Send Batch Emails

import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const { data, error } = await resend.batch.send([
  {
    from: 'Acme <onboarding@resend.dev>',
    to: ['foo@gmail.com'],
    subject: 'hello world',
    html: '<h1>it works!</h1>',
  },
  {
    from: 'Acme <onboarding@resend.dev>',
    to: ['bar@outlook.com'],
    subject: 'world hello',
    html: '<p>it works!</p>',
  },
]);

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

$resend->batch->send([
  [
    'from' => 'Acme <onboarding@resend.dev>',
    'to' => ['foo@gmail.com'],
    'subject' => 'hello world',
    'html' => '<h1>it works!</h1>',
  ],
  [
    'from' => 'Acme <onboarding@resend.dev>',
    'to' => ['bar@outlook.com'],
    'subject' => 'world hello',
    'html' => '<p>it works!</p>',
  ]
]);

import resend
from typing import List

resend.api_key = "re_xxxxxxxxx"

params: List[resend.Emails.SendParams] = [
  {
    "from": "Acme <onboarding@resend.dev>",
    "to": ["foo@gmail.com"],
    "subject": "hello world",
    "html": "<h1>it works!</h1>",
  },
  {
    "from": "Acme <onboarding@resend.dev>",
    "to": ["bar@outlook.com"],
    "subject": "world hello",
    "html": "<p>it works!</p>",
  }
]

resend.Batch.send(params)

require "resend"

Resend.api_key = 're_xxxxxxxxx'

params = [
  {
    "from": "Acme <onboarding@resend.dev>",
    "to": ["foo@gmail.com"],
    "subject": "hello world",
    "html": "<h1>it works!</h1>",
  },
  {
    "from": "Acme <onboarding@resend.dev>",
    "to": ["bar@outlook.com"],
    "subject": "world hello",
    "html": "<p>it works!</p>",
  }
]

Resend::Batch.send(params)

package main

import (
	"context"
	"fmt"

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

func main() {

  ctx := context.TODO()

  client := resend.NewClient("re_xxxxxxxxx")

  var batchEmails = []*resend.SendEmailRequest{
    {
      From:    "Acme <onboarding@resend.dev>",
      To:      []string{"foo@gmail.com"},
      Subject: "hello world",
      Html:    "<h1>it works!</h1>",
    },
    {
      From:    "Acme <onboarding@resend.dev>",
      To:      []string{"bar@outlook.com"},
      Subject: "world hello",
      Html:    "<p>it works!</p>",
    },
  }

  sent, err := client.Batch.SendWithContext(ctx, batchEmails)

  if err != nil {
    panic(err)
  }
  fmt.Println(sent.Data)
}

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

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

  let emails = vec![
    CreateEmailBaseOptions::new(
      "Acme <onboarding@resend.dev>",
      vec!["foo@gmail.com"],
      "hello world",
    )
    .with_html("<h1>it works!</h1>"),
    CreateEmailBaseOptions::new(
      "Acme <onboarding@resend.dev>",
      vec!["bar@outlook.com"],
      "world hello",
    )
    .with_html("<p>it works!</p>"),
  ];

  let _emails = resend.batch.send(emails).await?;

  Ok(())
}

import com.resend.Resend;
import com.resend.core.exception.ResendException;
import com.resend.services.batch.model.CreateBatchEmailsResponse;
import com.resend.services.emails.model.CreateEmailOptions;
import java.util.Arrays;

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

        CreateEmailOptions firstEmail = CreateEmailOptions.builder()
            .from("Acme <onboarding@resend.dev>")
            .to("foo@gmail.com")
            .subject("hello world")
            .html("<h1>it works!</h1>")
            .build();

        CreateEmailOptions secondEmail = CreateEmailOptions.builder()
            .from("Acme <onboarding@resend.dev>")
            .to("bar@outlook.com")
            .subject("world hello")
            .html("<p>it works!</p>")
            .build();

        CreateBatchEmailsResponse data = resend.batch().send(
            Arrays.asList(firstEmail, secondEmail)
        );
    }
}

using Resend;

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

var mail1 = new EmailMessage()
{
    From = "Acme <onboarding@resend.dev>",
    To = "foo@gmail.com",
    Subject = "hello world",
    HtmlBody = "<p>it works!</p>",
};

var mail2 = new EmailMessage()
{
    From = "Acme <onboarding@resend.dev>",
    To = "bar@outlook.com",
    Subject = "hello world",
    HtmlBody = "<p>it works!</p>",
};

var resp = await resend.EmailBatchAsync( [ mail1, mail2 ] );
Console.WriteLine( "Nr Emails={0}", resp.Content.Count );

curl -X POST 'https://api.resend.com/emails/batch' \
     -H 'Authorization: Bearer re_xxxxxxxxx' \
     -H 'Content-Type: application/json' \
     -d $'[
  {
    "from": "Acme <onboarding@resend.dev>",
    "to": ["foo@gmail.com"],
    "subject": "hello world",
    "html": "<h1>it works!</h1>"
  },
  {
    "from": "Acme <onboarding@resend.dev>",
    "to": ["bar@outlook.com"],
    "subject": "world hello",
    "html": "<p>it works!</p>"
  }
]'

resend emails batch --file ./path/to/emails.json

{
  "data": [
    {
      "id": "ae2014de-c168-4c61-8267-70d2662a1ce1"
    },
    {
      "id": "faccb7a5-8a28-4e9a-ac64-8da1cc3bc1cb"
    }
  ]
}