(VBScript) SendGrid HTML Email with Embedded Images

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Demonstrates how to send an HTML email with embedded images using SendGrid.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

success = 0

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

set req = CreateObject("Chilkat.HttpRequest")
set http = CreateObject("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;" />
set bdJpg = CreateObject("Chilkat.BinData")
success = bdJpg.LoadFile("qa_data/jpg/starfish.jpg")
If (success = 0) Then
    outFile.WriteLine("Failed to load JPG file.")
    WScript.Quit
End If

' 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.
set sbHtml = CreateObject("Chilkat.StringBuilder")
success = sbHtml.Append("<html><body><b>This is a test<b><br /><img src=""data:image/jpeg;base64,")
' Append the base64 image data to sbHtml.
success = bdJpg.GetEncodedSb("base64",sbHtml)
success = sbHtml.Append(""" alt="""" style=""border-width:0px;"" /></body></html>")

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

http.AuthToken = "SENDGRID_API_KEY"

set resp = CreateObject("Chilkat.HttpResponse")
success = http.HttpJson("POST","https://api.sendgrid.com/v3/mail/send",json,"application/json",resp)
If (success = 0) Then
    outFile.WriteLine(http.LastErrorText)
    WScript.Quit
End If

outFile.WriteLine("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.)
outFile.WriteLine(resp.BodyStr)

outFile.Close