Square SDK Release Notes (2018-01-16)
We're thrilled to announce the first release of our public Node.js SDK (version 2.5.3). To help you get started, we've created a an example app that uses the Square Payment Form (SqPaymentForm) to collect payment information and processes payment with the Node.js SDK.
The new Node SDK is available with all of our other the SDKs on GitHub:
We are constantly evaluating new languages to add. In the meantime, if the language you need is not supported, you can always send JSON to the endpoint URLs directly.