const whatsAppClient = require("@green-api/whatsapp-api-client");

const restAPI = whatsAppClient.restAPI({
    idInstance: "YOUR_ID_INSTANCE",
    apiTokenInstance: "YOUR_API_TOKEN_INSTANCE",
});

restAPI.message.sendMessage("[email protected]", null, "hello world").then((data) => {
    console.log(data);
});

import whatsAppClient from "@green-api/whatsapp-api-client";

(async () => {
    const restAPI = whatsAppClient.restAPI({
        idInstance: "YOUR_ID_INSTANCE",
        apiTokenInstance: "YOUR_API_TOKEN_INSTANCE",
    });
    const response = await restAPI.message.sendMessage(
        "[email protected]",
        null,
        "hello world"
    );
})();

const restAPI = whatsAppClient.restAPI({
    credentialsPath: "examples\\credentials",
});

import whatsAppClient from "@green-api/whatsapp-api-client";

(async () => {
    let restAPI = whatsAppClient.restAPI({
        idInstance: "YOUR_ID_INSTANCE",
        apiTokenInstance: "YOUR_API_TOKEN_INSTANCE",
    });

    try {
        // Receive WhatsApp notifications.
        console.log("Waiting incoming notifications...");
        await restAPI.webhookService.startReceivingNotifications();
        restAPI.webhookService.onReceivingMessageText((body) => {
            console.log(body);
            restAPI.webhookService.stopReceivingNotifications();
            //console.log("Notifications is about to stop in 20 sec if no messages will be queued...")
        });
        restAPI.webhookService.onReceivingDeviceStatus((body) => {
            console.log(body);
        });
        restAPI.webhookService.onReceivingAccountStatus((body) => {
            console.log(body);
        });
    } catch (ex) {
        console.error(ex.toString());
    }
})();

import whatsAppClient from "@green-api/whatsapp-api-client";

(async () => {
    const restAPI = whatsAppClient.restAPI({
        idInstance: "YOUR_ID_INSTANCE",
        apiTokenInstance: "YOUR_API_TOKEN_INSTANCE",
    });
    const response = await restAPI.file.sendFileByUrl(
        "[email protected]",
        null,
        "https://avatars.mds.yandex.net/get-pdb/477388/77f64197-87d2-42cf-9305-14f49c65f1da/s375",
        "horse.png",
        "horse"
    );
})();

import whatsAppClient from "@green-api/whatsapp-api-client";
import express from "express";
import bodyParser from "body-parser";

(async () => {
    try {
        // Set http url, where webhooks are hosted.
        // Url must have public domain address.
        await restAPI.settings.setSettings({
            webhookUrl: "MY_HTTP_SERVER:3000/webhooks",
        });

        const app = express();
        app.use(bodyParser.json());
        const webHookAPI = whatsAppClient.webhookAPI(app, "/webhooks");

        // Subscribe to webhook happened when WhatsApp delivered a message
        webHookAPI.onIncomingMessageText(
            (data, idInstance, idMessage, sender, typeMessage, textMessage) => {
                console.log(`outgoingMessageStatus data ${data.toString()}`);
            }
        );

        // Run web server with public domain address
        app.listen(3000, async () => {
            console.log(`Started. App listening on port 3000!`);

            const restAPI = whatsAppClient.restAPI({
                idInstance: MY_ID_INSTANCE,
                apiTokenInstance: MY_API_TOKEN_INSTANCE,
            });
            // Send test message that triggers webhook
            const response = await restAPI.message.sendMessage(
                "[email protected]",
                null,
                "hello world"
            );
        });
    } catch (error) {
        console.error(error);
        process.exit(1);
    }
})();