diff --git a/deploy/proxmoxve.sh b/deploy/proxmoxve.sh
new file mode 100644
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--- /dev/null
+++ b/deploy/proxmoxve.sh
@@ -0,0 +1,132 @@
+#!/usr/bin/env sh
+
+# Deploy certificates to a proxmox virtual environment node using the API.
+#
+# Environment variables that can be set are:
+# `DEPLOY_PROXMOXVE_SERVER`: The hostname of the proxmox ve node. Defaults to
+#                            _cdomain.
+# `DEPLOY_PROXMOXVE_SERVER_PORT`: The port number the management interface is on.
+#                                 Defaults to 8006.
+# `DEPLOY_PROXMOXVE_NODE_NAME`: The name of the node we'll be connecting to.
+#                               Defaults to the host portion of the server
+#                               domain name.
+# `DEPLOY_PROXMOXVE_USER`: The user we'll connect as. Defaults to root.
+# `DEPLOY_PROXMOXVE_USER_REALM`: The authentication realm the user authenticates
+#                                with. Defaults to pam.
+# `DEPLOY_PROXMOXVE_API_TOKEN_NAME`: The name of the API token created for the
+#                                    user account. Defaults to acme.
+# `DEPLOY_PROXMOXVE_API_TOKEN_KEY`: The API token. Required.
+
+proxmoxve_deploy() {
+  _cdomain="$1"
+  _ckey="$2"
+  _ccert="$3"
+  _cca="$4"
+  _cfullchain="$5"
+
+  _debug _cdomain "$_cdomain"
+  _debug2 _ckey "$_ckey"
+  _debug _ccert "$_ccert"
+  _debug _cca "$_cca"
+  _debug _cfullchain "$_cfullchain"
+
+  # "Sane" defaults.
+  _getdeployconf DEPLOY_PROXMOXVE_SERVER
+  if [ -z "$DEPLOY_PROXMOXVE_SERVER" ]; then
+    _target_hostname="$_cdomain"
+  else
+    _target_hostname="$DEPLOY_PROXMOXVE_SERVER"
+    _savedeployconf DEPLOY_PROXMOXVE_SERVER "$DEPLOY_PROXMOXVE_SERVER"
+  fi
+  _debug2 DEPLOY_PROXMOXVE_SERVER "$_target_hostname"
+
+  _getdeployconf DEPLOY_PROXMOXVE_SERVER_PORT
+  if [ -z "$DEPLOY_PROXMOXVE_SERVER_PORT" ]; then
+    _target_port="8006"
+  else
+    _target_port="$DEPLOY_PROXMOXVE_SERVER_PORT"
+    _savedeployconf DEPLOY_PROXMOXVE_SERVER_PORT "$DEPLOY_PROXMOXVE_SERVER_PORT"
+  fi
+  _debug2 DEPLOY_PROXMOXVE_SERVER_PORT "$_target_port"
+
+  _getdeployconf DEPLOY_PROXMOXVE_NODE_NAME
+  if [ -z "$DEPLOY_PROXMOXVE_NODE_NAME" ]; then
+    _node_name=$(echo "$_target_hostname" | cut -d. -f1)
+  else
+    _node_name="$DEPLOY_PROXMOXVE_NODE_NAME"
+    _savedeployconf DEPLOY_PROXMOXVE_NODE_NAME "$DEPLOY_PROXMOXVE_NODE_NAME"
+  fi
+  _debug2 DEPLOY_PROXMOXVE_NODE_NAME "$_node_name"
+
+  # Complete URL.
+  _target_url="https://${_target_hostname}:${_target_port}/api2/json/nodes/${_node_name}/certificates/custom"
+  _debug TARGET_URL "$_target_url"
+
+  # More "sane" defaults.
+  _getdeployconf DEPLOY_PROXMOXVE_USER
+  if [ -z "$DEPLOY_PROXMOXVE_USER" ]; then
+    _proxmoxve_user="root"
+  else
+    _proxmoxve_user="$DEPLOY_PROXMOXVE_USER"
+    _savedeployconf DEPLOY_PROXMOXVE_USER "$DEPLOY_PROXMOXVE_USER"
+  fi
+  _debug2 DEPLOY_PROXMOXVE_USER "$_proxmoxve_user"
+
+  _getdeployconf DEPLOY_PROXMOXVE_USER_REALM
+  if [ -z "$DEPLOY_PROXMOXVE_USER_REALM" ]; then
+    _proxmoxve_user_realm="pam"
+  else
+    _proxmoxve_user_realm="$DEPLOY_PROXMOXVE_USER_REALM"
+    _savedeployconf DEPLOY_PROXMOXVE_USER_REALM "$DEPLOY_PROXMOXVE_USER_REALM"
+  fi
+  _debug2 DEPLOY_PROXMOXVE_USER_REALM "$_proxmoxve_user_realm"
+
+  _getdeployconf DEPLOY_PROXMOXVE_API_TOKEN_NAME
+  if [ -z "$DEPLOY_PROXMOXVE_API_TOKEN_NAME" ]; then
+    _proxmoxve_api_token_name="acme"
+  else
+    _proxmoxve_api_token_name="$DEPLOY_PROXMOXVE_API_TOKEN_NAME"
+    _savedeployconf DEPLOY_PROXMOXVE_API_TOKEN_NAME "$DEPLOY_PROXMOXVE_API_TOKEN_NAME"
+  fi
+  _debug2 DEPLOY_PROXMOXVE_API_TOKEN_NAME "$_proxmoxve_api_token_name"
+
+  # This is required.
+  _getdeployconf DEPLOY_PROXMOXVE_API_TOKEN_KEY
+  if [ -z "$DEPLOY_PROXMOXVE_API_TOKEN_KEY" ]; then
+    _err "API key not provided."
+    return 1
+  else
+    _proxmoxve_api_token_key="$DEPLOY_PROXMOXVE_API_TOKEN_KEY"
+    _savedeployconf DEPLOY_PROXMOXVE_API_TOKEN_KEY "$DEPLOY_PROXMOXVE_API_TOKEN_KEY"
+  fi
+  _debug2 DEPLOY_PROXMOXVE_API_TOKEN_KEY _proxmoxve_api_token_key
+
+  # PVE API Token header value. Used in "Authorization: PVEAPIToken".
+  _proxmoxve_header_api_token="${_proxmoxve_user}@${_proxmoxve_user_realm}!${_proxmoxve_api_token_name}=${_proxmoxve_api_token_key}"
+  _debug2 "Auth Header" _proxmoxve_header_api_token
+
+  # Ugly. I hate putting heredocs inside functions because heredocs don't
+  # account for whitespace correctly but it _does_ work and is several times
+  # cleaner than anything else I had here.
+  #
+  # This dumps the json payload to a variable that should be passable to the
+  # _psot function.
+  _json_payload=$(
+    cat <<HEREDOC
+{
+  "certificates": "$(tr '\n' ':' <"$_cfullchain" | sed 's/:/\\n/g')",
+  "key": "$(tr '\n' ':' <"$_ckey" | sed 's/:/\\n/g')",
+  "node":"$_node_name",
+  "restart":"1",
+  "force":"1"
+}
+HEREDOC
+  )
+  _debug2 Payload "$_json_payload"
+
+  # Push certificates to server.
+  export _HTTPS_INSECURE=1
+  export _H1="Authorization: PVEAPIToken=${_proxmoxve_header_api_token}"
+  _post "$_json_payload" "$_target_url" "" POST "application/json"
+
+}