curl --request POST \
  --url https://api.helohq.com/send/transactional/batch \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "requests": [
    {
      "from": {
        "email": "<string>",
        "name": "<string>"
      },
      "to": [
        {
          "email": "<string>",
          "name": "<string>"
        }
      ],
      "cc": [
        {
          "email": "<string>",
          "name": "<string>"
        }
      ],
      "bcc": [
        {
          "email": "<string>",
          "name": "<string>"
        }
      ],
      "replyTo": [
        {
          "email": "<string>",
          "name": "<string>"
        }
      ],
      "subject": "<string>",
      "html": "<string>",
      "text": "<string>",
      "template": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "subject": "<string>",
        "html": "<string>",
        "text": "<string>",
        "inlineStyles": true,
        "data": {}
      },
      "tracking": {
        "opens": true,
        "links": true
      },
      "attachments": [
        {
          "content": "aSDinaTvuI8gbWludGxpZnk=",
          "fileName": "<string>",
          "contentId": "<string>",
          "contentType": "<string>"
        }
      ],
      "tags": [
        "<string>"
      ],
      "headers": {},
      "metadata": {}
    }
  ]
}
'

using HeloEmail.Sdk;
using HeloEmail.Sdk.Sending;

var sendMessageBatch = await helo.Sending.SendTransactionalBatch(new SendMessageBatchRequest
{
    Requests = [
        new SendMessageRequest
        {
            From = new MailAddress { Email = "from@yourdomain.com", Name = "From name" },
            To = [new MailAddress { Email = "to@example.com", Name = "To name" }],
            Subject = "Hello from Helo",
            Html = "<html><body><h1>Hi there, new friend.</h1><p>This is a test message, delivered with <3 by Helo. </p></body></html>",
            Text = "This is a test message, delivered with <3 by Helo.",
            Tags = ["welcome", "onboarding"],
        },
    ],
}, channelId: "550e8400-e29b-41d4-a716-446655440000", idempotencyKey: "test-idempotencyKey");

Helo.configure do |config|
  config.api_key = ENV.fetch("HELO_API_KEY")
end

send_message_batch_request = Helo::SendMessageBatchRequest.new(
  requests: [{ to: [], cc: [], bcc: [], reply_to: [], subject: "Hello from Helo", html: "<html><body><h1>Hi there, new friend.</h1><p>This is a test message, delivered with <3 by Helo. </p></body></html>", text: "This is a test message, delivered with <3 by Helo.", template: {}, tracking: {}, attachments: [], tags: ["welcome", "onboarding"], headers: {}, metadata: {} }]
)
Helo::Sending.send_transactional_batch(send_message_batch_request, channel_id: "550e8400-e29b-41d4-a716-446655440000", idempotency_key: "example")

import sdk_helo_email as helo

client = helo.Helo()  # reads HELO_API_KEY from the environment

send_message_batch = client.sending.send_transactional_batch(
    requests=[
        {
            "from": {"email": "from@yourdomain.com", "name": "From name"},
            "to": [{"email": "to@example.com", "name": "To name"}],
            "subject": "Hello from Helo",
            "html": "<html><body><h1>Hi there, new friend.</h1><p>This is a test message, delivered with <3 by Helo. </p></body></html>",
            "text": "This is a test message, delivered with <3 by Helo.",
            "tags": ["welcome", "onboarding"],
        },
    ],
    channel_id="550e8400-e29b-41d4-a716-446655440000",
    idempotency_key="test-idempotency_key",
)

package main

import (
	"context"
	"log"
	"os"

	"github.com/helo-email/helo-sdk-go"
)

func main() {
	client := helo.NewHelo(os.Getenv("HELO_API_KEY"))
	ctx := context.Background()

	params := &helo.SendMessageBatchRequest{
		Requests: []helo.SendMessageRequest{{From: helo.MailAddress{Email: "from@yourdomain.com", Name: "From name"}, To: []helo.MailAddress{{Email: "to@example.com", Name: "To name"}}, Subject: "Hello from Helo", Html: "<html><body><h1>Hi there, new friend.</h1><p>This is a test message, delivered with <3 by Helo. </p></body></html>", Text: "This is a test message, delivered with <3 by Helo.", Tags: []string{"welcome", "onboarding"}}},
	}
	opts := &helo.SendingSendTransactionalBatchOptions{
		ChannelID: "550e8400-e29b-41d4-a716-446655440000",
		IdempotencyKey: "example",
	}
	result, err := client.Sending.SendTransactionalBatch(ctx, params, opts)
	if err != nil {
		log.Fatal(err)
	}
	_ = result
}

import Helo from "@helo-email/sdk";

const apiKey = process.env.HELO_API_KEY;
const helo = new Helo(apiKey);

const result = await helo.sending.sendTransactionalBatch(
  {
    requests: [
      {
        from: { email: "from@yourdomain.com", name: "From name" },
        to: [{ email: "to@example.com", name: "To name" }],
        cc: [{ email: "cc@example.com", name: "Cc name" }],
        bcc: [{ email: "bcc@example.com", name: "Bcc name" }],
        replyTo: [{ email: "reply-to@example.com", name: "Reply-To name" }],
        subject: "Hello from Helo",
        html: "<html><body><h1>Hi there, new friend.</h1><p>This is a test message, delivered with <3 by Helo. </p></body></html>",
        text: "This is a test message, delivered with <3 by Helo.",
        template: {
          id: "550e8400-e29b-41d4-a716-446655440000",
          subject: "test-subject",
          html: "test-html",
          text: "test-text",
          inlineStyles: true,
          data: {},
        },
        tracking: { opens: true, links: true },
        attachments: [
          {
            content: "test-content",
            contentId: "test-contentId",
            contentType: "test-contentType",
            fileName: "test-fileName",
            disposition: Helo.AttachmentDisposition.ATTACHMENT,
          },
        ],
        tags: ["welcome", "onboarding"],
        headers: {},
        metadata: {},
      },
    ],
  },
  {
    channelId: "550e8400-e29b-41d4-a716-446655440000",
    idempotencyKey: "example",
  },
);

{
  "responses": [
    {
      "status": "<string>",
      "messageId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "suppressions": [
        "<string>"
      ]
    }
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "instance": "<string>",
  "status": 123,
  "code": "<string>",
  "detail": "<string>",
  "requestId": "<string>",
  "errors": {}
}

{
  "type": "<string>",
  "title": "<string>",
  "instance": "<string>",
  "status": 123,
  "code": "<string>",
  "detail": "<string>",
  "requestId": "<string>",
  "errors": {}
}

{
  "type": "<string>",
  "title": "<string>",
  "instance": "<string>",
  "status": 123,
  "code": "<string>",
  "detail": "<string>",
  "requestId": "<string>",
  "errors": {}
}

{
  "type": "<string>",
  "title": "<string>",
  "instance": "<string>",
  "status": 123,
  "code": "<string>",
  "detail": "<string>",
  "requestId": "<string>",
  "errors": {}
}

{
  "type": "<string>",
  "title": "<string>",
  "instance": "<string>",
  "status": 123,
  "code": "<string>",
  "detail": "<string>",
  "requestId": "<string>",
  "errors": {}
}