# Download certificate private key

Downloads the private key of a certificate.

Endpoint: POST /certificates/{certId}
Version: 0.0.1

## Path parameters:

  - `certId` (string, required)
    Certificate id

## Request fields (application/json):

  - `password` (string)
    The password to use to encrypt the private key. If encryption is not required, please leave it blank.

  - `includeChain` (boolean)
    Whether to include the certificate chain in the download.