Plug your application into our developer-friendly email delivery solution.

  • Reliable email API to send, track, & parse email from your app
  • Signup free & easily integrate with just 7 lines of code
  • API documentation & live developer support (start chat now)

See all code samples in our Developer Hub.

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Email API & SMTP Service

Explore Our Popular Email APIs

Injection API

The Injection API provides users with the ability to send messages through HTTP POST requests, as opposed to standard SMTP message injection (which we also support). The Injection API provides users with the ability to do inline mail merges in a single HTTP POST request and to choose JSON or XML based on their application and business needs.


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Notification API (Webhook)

The Notification API makes it easy to receive real-time notification of SMTP events such as delivered messages, failed messages, and FBL messages received. It can receive notifications written in any language, on any platform, in any location, without the need to write traditional plugins.


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Inbound Parsing API

For email that is delivered directly to your application as a JSON blob via HTTP POST, this API includes full deconstruction of email messages including text, html, attachments, custom headers, and much more. You can receive a full summary and detailed reporting on all inbound email activity for your account.


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Reporting API

Our Reporting API is a RESTful API that enables you to query for sent, failed, complaint, open, or click events associated with your email. See our Reporting API documentation for a complete overview of API capabilities.


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Integrate and Deliver via API in 5 Minutes or Less Using Our Helper Libraries

SocketLabs’ email API plays well with your favorite platforms and development frameworks, including .NET, PHP, Java, Node.js, Python, Go, and more! As a developer, our send email API gives you all the tools you need to embed powerful email functionality into your applications.

See All Code Samples on GitHub

See Our Libraries & Code Samples

Speed up development with pre-built libraries and code samples for popular languages. Choose a library below!

You’re in Good Company

“Working with Socketlabs has allowed us to focus on growing our top line revenue while enjoying the email assurance that they provide. From the moment we signed up through unique challenges that we have experienced, it has been their support and understanding that has made us a loyal customer. We would recommend their services to anyone that is looking for a world class system backed by their world class support.”

Kevin McManaway  |  E-Media Direct

“We developed a mass email delivery system in-house, and when we started to overwhelm our servers, we turned to SocketLabs' dedicated outbound email solution. The SocketLabs email servers are not only fast, but they are extremely reliable. Our franchise community couldn't be happier!”

Owen Ellington  |  IT Director, PIU Management, LLC

“We can’t do business without email and SocketLabs makes email happen for us.  We could have picked tons of providers but I am glad that we chose Socketlabs.  SocketLabs doesn’t just work, it works WITH us.”

Jason Storey  |  IT System Administrator, Mage Solar Projects, Inc.

“I just wanted to tell you that I have been using this service for less than an hour and I am already extremely pleased. I can't believe I didn't sign up to this years ago. Thanks.”

TJ Ruper  |  NHS-Northstar

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