(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, MacOS

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

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();