The email solution for

We delivers your transactional emails

Transactional email sending made easy, right on time. 1,000 emails free each month.

curl -X POST \
  https://apicore.useinbox.com/notify/v1/send \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
	"from": {
    		"name": "Example",
    		"email": "[email protected]"
	"to": [
		{"email":"[email protected]xample.com"}
	"subject": "Welcome",
	"htmlContent": "Welcome to INBOXNotify"
require 'uri'
require 'net/http'
url = URI("https://useapi.useinbox.com/notify/v1/send")
http = Net::HTTP.new(url.host, url.port)
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\"from\": {\"name\": \"Example\",\"email\": \"[email protected]\"},\"to\": [{\"email\":\"[email protected]\"}],\"subject\": \"Welcome\",\"htmlContent\": \"Welcome to INBOXNotify\"}\n"
response = http.request(request)
puts response.read_body
import requests
url = "https://useapi.useinbox.com/notify/v1/send"
payload = "{\"from\": {\"name\": \"Example\",\"email\": \"[email protected]\"},\"to\": [{\"email\":\"[email protected]\"}],\"subject\": \"Welcome\",\"htmlContent\": \"Welcome to INBOXNotify\"}\n"
headers = {
    'Content-Type': "application/json",
response = requests.request("POST", url, data=payload, headers=headers)
  'Content-Type' => 'application/json'
$request->setBody('{"from": {"name": "Example","email": "[email protected]"},"to": [{"email":"[email protected]"}],"subject": "Welcome","htmlContent": "Welcome to INBOXNotify"}
try {
  $response = $request->send();
  echo $response->getBody();
} catch (HttpException $ex) {
  echo $ex;
OkHttpClient client = new OkHttpClient();
MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"from\": {\"name\": \"Example\",\"email\": \"[email protected]\"},\"to\": [{\"email\":\"[email protected]\"}],\"subject\": \"Welcome\",\"htmlContent\": \"Welcome to INBOXNotify\"}\n");
Request request = new Request.Builder()
  .addHeader("Content-Type", "application/json")
Response response = client.newCall(request).execute();
var client = new RestClient("https://useapi.useinbox.com/notify/v1/send");
var request = new RestRequest(Method.POST);
request.AddHeader("Content-Type", "application/json");
request.AddParameter("undefined", "{\"from\": {\"name\": \"Example\",\"email\": \"[email protected]\"},\"to\": [{\"email\":\"[email protected]\"}],\"subject\": \"Welcome\",\"htmlContent\": \"Welcome to INBOXNotify\"}\n", ParameterType.RequestBody);
IRestResponse response = client.Execute(request)

First impressions of INBOXNotify

We have everything you wished for...

  • We have everything you wished for
  • Email delivery made for developers
  • Unrivalled deliverability
  • Practical data and analytics
  • Trustworthy support from the award-winning team
  • Flexible templates and high personalization

We offer nothing you didn't wish for...

  • Sad customers asking about missing emails
  • Uncertain email delivery
  • Outages and delays with no explanation
  • Costly add-ons and extras
  • Unhelpful and slow support
  • Convoluted infrastructure and APIs

For Developers

Everything is built API first with a focus on simplicity and compliance to standards.

Engineered for Reliability

We’re serious about uptime and we have the track record to prove it.

Quick Support

Having trouble? Our support team is available 24/7/365.

Powerful, yet simple

The best at transactional email, because all we do is email. Thanks to this, INBOX’s IP reputations are high and that means we get along with ISPs well.


Realtime reports will make it all easier for you

Track every email that you send, from start to finish, and get your emails into inboxes.

Easy API

An understandable API

Not the complex and annoying APIs you are used to using. But a very comprehensible one


Responsive and well integrated templates

Email has developed a lot since its first emergence. And its standards, as well. But creating and managing email templates is weary and time-consuming. That’s why we got your back on that.

What customers are saying

Over 15,000 customers trust INBOXNotify to send more than 20 billion emails every month.

"Emailing with the user-friendly interface is quite easy. The reporting system that is supported by INBOX helps you to organize your email campaign more precisely and appropriately."​
Faruk Y.
B2B Specialist - Designer
"We have been using the system regularly for about six months every week. We would like to let you know that we are pleased about INBOX design agent’s quick and resolvable approach and the panel display which is easy."
Esra O.
Marketing Specialist
"Solution-oriented is a must for our industry. Even though, this is the prime condition we are looking for in partnership with our partners, unfortunately until the day we met with INBOX."
Elif B.

Use our API and integrate email into your app straightaway

Start today and improve your email sending

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