(Ruby) 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 Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

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

http = Chilkat::CkHttp.new()

# 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"
#     }
#   ]
# }

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

# Load a file to be attached.
bd = Chilkat::CkBinData.new()
success = bd.LoadFile("qa_data/pdf/hello.pdf")

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

http.SetRequestHeader("Content-Type","application/json")
# Adds the "Authorization: Bearer YOUR_API_KEY" header.
http.put_AuthToken("YOUR_API_KEY")

# resp is a CkHttpResponse
resp = http.PostJson3("https://api.sendgrid.com/v3/mail/send","application/json",json)
if (http.get_LastMethodSuccess() == false)
    print http.lastErrorText() + "\n";
    exit
end

respStatusCode = resp.get_StatusCode()
print "Response Status Code = " + respStatusCode.to_s() + "\n";
if (respStatusCode != 202)
    print "Response Header:" + "\n";
    print resp.header() + "\n";
    print "Response Body:" + "\n";
    print resp.bodyStr() + "\n";
    print "Failed." + "\n";

    exit
end

print "Success." + "\n";