> ## 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.

# List Segment Contacts

> Retrieve a list of contacts in a segment.

export const QueryParams = ({type, isRequired}) => {
  return <>
      <h2>Query Parameters</h2>

      {isRequired ? <ParamField query="limit" type="number">
          Number of {type} to retrieve.
          <ul>
            <li>
              Default value: <code>20</code>
            </li>
            <li>
              Maximum value: <code>100</code>
            </li>
            <li>
              Minimum value: <code>1</code>
            </li>
          </ul>
        </ParamField> : <>
          <p>
            Note that the <code>limit</code> parameter is <em>optional</em>. If
            you do not provide a <code>limit</code>, all {type} will be returned
            in a single response.
          </p>
          <ParamField query="limit" type="number">
            Number of {type} to retrieve.
            <ul>
              <li>
                Maximum value: <code>100</code>
              </li>
              <li>
                Minimum value: <code>1</code>
              </li>
            </ul>
          </ParamField>
        </>}

      <ParamField query="after" type="string">
        The ID <em>after</em> which we'll retrieve more {type} (for pagination).
        This ID will <em>not</em> be included in the returned list. Cannot be
        used with the
        <code>before</code> parameter.
      </ParamField>
      <ParamField query="before" type="string">
        The ID <em>before</em> which we'll retrieve more {type} (for
        pagination). This ID will <em>not</em> be included in the returned list.
        Cannot be used with the <code>after</code> parameter.
      </ParamField>
      <Info>
        You can only use either <code>after</code> or <code>before</code>{' '}
        parameter, not both. See our{' '}
        <a href="/api-reference/pagination">pagination guide</a> for more
        information.
      </Info>
    </>;
};

export const ResendParamField = ({children, body, path, ...props}) => {
  const [lang, setLang] = useState(() => {
    return localStorage.getItem('code') || '"Node.js"';
  });
  useEffect(() => {
    const onStorage = event => {
      const key = event.detail.key;
      if (key === 'code') {
        setLang(event.detail.value);
      }
    };
    document.addEventListener('mintlify-localstorage', onStorage);
    return () => {
      document.removeEventListener('mintlify-localstorage', onStorage);
    };
  }, []);
  const toCamelCase = str => typeof str === 'string' ? str.replace(/[_-](\w)/g, (_, c) => c.toUpperCase()) : str;
  const resolvedBody = useMemo(() => {
    const value = JSON.parse(lang);
    return value === 'Node.js' ? toCamelCase(body) : body;
  }, [body, lang]);
  const resolvedPath = useMemo(() => {
    const value = JSON.parse(lang);
    return value === 'Node.js' ? toCamelCase(path) : path;
  }, [path, lang]);
  return <ParamField body={resolvedBody} path={resolvedPath} {...props}>
      {children}
    </ParamField>;
};

## Path Parameters

<ResendParamField path="segment_id" type="string" required>
  The Segment ID.
</ResendParamField>

<QueryParams type="contacts" isRequired={false} />

<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.contacts.list({
    segmentId: '78261eea-8f8b-4381-83c6-79fa7120f1cf',
  });
  ```

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

  $resend->contacts->list([
    'segment_id' => '78261eea-8f8b-4381-83c6-79fa7120f1cf',
  ]);
  ```

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

  resend.api_key = 're_xxxxxxxxx'

  contacts = resend.Contacts.list('78261eea-8f8b-4381-83c6-79fa7120f1cf')
  ```

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

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

    let _contacts = resend
      .contacts
      .list("78261eea-8f8b-4381-83c6-79fa7120f1cf", ListOptions::default())
      .await?;

    Ok(())
  }
  ```

  ```java Java theme={"theme":{"light":"github-light","dark":"vesper"}}
  import com.resend.*;

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

          ListContactsResponseSuccess response = resend.contacts().list("78261eea-8f8b-4381-83c6-79fa7120f1cf");
      }
  }
  ```

  ```bash cURL theme={"theme":{"light":"github-light","dark":"vesper"}}
  curl -X GET 'https://api.resend.com/segments/78261eea-8f8b-4381-83c6-79fa7120f1cf/contacts' \
       -H 'Authorization: Bearer re_xxxxxxxxx'
  ```

  ```bash CLI theme={"theme":{"light":"github-light","dark":"vesper"}}
  resend segments contacts 78261eea-8f8b-4381-83c6-79fa7120f1cf
  ```
</RequestExample>