> Microsoft HTTPAPI is the Windows HTTP Server API behind IIS: what it is, why it appears on your site, what data it handles and what GDPR consent means here. > > Canonical: https://www.flowconsent.com/en/services/hosting/microsoft-httpapi Hosting # Microsoft HTTPAPI Unclassified · [Official website](https://learn.microsoft.com/en-us/windows/win32/http/http-api-start-page) Microsoft HTTPAPI is the HTTP Server API built into Windows (HTTP.sys), which receives and answers web requests for IIS and other Windows services. It often appears in the Server header of responses, for example on error pages. It is server infrastructure and does not set tracking cookies by itself. [Block Microsoft HTTPAPI until consent](https://app.flowconsent.com/auth/sign-up?utm_source=flowconsent.com\&utm_medium=referral\&utm_campaign=hosting) · [Scan my site](https://www.flowconsent.com/en/scan) At a glance - Category [Hosting](https://www.flowconsent.com/en/services/hosting) - Consent Unclassified - Prior consent Required - Documented cookies 0 Compliance ## Microsoft HTTPAPI and the GDPR Microsoft HTTPAPI is classified as “Unclassified”. On a site that targets European visitors, it must only load after the visitor consents, and it must be listed in your cookie policy. Cookies and trackers ## What Microsoft HTTPAPI sets and contacts The cookies of Microsoft HTTPAPI are not documented in the catalog yet. To see what is actually set on your site, run a free scan. 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