> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fly.io/llms.txt
> Use this file to discover all available pages before exploring further.

# fly certs

Manages the certificates associated with a deployed application.
Certificates are created by associating a hostname/domain with the application.
When Fly is then able to validate that hostname/domain, the platform gets
certificates issued for the hostname/domain by Let's Encrypt.

## Usage

```
fly certs [command] [flags]
```

## Available Commands

* [add](/flyctl/cmd/fly_certs_add)	 - Add a certificate for an app
* [check](/flyctl/cmd/fly_certs_check)	 - Show certificate and DNS status
* [import](/flyctl/cmd/fly_certs_import)	 - Import a custom certificate
* [list](/flyctl/cmd/fly_certs_list)	 - List certificates for an app
* [remove](/flyctl/cmd/fly_certs_remove)	 - Removes a certificate from an app
* [setup](/flyctl/cmd/fly_certs_setup)	 - Shows certificate setup instructions

## Options

```
  -h, --help   help for certs
```

## Global Options

```
  -t, --access-token string   Fly API Access Token
      --debug                 Print additional logs and traces
      --verbose               Verbose output
```

## See Also

* [fly](/flyctl/cmd/fly_help)	 - The Fly.io command line interface