Integration with Mailchimp

What You'll Need

Backbench account - Sign Up, the personal account will always remain free to use.

Mailchimp account- sign up, create a list and add recipient into the list, create your Campaign and customize your content of email also add the list to your campaign.

Backend

1. Select +, in the upper right corner to create a Module. For example, say "mailchimp.js" and select CREATE or hit Enter.

2. Copy and paste the code module from below.

3. Replace USER NAME, PASSWORD and API key from mailchimp setting section (create a new api key using create button).

4. Select save.

NodeJS

var request = require("request");
module.exports.endpoint = function(req, cb){
var options = { 
method: 'POST',url:
'https://us12.api.mailchimp.com/3.0/campaigns/[campaign_id]/actions/test',
  headers: { 
     content_type: 'application/json'
      },
  auth:{
      username:'username', 
     password: 'api_key'
    },
  body: { 
    test_emails: [ 'TO Mail' ],
    send_type: 'html' 
  },
  json: true 
};

request(options, function (error, response, body) {
  if (error) {
      cb({res:error})
  }
  console.log(body);
  cb({d:body});
});
 
}; 

BBLANG