The complex work after payment
Design payment methods, merchant structures and settlement rules together, reducing the work of assembling separate systems.
We build and operatepayment systems.
PG, prepaid payments and settlement systems, with support for Korean payment business registration.
Powered by 
Every business needs payments,
Not everyone needs to be a payments expert.
Payment does not end at authorization. It continues through cancellations, refunds, merchant settlement, reconciliation and evolving integrations and operations.
One team for implementation and operations
Our PG implementation and operating experience supports testing, migration and post-launch maintenance.
Technology for your next stage of growth
We develop the system to accommodate new payment methods, increasing number of merchants, and changing settlement policies.
Trusted by Kurly and Ohouse.
Powered by .
Explore the payment systems we build and modernize for our clients.
Kurly Enterprise
Dedicated payment systems and
settlement maintenance
We built Kurly Pay’s PG, express checkout and prepaid systems, followed by PG operations, gift certificate enhancements and settlement maintenance for Kurly and Kurly Pay.
Explore the work deliveredSmartro
Upgrading the existing PG system and
Express checkout authorization server development
We developed Smartro’s L.Pay express checkout authorization server and delivered PG modernization and follow-on enhancements.
Explore the work deliveredOhouse Enterprise
Platform PG/Prepaid
Payment system development
We built Ohouse’s PG and prepaid payment systems to provide both payment and prepaid capabilities within the platform.
Explore the work deliveredA registered electronic financial business in Korea.
Skills and experience required for payment business,
Connect with wiezon.
From system implementation and registration preparation to API integration and cloud operation.
Solutions
Custom PG and prepaid payment systems
Learn more Consulting
Electronic financial business licensing support
Learn more API
Payment and settlement APIs
Learn more Cloud
Payments, settlement and merchant operations
Learn more Enterprise
Operations, maintenance and integration
Learn more Energy
EV charging and ESS management
Learn moreWhat to entrust,
Define the scope with us.
Full implementations and targeted enhancements are scoped around your business.
- 1
Business and implementation scope
Review payment methods, merchants, sales networks, settlement rules and existing systems.
- 2
Criteria for cost and schedule
Define quote and schedule assumptions for core functions, additional integrations, migration, infrastructure and operations.
- 3
The role of transition and operations
We determine each team's responsibilities during the development, verification, and transition stages and the scope of support after launch.
API
Have a development team?
Connect our APIs to your service.
With your own developers or a development partner,
integrate the payment and settlement capabilities your service needs.
- Connect to your existing service
Connect payments, cancellations, transaction reconciliation and settlement to order, customer and merchant systems.
- Choose the payment providers and capabilities you need
Review Korean and international PG connections, availability by country and the integrations your development team will handle.
Cloud
No development team,
or limited development capacity?
Reduce the development work. Manage payments and settlement with wiezon Cloud.
- Start with built-in capabilities
Use payment, prepaid, settlement, merchant and sales network management functions in the cloud.
- Configure it for your business
Core functions are available without additional development. We separately identify external integrations and custom development needs.
Which service to choose
Not sure which to choose?
Tell us about your business.
Find the right service for your business.
Your next stage of growth.
Payments with .
Share the payment and settlement workflows you need to improve. We will define the scope from implementation to operations.