---
title: "POST /v1/projects/{project}/instances/{instance}/addServerCertificate"
method: POST
path: "/v1/projects/{project}/instances/{instance}/addServerCertificate"
tags: ["instances"]
---

# POST /v1/projects/{project}/instances/{instance}/addServerCertificate

`POST /v1/projects/{project}/instances/{instance}/addServerCertificate`

Add a new trusted server certificate version for the specified instance using Certificate Authority Service (CAS) server CA. Required to prepare for a certificate rotation. If a server certificate version was previously added but never used in a certificate rotation, this operation replaces that version. There cannot be more than one certificate version waiting to be rotated in. For instances not using CAS server CA, use AddServerCa instead.

## Path parameters

- `project` string, required
- `instance` string, required

## Response `200`

Successful response

---

[API](https://skmtc.net/google/apis/sqladmin.md) · [All operations](https://skmtc.net/google/apis/sqladmin/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/google/sqladmin/versions/e9eef8a2afcd/schema)