---
title: What is a CSR?
description: "CSR stands Certificate Signing Request. A CSR is a special key generated by a web server using that server's unique private key. The CSR is sent to the certificate issuer, which generates the final certificate."
url: "https://getsimple.net/knowledgebase/what-is-a-csr/"
updated: "2021-07-13"
category: SSL Certificates
---

# What is a CSR?

CSR stands Certificate Signing Request. A CSR is a special key generated by a web server using that server's unique private key. The CSR is sent to the certificate issuer, which generates the final certificate.