CruzLink API

API Integration Solution (API Gateway)

Expand your business
with verified API Gateway

Open APIs and a variety of fin tech services are active to intensify competition in the financial market.

The emergence of Open APIs and various fintech services has intensified competition in the financial market. So now API Business which is offering a variety of service experiences to customers has become an important part of the financial business.

CruzLink API is an API Gateway to send and receive APIs between client and server. It makes the speedy and stable environment to launch brand new services by connecting to other affiliates with API.

The beginning of API Business, CruzLink API

Why CruzLink API?


Independent architecture from the legacy system

  • Efficient deployment of solutions based on customer system requirements (ex. mount on legacy integration system or develop separately in DMZ section)
  • Applies to any legacy system by interface (communication, data) conversion feature

System scalability

  • By providing API Client and Server together, implementing bi-directional service environment with one solution
  • Efficiently integrate distributed business systems and easily add new APIs
  • Respond flexibly to the progressive adoption of MSA

Guaranteed service performance/stability

  • Service discovery technology to maximize service performance
  • Decentralized processing technology and transaction monitoring based on mass transaction processing experience
  • High understanding of the financial system and work

Main functions


API Register

API Routing

Data/Protocol conversion

API User Authentication

Transaction Monitoring

HOT Deploy

Main use cases


Open banking system

link the OPEN APIs from KFTC

Fintech service affiances

link fintech services such as Toss, bank salad and etc.

Other service affiances

link government services or other cooperation