---
title: "bird workspace mtls certificate-authorities"
description: "Manage the certificate authorities that issue your client certificates"
canonical: "https://bird.com/docs/cli/reference/workspace-mtls-certificate-authorities"
---

# `bird workspace mtls certificate-authorities`

## Usage

```bash
bird workspace mtls certificate-authorities
```

## Description

Manage the certificate authorities that issue your client certificates

Reads return JSON. Mutations take flags and/or a --body-file JSON body (flags overriding); run --example to print the body shape or --dry-run to preview the request. Destructive commands require --yes.

## Commands

| Name                                                                          | Description                          |
| ----------------------------------------------------------------------------- | ------------------------------------ |
| [`create`](/docs/cli/reference/workspace-mtls-certificate-authorities-create) | Add an mTLS certificate authority    |
| [`delete`](/docs/cli/reference/workspace-mtls-certificate-authorities-delete) | Remove an mTLS certificate authority |
| [`get`](/docs/cli/reference/workspace-mtls-certificate-authorities-get)       | Get an mTLS certificate authority    |
| [`list`](/docs/cli/reference/workspace-mtls-certificate-authorities-list)     | List mTLS certificate authorities    |

## Related resources

- [Should I use a Bird SDK or call the API directly?](/explained/platform/should-i-use-an-sdk-or-call-the-api-directly) (answer)
- [Build your first integration](/learn/paths/integration) (course)
- [Send your first email](/docs/get-started/send-your-first-email) (docs)

[Get an implementation brief](/learn/workspace?topic=api-basics)
