(Xojo Plugin) SendGrid -- Send Email with Attachment

See more SendGrid Examples

Sends an email with an attachment.

For more information, see https://sendgrid.com/docs/for-developers/sending-email/curl-examples/#sending-a-basic-email-with-attachment

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

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

Dim http As New Chilkat.Http
Dim success As Boolean

// Implements the following CURL command:

// curl --request POST \
//   --url https://api.sendgrid.com/v3/mail/send \
//   --header 'authorization: Bearer YOUR_API_KEY' \
//   --header 'Content-Type: application/json' \
//   --data '{"personalizations": [{"to": [{"email": "recipient@example.com"}]}],"from": {"email": "sender@example.com"},"subject":"Hello, World!","content": [{"type": "text/html","value": "Hey,<br>Please find attachment."}], "attachments": [{"content": "BASE64_ENCODED_CONTENT", "type": "text/plain", "filename": "attachment.txt"}]}'

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

// The following JSON is sent in the request body.

// {
//   "personalizations": [
//     {
//       "to": [
//         {
//           "email": "recipient@example.com"
//         }
//       ]
//     }
//   ],
//   "from": {
//     "email": "sender@example.com"
//   },
//   "subject": "Hello, World!",
//   "content": [
//     {
//       "type": "text/html",
//       "value": "Hey,<br>Please find attachment."
//     }
//   ],
//   "attachments": [
//     {
//       "content": "BASE64_ENCODED_CONTENT",
//       "type": "text/plain",
//       "filename": "attachment.txt"
//     }
//   ]
// }

Dim json As New Chilkat.JsonObject
success = json.UpdateString("personalizations[0].to[0].email","recipient@example.com")
success = json.UpdateString("from.email","sender@example.com")
success = json.UpdateString("subject","Hello, World!")
success = json.UpdateString("content[0].type","text/html")
success = json.UpdateString("content[0].value","Hey,<br>Please find attachment.")

// Load a file to be attached.
Dim bd As New Chilkat.BinData
success = bd.LoadFile("qa_data/pdf/hello.pdf")

success = json.UpdateString("attachments[0].content",bd.GetEncoded("base64"))
success = json.UpdateString("attachments[0].type","application/pdf")
success = json.UpdateString("attachments[0].filename","hello.pdf")

http.SetRequestHeader "Content-Type","application/json"
// Adds the "Authorization: Bearer YOUR_API_KEY" header.
http.AuthToken = "YOUR_API_KEY"

Dim resp As Chilkat.HttpResponse
resp = http.PostJson3("https://api.sendgrid.com/v3/mail/send","application/json",json)
If (http.LastMethodSuccess = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

Dim respStatusCode As Int32
respStatusCode = resp.StatusCode
System.DebugLog("Response Status Code = " + Str(respStatusCode))
If (respStatusCode <> 202) Then
    System.DebugLog("Response Header:")
    System.DebugLog(resp.Header)
    System.DebugLog("Response Body:")
    System.DebugLog(resp.BodyStr)
    System.DebugLog("Failed.")

    Return
End If

System.DebugLog("Success.")