テキストメッセージを送信する

このコードスニペットでは、Messages API を使って WhatsApp メッセージを送信する方法を説明します。WhatsAppの最大テキストサイズは4096文字(Unicodeを含む)です。

このトピックに関するステップバイステップのガイドについては、チュートリアルをお読みください。 Messages API を使用した WhatsApp メッセージの送信.

重要： メッセージ未送信の場合、WhatsAppは初回メッセージ送信時にテンプレートを要求します。詳しくは WhatsAppトピックの理解.

メッセージ内で選択されたテキストは書式文字.その \n 文字は改行にも使えます。書式オプションは以下の表にまとめられている：

フォーマット	例
イタリック体	イタリック体 `_this_` テキスト
太字	太字 `this` テキスト
~~取り消し線~~	取り消し線 `~this~` テキスト
`Monospace`	モノスペース `この` テキスト
新ライン	用途 `\n` で改行する。

例

各コード・スニペットで使用されているすべての変数の説明を以下に示します：

キー	説明
`VONAGE_APPLICATION_ID`	The Vonage Application ID.
`VONAGE_APPLICATION_PRIVATE_KEY_PATH`	Private key path.
`VONAGE_PRIVATE_KEY_PATH`	Private key path.
`BASE_URL`	For production use the base URL is `https://api.nexmo.com/`. For sandbox testing the base URL is `https://messages-sandbox.nexmo.com/`.
`MESSAGES_API_URL`	There are two versions of the API, each with their own endpoints. For production the previous Messages API endpoint was `https://api.nexmo.com/v0.1/messages`, the new one is `https://api.nexmo.com/v1/messages`. For sandbox testing the Messages API endpoint is `https://messages-sandbox.nexmo.com/v0.1/messages` or `https://messages-sandbox.nexmo.com/v1/messages`, depending on which version you have set in the sandbox dashboard.
`WHATSAPP_NUMBER`	The WhatsApp number that has been allocated to you by Vonage. For sandbox testing the number is 14157386102.
`VONAGE_WHATSAPP_NUMBER`	Refer to `WHATSAPP_NUMBER` above.
`VONAGE_NUMBER`	Refer to `WHATSAPP_NUMBER` above.
`TO_NUMBER`	Replace with the number you are sending to. E.g. `447700900001`

注：先頭の + または 00 電話番号を入力する場合は、447700900000のように国番号から入力してください。

Prerequisites

If you do not have an application you can create one. Make sure you also configure your webhooks.

Write the code

Add the following to send-text.sh:

curl -X POST "${MESSAGES_API_URL}" \
  -H "Authorization: Bearer "$JWT\
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -d $'{
    "to": "'${MESSAGES_TO_NUMBER}'",
    "from": "'${WHATSAPP_SENDER_ID}'",
    "channel": "whatsapp",
    "message_type": "text",
    "text": "This is a WhatsApp text message sent using the Vonage Messages API."
  }'

View full source

Run your code

Save this file to your machine and run it:

bash send-text.sh

Prerequisites

If you do not have an application you can create one. Make sure you also configure your webhooks.

npm install @vonage/server-sdk @vonage/messages

Create a file named send-text.js and add the following code:

const { Vonage } = require('@vonage/server-sdk');
const { Channels } = require('@vonage/messages');

/**
 * It is best to send messages using JWT instead of basic auth. If you leave out
 * apiKey and apiSecret, the messages SDK will send requests using JWT tokens
 *
 * @link https://developer.vonage.com/en/messages/technical-details#authentication
 */
const vonage = new Vonage(
  {
    applicationId: VONAGE_APPLICATION_ID,
    privateKey: VONAGE_PRIVATE_KEY,
  },
  {
    ...(MESSAGES_API_URL ? {apiHost: MESSAGES_API_URL} : {}),
  },
);

View full source

Write the code

Add the following to send-text.js:

vonage.messages.send({
  to: MESSAGES_TO_NUMBER,
  from: WHATSAPP_SENDER_ID,
  channel: Channels.WHATSAPP,
  messageType: 'text',
  text: 'This is a WhatsApp text message sent using the Vonage Messages API.',
})
  .then((resp) => console.log(resp.messageUUID))
  .catch((error) => console.error(error));

View full source

Run your code

Save this file to your machine and run it:

node send-text.js

Prerequisites

If you do not have an application you can create one. Make sure you also configure your webhooks.

Add the following to build.gradle:

implementation 'com.vonage:server-sdk-kotlin:2.1.1'

Create a class named SendWhatsappText and add the following code to the main method:

val client = Vonage {
    applicationId(VONAGE_APPLICATION_ID)
    privateKeyPath(VONAGE_PRIVATE_KEY_PATH)
}

View full source

Write the code

Add the following to the main method of the SendWhatsappText class:

val messageId = client.messages.send(
    whatsappText {
        to(MESSAGES_TO_NUMBER)
        from(WHATSAPP_SENDER_ID)
        text("This is a WhatsApp text message sent using the Messages API")
    }
)

View full source

Run your code

We can use the アプリケーション plugin for Gradle to simplify the running of our application. Update your build.gradle with the following:

apply plugin: 'application'
mainClassName = project.hasProperty('main') ? project.getProperty('main') : ''

Run the following gradle command to execute your application, replacing com.vonage.quickstart.kt.messages.whatsapp with the package containing SendWhatsappText:

gradle run -Pmain=com.vonage.quickstart.kt.messages.whatsapp.SendWhatsappText

Prerequisites

If you do not have an application you can create one. Make sure you also configure your webhooks.

Add the following to build.gradle:

implementation 'com.vonage:server-sdk:9.3.1'

Create a class named SendWhatsappText and add the following code to the main method:

VonageClient client = VonageClient.builder()
		.applicationId(VONAGE_APPLICATION_ID)
		.privateKeyPath(VONAGE_PRIVATE_KEY_PATH)
		.build();

View full source

Write the code

Add the following to the main method of the SendWhatsappText class:

var response = client.getMessagesClient().sendMessage(
		WhatsappTextRequest.builder()
			.from(WHATSAPP_SENDER_ID).to(MESSAGES_TO_NUMBER)
			.text("This is a WhatsApp Message text message sent using the Messages API")
			.build()
);
System.out.println("Message sent successfully. ID: "+response.getMessageUuid());

View full source

Run your code

We can use the アプリケーション plugin for Gradle to simplify the running of our application. Update your build.gradle with the following:

apply plugin: 'application'
mainClassName = project.hasProperty('main') ? project.getProperty('main') : ''

Run the following gradle command to execute your application, replacing com.vonage.quickstart.messages.whatsapp with the package containing SendWhatsappText:

gradle run -Pmain=com.vonage.quickstart.messages.whatsapp.SendWhatsappText

Prerequisites

If you do not have an application you can create one. Make sure you also configure your webhooks.

Install-Package Vonage

Write the code

Add the following to SendWhatsAppText.cs:

var credentials = Credentials.FromAppIdAndPrivateKeyPath(VONAGE_APPLICATION_ID, VONAGE_PRIVATE_KEY_PATH);
var vonageClient = new VonageClient(credentials);
var request = new WhatsAppTextRequest
{
    To = MESSAGES_TO_NUMBER,
    From = WHATSAPP_SENDER_ID,
    Text = "A WhatsApp text message sent using the Vonage Messages API"
};
var response = await vonageClient.MessagesClient.SendAsync(request);

View full source

Prerequisites

If you do not have an application you can create one. Make sure you also configure your webhooks.

composer require vonage/client

Create a file named send-text.php and add the following code:

View full source

Write the code

Add the following to send-text.php:

View full source

Run your code

Save this file to your machine and run it:

php send-text.php

Prerequisites

If you do not have an application you can create one. Make sure you also configure your webhooks.

pip install vonage python-dotenv

Write the code

Add the following to send-text.py:

from vonage import Auth, Vonage
from vonage_messages import WhatsappText

client = Vonage(
    Auth(
        application_id=VONAGE_APPLICATION_ID,
        private_key=VONAGE_PRIVATE_KEY,
    )
)

message = WhatsappText(
    to=MESSAGES_TO_NUMBER,
    from_=WHATSAPP_SENDER_ID,
    text='Hello from the Vonage Messages API.',
)

response = client.messages.send(message)
print(response)

View full source

Run your code

Save this file to your machine and run it:

python messages/whatsapp/send-text.py

Prerequisites

If you do not have an application you can create one. Make sure you also configure your webhooks.

gem install vonage

Create a file named send-text.rb and add the following code:

View full source

Write the code

Add the following to send-text.rb:

View full source

Run your code

Save this file to your machine and run it:

ruby send-text.rb

試してみる

コードを実行すると、WhatsAppメッセージが相手先の番号に送信されます。