> ## 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

<ParamField body="email" type="string" required>
  The email address to suppress.
</ParamField>

<RequestExample>
  ```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/v3"

  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.*;
  import com.resend.services.suppressions.model.AddSuppressionOptions;

  public class Main {
      public static void main(String[] args) {
          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
  ```
</RequestExample>

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