Postman [GET: url] Request Returning 200 OK; Python 'requests.get(url)' returning 403 Forbidden

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Hello,

When running a Postman GET Request on website ‘Reata Pharmaceuticals Inc. - About Us’ using no authentication, I get a full HTML payload. However, when using Python’s requests or http.client, I get a 403 forbidden status code, even though I didn’t use any authentication on Postman. Is there any reason for this discrepancy?

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Try specifying a user-agent in your headers

'user-agent': "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"

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It worked for me. Looks like TIBCO platform have a kind of firewall that rejects requests that are not from a browser.