Developers API

Scalable, flexible & secure — Our open API makes integration a breeze.

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API Documentation

In order to maintain transparency and allow developers to integrate with Cayan, we’ve opened the API documentation for various solutions offered by Cayan. If you’re interested in integrating with any of our solutions, please contact us today.

Genius Documentation

Process transactions using Genius and Genius Handheld

View Documentation

Cayan Checkout

Process transactions using simple script based shopping cart solution.

View Documentation

Merchantware

Merchantware web service documentation and resources

View Documentation

Transport 4

Process transactions using the Transport hosted payments page

View Documentation

Store and Forward

Offline transaction processing
with Store and Forward

View Documentation

Knowledge Base

Tips and best practices for
integrating with Genius.

View Documentation

Interested in what Cayan’s developers are up to? Check out the Developers Blog

Mother Nature's Impact on Credit Card Activity | 10/25/17

Dominic Lachowicz

Extreme weather and natural disasters can wreak havoc on the infrastructure that we so much take for granted each day. This year, the Caribbean and Gulf were hit particularly hard by hurricanes. Cayan’s merchant and transaction data offers some insight into how deeply these catastrophic events have impacted Florida, Houston, the US Virgin Islands, and Puerto Rico, and how quickly and to what extent they’ve bounced back.

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Microsoft Announces TLS 1.2 Support for POSReady 2009 | 10/17/17

Dominic Lachowicz

On October 5th, Microsoft announced that it has enabled TLS 1.1 and 1.2 support on Windows POSReady 2009.

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TLS 1.0: 3rd party encryption libraries that can save you time and money | 08/11/17

Dominic Lachowicz

Even if the your Point of Sale’s operating system doesn't support TLS 1.2 (eg. Windows POSReady 2009 or Vista), there's still hope. There are a number of 3rd party TLS libraries that a POS developer might employ in their solution so that their software can support TLS 1.2, without requiring merchants to go through expensive hardware & operating system upgrades.

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