/URLFetch. I did not find it per se though, the payload concept is part of most HTTP Request/Response client and server implementations.

POSTED BY: Hans Michel

Thanks, that worked! Exactly what I was looking for. Where did you find the BodyData option?

POSTED BY: Kay Herbert

Kay Herbert:


    " number#",
    "Method" -> "Post",
    "Headers" -> {"Content-Type" -> "application/x-www-form-urlencoded"},
    "BodyData" -> "userid=#userid#&password=#password#&source=#sourceID#&version=#version number#\n\n",
    "Cookies" -> True,
    "VerifyPeer" -> True]

These variables are assigned by TD Ameritrade, hopefully you have them

  • userid=#userid#
  • password=#password#
  • source=#sourceID#
  • version=#version number#

Also assume you can fill in the proper Mathematica variables and re-work this starter code to work. So the #variable# should be replaced with the correct strings.


POSTED BY: Hans Michel
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