Send Broadcast

Start sending broadcasts to your audience through the Resend API.

Path Parameters

The broadcast ID.

Body Parameters

Schedule email to be sent later. The date should be in natural language (e.g.: in 1 min) or ISO 8601 format (e.g: 2026-08-05T11:52:01.858Z).

Node.js

import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const { data, error } = await resend.broadcasts.send(
  '559ac32e-9ef5-46fb-82a1-b76b840c0f7b',
  {
    scheduledAt: 'in 1 min',
  },
);

PHP

$resend = Resend::client('re_xxxxxxxxx');

$resend->broadcasts->send('559ac32e-9ef5-46fb-82a1-b76b840c0f7b', [
  'scheduled_at' => 'in 1 min',
]);

Python

import resend

resend.api_key = "re_xxxxxxxxx"

params: resend.Broadcasts.SendParams = {
  "broadcast_id": "559ac32e-9ef5-46fb-82a1-b76b840c0f7b",
  "scheduled_at": "in 1 min"
}
resend.Broadcasts.send(params)

Ruby

require "resend"

Resend.api_key = "re_xxxxxxxxx"

params = {
  broadcast_id: "559ac32e-9ef5-46fb-82a1-b76b840c0f7b",
  scheduled_at: "in 1 min"
}
Resend::Broadcasts.send(params)

package main

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

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

	sendParams := &resend.SendBroadcastRequest{
		BroadcastId: "559ac32e-9ef5-46fb-82a1-b76b840c0f7b",
		ScheduledAt: "in 1 min",
	}

	client.Broadcasts.Send(sendParams)
}

Rust

use resend_rs::{types::SendBroadcastOptions, Resend, Result};

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

  let opts =
    SendBroadcastOptions::new("559ac32e-9ef5-46fb-82a1-b76b840c0f7b").with_scheduled_at("in 1 min");

  let _broadcast = resend.broadcasts.send(opts).await?;

  Ok(())
}

Java

import com.resend.Resend;
import com.resend.services.broadcasts.model.SendBroadcastOptions;
import com.resend.services.broadcasts.model.SendBroadcastResponseSuccess;

Resend resend = new Resend("re_xxxxxxxxx");

SendBroadcastOptions params = SendBroadcastOptions.builder()
    .scheduledAt("in 1 min")
    .build();

SendBroadcastResponseSuccess data = resend.broadcasts().send(params,
    "498ee8e4-7aa2-4eb5-9f04-4194848049d1");

.NET

using Resend;

IResend resend = ResendClient.Create( "re_xxxxxxxxx" ); // Or from DI

// Send now
await resend.BroadcastSendAsync( new Guid( "559ac32e-9ef5-46fb-82a1-b76b840c0f7b" ) );

// Send in 5 mins
await resend.BroadcastScheduleAsync(
    new Guid( "559ac32e-9ef5-46fb-82a1-b76b840c0f7b" ),
    DateTime.UtcNow.AddMinutes( 5 ) );

cURL

curl -X POST 'https://api.resend.com/broadcasts/559ac32e-9ef5-46fb-82a1-b76b840c0f7b/send' \
     -H 'Authorization: Bearer re_xxxxxxxxx' \
     -H 'Content-Type: application/json' \
     -d $'{
  "scheduled_at": "in 1 min"
}'

CLI

resend broadcasts send 559ac32e-9ef5-46fb-82a1-b76b840c0f7b --scheduled-at "in 1 min"

Response

{
  "id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794"
}