PowerShell
Send GMail using REST API

Demonstrates how to send an email using the GMail REST API.
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PowerShell
Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

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

# Use the Chilkat Email API to create or load an email.
$email = New-Object Chilkat.Email

# The From name/address don't need to be specified. 
# GMail will automatically use your Gmail address if the following 2 lines are omitted.
$email.FromName = "My Name"
$email.FromAddress = "my_account_name@gmail.com"

$email.AddTo("John Smith","somebody@somewhere.com")
# To add more recipients, make additional calls to AddTo or AddCC, one per recipient...

$email.Subject = "This is a test GMail email created using Chilkat."
$email.Charset = "utf-8"
$email.AddPlainTextAlternativeBody("This is a test")

# Create an HTML email body with an embedded image.
$cid = $email.AddRelatedFile("qa_data/jpg/starfish.jpg")
$sbHtml = New-Object Chilkat.StringBuilder
$sbHtml.Append("<html><body>This is a <b>test</b><br><img src=`"cid:STARFISH_CID`"/></body></html>")
$numReplacements = $sbHtml.Replace("STARFISH_CID",$cid)

$email.AddHtmlAlternativeBody($sbHtml.GetAsString())

# OK.. we now have an HTML email with an embedded JPG image
# We'll need to get the full MIME of the email encoded to a base64url string.
$sbMime = New-Object Chilkat.StringBuilder
$email.GetMimeSb($sbMime)
$sbMime.Encode("base64url","utf-8")

# The body of the HTTP request will be JSON..
$json = New-Object Chilkat.JsonObject
$json.UpdateSb("raw",$sbMime)

# Send the email...
$http = New-Object Chilkat.Http
$http.AuthToken = "GMAIL-ACCESS-TOKEN"

$url = "https://www.googleapis.com/gmail/v1/users/me/messages/send"
$resp = New-Object Chilkat.HttpResponse
$success = $http.HttpJson("POST",$url,$json,"application/json",$resp)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

# A status code of 200 indicates success.
$("Response status code: " + $resp.StatusCode)
$("Response body:")
$($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": "166f0d4ac39e50bf",
#  "threadId": "166f0d4ac39e50bf",
#  "labelIds": [
#   "SENT"
#  ]
# }