Kong is capitalizing on one of the big trends in software. Here’s the pitch deck it used to raise $43 million to build out its service.


  • Kong offers a service that helps companies manage their application programming interfaces, or APIs, which are the snippets of code that are used to build apps.
  • Kong’s service can limit API requests, allow access to only specific developers, and monitor who’s connecting with the APIs.
  • The company just raised $43 million in Series C funding to build out its service.
  • Below is the pitch deck it used to secure the new funds.
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Augusto Marietti thinks his company is in the right position to benefit from one of the biggest trends in software development.

At the heart of most contemporary software development are application programming interfaces, or APIs, which are the bits of code that programmers use to build particular features into their apps or services. Though created by specific developers or platform makers, they’re frequently shared with other app and service makers. For example, developers use Facebook’s APIs to allow users to log into their apps with Facebook credentials.

Marietti’s startup, Kong, offers a service that allows companies to control the use of their APIs. Its service acts as a kind of gatekeeper; it can restrict access to particular developers, limit the number of times particular APIs are accessed, and keep track of how often particular ones are being used.

In recent years, there’s been an explosion in APIs, “which creates the need for an API broker like Kong to exist,” he said.

Kong has actually been around for about decade, albeit not in its present form. In 2009, Marietta launchedMashape, which was intended to be a marketplace for APIs. But he and his team soon found that they needed a way to manage all the requests for those APIs. They called the technology they built — a kind of firewall or proxy for APIs — Kong.

Two years ago, Marietti and his team shifted their focus to building on the API proxy technology. They sold off the marketplace and renamed their startup Kong.

“It was a 10-year journey,” he said. “But in reality, Kong is a two-year’s baby.”

Marietti wants Kong to do more than just manage APIs

The basic Kong proxy service is available for free as open-source software. But the startup sells on a subscription basis a more advanced version that offers additional features, including a graphical interface, enhanced security, and the ability to analyze incoming requests.

Customers basically redirect incoming API requests to Kong. The company’s paid service can monitor incoming requests and alert customers to potentially harmful ones. It can also process incoming requests to filter out sensitive information, such as credit card numbers, or to format them so that customers’ computers can process them more easily.

Investors have been enthusiastic about Kong’s revised business model. The San Francisco company raised $18 million in a Series B funding round about the time it switched gears two years ago. And last month, it announced that it has raised another $43 million in a Series C round that was led by Index Ventures.

Read this:This CEO was so broke he had to crash on Travis Kalanick’s couch — now he’s raised $18 million from Andreessen Horowitz

Marietti plans to invest about 80% of the new funds in two areas — research and development and sales and marketing — with the rest going to operations. The company’s 10- to 20-year vision is to build what he calls a service-control platform, which would allow customers to manage all of their services from creation to testing to implementation.

That envisioned offering is “much bigger than a load balancer, API management, or integration market,” he said.

Here’s the pitch deck Marietti and his team used to raise their $43 million in new funding:

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