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• The 401 status code means Unauthorized. This server requests user authentication prior to fulfilling the document request.

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  Cite Definition for HTTP 401 Status Code Definition

  American Psychological Association (APA)

  HTTP 401 Status Code Definition. (n.d.). SEO Glossary.com. Retrieved March 28, 2023, from website: http://www.expertglossary.com/definition/http-401-status-code-definition.

  Chicago Manual of Style (CMS)

  HTTP 401 Status Code Definition. seoglossary.com. SEO Glossary.com. SEO Glossary.com. http://www.expertglossary.com/definition/http-401-status-code-definition (accessed: March 28, 2023).

  Modern Language Association (MLA)

  "HTTP 401 Status Code Definition." SEO Glossary.com. SEO Glossary.com. 28 March. 2023 http://www.expertglossary.com/definition/http-401-status-code-definition.

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