Send emails using Sendgrid with google appscript - google-apps-script

Question

I am creating a googlesheet addon to send mails.And for sending mails I am using sendgrid.
I cannot find any documentation or example code for sending mails with Google Appscript. This is the code I am using, but it is no good.
var data = {
"api_user":"username",
"api_key":"ioioi",
"to":[],
"tonnage":[],
"cc":[],
"ccname":[],
"bcc":[],
"subject":sub,
"from":from,
"html":htmlBody
}
var headers = { "Accept":"application/json",
"Content-Type":"application/json"
};
data = JSON.stringify(data);
var options = {
"method": "POST",
"payload": data,
"headers": headers,
"muteHttpExceptions": true
};
var res = UrlFetchApp.fetch("https://api.sendgrid.com/api/mail.send.json", options);
Does anyone have any idea or code to send emails with sendgrid using googl appscript?

Answer 1

Try the below code. It worked for me
var SENDGRID_KEY ='Your API KEY';
var headers = {
"Authorization" : "Bearer "+SENDGRID_KEY,
"Content-Type": "application/json"
}
var body =
{
"personalizations": [
{
"to": [
{
"email": "email id of the sender"
}
],
"subject": "Hello, World!"
}
],
"from": {
"email": "From email id"
},
"content": [
{
"type": "text",
"value": "Hello, World!"
}
]
}
var options = {
'method':'post',
'headers':headers,
'payload':JSON.stringify(body)
}
var response = UrlFetchApp.fetch("https://api.sendgrid.com/v3/mail/send",options);
Logger.log(response);
Also ensure that the API key you created in SendGrid has the all the credentials it needs to send the email

Answer 2

For anyone who has this issue in the future with Transactional Email Template:
https://sendgrid.com/docs/ui/sending-email/how-to-send-an-email-with-dynamic-transactional-templates/
This is the function to send (similar to the answer of Nikil Mathew, but for transactional email template with dynamic data):
export const sendBySendGrid = (toEmail, templateId, dynamicTemplateData) => {
const headers = {
Authorization: `Bearer ${process.env.SENDGRID_API_KEY}`,
'Content-Type': 'application/json',
}
const body = {
from: {
email: process.env.SENDGRID_FROM_EMAIL,
name: process.env.SENDGRID_FROM_NAME,
},
personalizations: [
{
to: [
{
email: toEmail,
},
],
dynamic_template_data: dynamicTemplateData,
},
],
template_id: templateId,
}
const options = {
method: 'POST',
headers,
payload: JSON.stringify(body),
}
const response = UrlFetchApp.fetch('https://api.sendgrid.com/v3/mail/send', options)
Logger.log(response)
}
You can update process.env.SENDGRID_API_KEY, process.env.SENDGRID_FROM_EMAIL, process.env.SENDGRID_FROM_NAME with your SendGrid credentials

Answer 3

Here's what's working for me right now in Google Apps Script, including using a dynamic template and insertion of dynamic data for the "handlebars" in my SendGrid template:
var SENDGRID_KEY ='API_KEY';
var headers = {
"Authorization" : "Bearer "+SENDGRID_KEY,
"Content-Type": "application/json"
}
function sendEmail_1() {
var body = {
"personalizations": [
{
"to": [
{
"email": "test#test.com",
"name": "Test Name"
}
],
"bcc": [
{
"email": "test#test.com"
}
],
"dynamic_template_data":
{
"firstName": "Marco Polo"
}
}
],
"from":
{
"email": "test#test.com",
"name": "Test Name"
},
"reply_to": {
"email": "test#test.com"
},
"template_id":"TEMPLATE_ID"
}
var options = {
'method':'post',
'headers':headers,
'payload':JSON.stringify(body)
}
var response = UrlFetchApp.fetch("https://api.sendgrid.com/v3/mail/send",options);
}