Node.js
SendGrid HTML Email with Embedded Images

Demonstrates how to send an HTML email with embedded images using SendGrid.
Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var req = new chilkat.HttpRequest();
    var http = new chilkat.Http();

    // First.. load a JPG file and build an HTML img tag with the JPG data inline encoded.
    // Our HTML img tag will look like this:
    // <img src="data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEA3ADcAA..." alt="" style="border-width:0px;" />
    var bdJpg = new chilkat.BinData();
    success = bdJpg.LoadFile("qa_data/jpg/starfish.jpg");
    if (success == false) {
        console.log("Failed to load JPG file.");
        return;
    }

    // Note: HTML containing embedded base64 image data may not be visible in all email clients.
    // For example, GMail might not display the image, but viewing in Outlook might be OK.
    var sbHtml = new chilkat.StringBuilder();
    sbHtml.Append("<html><body><b>This is a test<b><br /><img src=\"data:image/jpeg;base64,");
    // Append the base64 image data to sbHtml.
    bdJpg.GetEncodedSb("base64",sbHtml);
    sbHtml.Append("\" alt=\"\" style=\"border-width:0px;\" /></body></html>");

    var json = new chilkat.JsonObject();
    json.UpdateString("personalizations[0].to[0].email","matt@chilkat.io");
    json.UpdateString("personalizations[0].to[0].name","Matt");
    json.UpdateString("from.email","admin@chilkatsoft.com");
    json.UpdateString("subject","Test HTML email with images");
    json.UpdateString("content[0].type","text/html");
    json.UpdateSb("content[0].value",sbHtml);

    http.AuthToken = "SENDGRID_API_KEY";

    var resp = new chilkat.HttpResponse();
    success = http.HttpJson("POST","https://api.sendgrid.com/v3/mail/send",json,"application/json",resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    console.log("response status code: " + resp.StatusCode);
    // Display the response.
    // If successful, the response code is 202 and the response body string is empty.
    // (The response body string may also be empty for error response codes.)
    console.log(resp.BodyStr);

}

chilkatExample();