K&H Developer Portal

the future of banking

  • get familiar with K&H solution
  • explore our APIs
  • connect to our Sandbox

Welcome to K&H Developer Portal that guides you through the first steps towards offering great services to your customers through APIs. K&H’s APIs are intended to encourage TPPs to create truly innovative services that provide a great user experience.

K&H’s APIs are based on the Berlin Group’s v1.2 framework and the industry’s best practices, and have been designed with great care in order to provide our customers and your business with the quality and value to which they are accustomed from K&H Bank.

The portal contains high-quality API documentation as well as numerous useful guides and illustrations.

In order to gain access to the detailed developer documentation, please register yourself.

Disclaimer: This Portal is dedicated to the K&H Open API in accordance with the PSD2 directive. If You are looking for other K&H API solutions, please visit this site for APIs relating to POS or VPOS based card acceptance.

K&H’s APIs

  • comply with the REST style;
  • communicate through HTTP, above a TLS connection;
  • use JSON and XML data representation (only in case of ISO20022-based messages);
  • support the ISO20022 standard (pain.001, pain.002, camt.052)
  • communicate errors with HTTP status codes and developer-friendly error messages;
  • use the latest security standards (QWACS eIDAS certificates). 

how to start discovering K&H's APIs?

Register yourself to gain access to the detailed API documentation
Read the API documentation to find out the opportunities offered by K&H’s APIs.
Use tokens.
Test your application in the sandbox.
Didn’t find what you were looking for? Send us an e-mail and we’ll help.