Ответить на письмо mail.message.reply

curl -X POST \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-d '{"replyToMessageId":15,"from":"user@example.com","to":["client@example.com"],"subject":"Re: Договор","body":"Спасибо, получили.","auth":"**put_access_token_here**"}' \
https://**put_your_bitrix24_address**/rest/api/mail.message.reply

// This snippet is an ES module: top-level await requires type="module" or a bundler.
// $b24 is an already-initialized SDK instance (see the SDK "Get started" guide).
import { Text } from '@bitrix24/b24jssdk'
import type { B24Frame } from '@bitrix24/b24jssdk'

declare const $b24: B24Frame

// Shape of the payload returned in result (match the "response handling" section of the page)
type ReplyResult = {
  success: boolean
  to: string[]
}

try {
  const response = await $b24.actions.v3.call.make<ReplyResult>({
    method: 'mail.message.reply',
    params: {
      replyToMessageId: 15,
      from: 'user@example.com',
      to: ['client@example.com'],
      subject: 'Re: Contract',
      body: 'Thank you, received.',
    },
    requestId: Text.getUuidRfc4122()
  })

  // The payload is available only on a successful response
  if (!response.isSuccess) {
    console.error(response.getErrorMessages().join('; '))
  } else {
    const result = response.getData()!.result
    console.info('Reply sent:', result.success, 'Recipients:', result.to)
  }
} catch (error) {
  // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
  console.error(error)
}

<!-- Load the SDK (UMD build); it is exposed as the global B24Js -->
<script src="https://unpkg.com/@bitrix24/b24jssdk@1/dist/umd/index.min.js"></script>
<script>
  async function sendReply() {
    try {
      // Initialize the SDK inside a Bitrix24 frame
      const $b24 = await B24Js.initializeB24Frame()

      const response = await $b24.actions.v3.call.make({
        method: 'mail.message.reply',
        params: {
          replyToMessageId: 15,
          from: 'user@example.com',
          to: ['client@example.com'],
          subject: 'Re: Contract',
          body: 'Thank you, received.',
        },
        requestId: B24Js.Text.getUuidRfc4122()
      })

      // The payload is available only on a successful response
      if (!response.isSuccess) {
        console.error(response.getErrorMessages().join('; '))
        return
      }

      const result = response.getData().result
      console.info('Reply sent:', result.success, 'Recipients:', result.to)
    } catch (error) {
      // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
      console.error(error)
    }
  }

  document.addEventListener('DOMContentLoaded', sendReply)
</script>

try {
    $response = $b24Service
        ->core
        ->call(
            'mail.message.reply',
            [
                'replyToMessageId' => 15,
                'from' => 'user@example.com',
                'to' => ['client@example.com'],
                'subject' => 'Re: Договор',
                'body' => 'Спасибо, получили.'
            ]
        );

    $result = $response
        ->getResponseData()
        ->getResult();

    echo 'Success: ' . print_r($result, true);
} catch (Throwable $e) {
    error_log($e->getMessage());
    echo 'Error: ' . $e->getMessage();
}

BX24.callMethod(
    'mail.message.reply',
    {
        replyToMessageId: 15,
        from: 'user@example.com',
        to: ['client@example.com'],
        subject: 'Re: Договор',
        body: 'Спасибо, получили.'
    },
    function(result){
        console.info(result.data());
        console.log(result);
    }
);

require_once('crest.php');

$result = CRest::call(
    'mail.message.reply',
    [
        'replyToMessageId' => 15,
        'from' => 'user@example.com',
        'to' => ['client@example.com'],
        'subject' => 'Re: Договор',
        'body' => 'Спасибо, получили.'
    ]
);

echo '<PRE>';
print_r($result);
echo '</PRE>';

// client и ctx уже созданы — см. раздел «SDK для Go»
res, err := client.Core().Call(ctx, "mail.message.reply", b24.Params{
	"replyToMessageId": 15,
	"from":             "user@example.com",
	"to":               []string{"client@example.com"},
	"subject":          "Re: Договор",
	"body":             "Спасибо, получили.",
})
if err != nil {
	return fmt.Errorf("mail.message.reply: %w", err)
}

var item struct {
	Success bool `json:"success"`
}
if err := json.Unmarshal(res.Result, &item); err != nil {
	return fmt.Errorf("разбор ответа: %w", err)
}
fmt.Println(item.Success)