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Editorial Team
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Asked: 2026-05-12T18:52:37+00:00

This relates to my other question on accessing a REST service that uses forms

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This relates to my other question on accessing a REST service that uses forms authentication, but I feel it is substantially enough a discrete issue.

When I paste a REST call into my browser address bar, before I am authenticated, I am redirected to a login page on the services web site. I log in and receive a cookie, which authenticates subsequent REST calls or user oriented page requests.

When I recreate the login screen locally and perform the same HTTPS POST that the online login screen performs, I get the error 422 – Unprocessable Entity. I have compared my POST request and that from their login screen, and there are precisely two headers that differ, being “Referer” and “Cookie”. Even when I set these headers in my request to the same as in their request, I still get the same error.

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1 Answer

  1. Editorial Team

    Any REST call you are typing into your address bar is an HTTP GET (or HTTPS GET) not POST –

    maybe this is the problem?

    just change

    <form method="POST">

    to

    <form method="GET">
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