(Node.js) Create GMail Draft

Demonstrates how to create a new GMail draft email.

Install Chilkat for Node.js and Electron using npm at

Chilkat npm packages for Node.js
Chilkat npm packages for Electron
on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var success;

    // Use the Chilkat Email API to create or load an email.
    var email = new chilkat.Email();
    email.Subject = "This is a test GMail email created using Chilkat.";
    email.Charset = "utf-8";
    email.AddPlainTextAlternativeBody("This is a test");
    email.AddHtmlAlternativeBody("<html><body><p>This is a <b>test</b></body></html>");

    // We'll need to get the full MIME of the email encoded to a base64url string.
    var sbMime = new chilkat.StringBuilder();
    email.GetMimeSb(sbMime);
    sbMime.Encode("base64url","utf-8");

    // The body of the HTTP request will be JSON..
    var json = new chilkat.JsonObject();
    json.UpdateSb("message.raw",sbMime);

    // Upload the email to GMail as a draft.
    var http = new chilkat.Http();
    http.AuthToken = "GMAIL-ACCESS-TOKEN";

    var url = "https://www.googleapis.com/gmail/v1/users/me/drafts";
    // resp: HttpResponse
    var resp = http.PostJson3(url,"application/json",json);
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    // A status code of 200 indicates success.
    console.log("Response status code: " + resp.StatusCode);
    console.log("Response body:");
    console.log(resp.BodyStr);

    // The response body contains JSON.
    // Use the online tool at Generate JSON Parsing Code
    // to generate JSON parsing code.

    // A sample successful JSON response:

    // {
    //  "id": "r-2607584557788895307",
    //  "message": {
    //   "id": "166f09932c662e93",
    //   "threadId": "166f09932c662e93",
    //   "labelIds": [
    //    "DRAFT"
    //   ]
    //  }
    // }

}

chilkatExample();