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

# Add Suppression

> Add an email address to the suppression list.

## Body Parameters

**email** `string` *required*

The email address to suppress.

```ts Node.js theme={"theme":{"light":"github-light","dark":"vesper"}}
import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const { data, error } = await resend.suppressions.add({
  email: 'steve.wozniak@example.com',
});
```

```php PHP theme={"theme":{"light":"github-light","dark":"vesper"}}
$resend = Resend::client('re_xxxxxxxxx');

$resend->suppressions->add([
  'email' => 'steve.wozniak@example.com',
]);
```

```python Python theme={"theme":{"light":"github-light","dark":"vesper"}}
import resend

resend.api_key = "re_xxxxxxxxx"

params: resend.Suppressions.AddParams = {
  "email": "steve.wozniak@example.com",
}

resend.Suppressions.add(params)
```

```ruby Ruby theme={"theme":{"light":"github-light","dark":"vesper"}}
require "resend"

Resend.api_key = "re_xxxxxxxxx"

Resend::Suppressions.add(email: "steve.wozniak@example.com")
```

```go Go theme={"theme":{"light":"github-light","dark":"vesper"}}
package main

import "github.com/resend/resend-go/v4"

func main() {
	client := resend.NewClient("re_xxxxxxxxx")

	params := &resend.AddSuppressionRequest{
		Email: "steve.wozniak@example.com",
	}

	client.Suppressions.Add(params)
}
```

```rust Rust theme={"theme":{"light":"github-light","dark":"vesper"}}
use resend_rs::types::AddSuppressionOptions;
use resend_rs::{Resend, Result};

#[tokio::main]
async fn main() -> Result<()> {
  let resend = Resend::new("re_xxxxxxxxx");

  let opts = AddSuppressionOptions::new().with_email("steve.wozniak@example.com");
  let _data = resend.suppressions.add(opts).await?;

  Ok(())
}
```

```java Java theme={"theme":{"light":"github-light","dark":"vesper"}}
import com.resend.Resend;
import com.resend.core.exception.ResendException;
import com.resend.services.suppressions.model.AddSuppressionOptions;

public class Main {
    public static void main(String[] args) throws ResendException {
        Resend resend = new Resend("re_xxxxxxxxx");

        AddSuppressionOptions options = AddSuppressionOptions.builder()
                .email("steve.wozniak@example.com")
                .build();

        resend.suppressions().add(options);
    }
}
```

```csharp .NET theme={"theme":{"light":"github-light","dark":"vesper"}}
using Resend;

IResend resend = ResendClient.Create( "re_xxxxxxxxx" );

var resp = await resend.SuppressionAddAsync( "steve.wozniak@example.com" );
Console.WriteLine( "Suppression Id={0}", resp.Content );
```

```bash cURL theme={"theme":{"light":"github-light","dark":"vesper"}}
curl -X POST 'https://api.resend.com/suppressions' \
     -H 'Authorization: Bearer re_xxxxxxxxx' \
     -H 'Content-Type: application/json' \
     -d $'{
  "email": "steve.wozniak@example.com"
}'
```

```bash CLI theme={"theme":{"light":"github-light","dark":"vesper"}}
resend suppressions add steve.wozniak@example.com
```

```json Response theme={"theme":{"light":"github-light","dark":"vesper"}}
{
  "object": "suppression",
  "id": "e169aa45-1ecf-4183-9955-b1499d5701d3"
}
```