One Payment Infrastructure
Fast payment integration,
faster growth
Fast payment integration,
faster growth
Save time and costs with integrated payments and settlements, and
provide scalable infrastructure from startups to large enterprises.
Reduce time and costs with integrated payment and settlement,
and provide scalable infrastructure from new businesses to enterprise corporations.
The choice of growth-driving companies: One Payment Infrastructure
The fastest way
to build payment infrastructure
By integrating with over 50 domestic and international PG companies, we consolidate scattered payment and settlement data,
providing the most efficient payment infrastructure for both finance and development teams.
By integrating with over 50 domestic and international PG companies, we consolidate scattered payment and settlement data, providing the most efficient payment infrastructure for both finance and development teams.
Number of clients as of '25
Annual Gross Merchandise Volume
Time required for PG integration
Feature Introduction
One platform, all payment experiences
Feature Introduction
One platform, all payment experiences
PG Integration Management
PG Integration Management
PG Integration Management
Optimizing customized fees for business
Optimizing customized fees for business
Compare numerous domestic and international PGs at a glance and receive
the lowest fee condition proposals most favorable to your business.
Compare numerous domestic and international PG companies at a glance
and get the best lowest fee terms for your business.
Compare numerous domestic and international payment gateways at a glance and receive proposals for the lowest fee conditions that are most advantageous for your business.
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End your complex PG comparison here, all in one place
Complex PG comparisons,
finish them all in one place
End your complex PG comparison here, all in one place
Compare and apply for over 50 domestic and international PG companies in one place, and quickly start everything from general and simple payments to
identity verification screening with PortOne consulting.
Compare and apply for over 50 domestic and international PG companies in one place, and quickly start everything from general and simple payments to identity verification screening with PortOne consulting.
Compare and apply for over 50 domestic and international PG companies in one place, and quickly start everything from general and simple payments to identity verification screening with PortOne consulting.
Please help me apply for the PG (Payment Gateway).
Please help me apply for the PG (Payment Gateway).
Please help me apply for the PG (Payment Gateway).
I'll connect you to our technical support team!
I'll connect you to our technical support team!
I'll connect you to our technical support team!
Payment SDK for instant integration without complex development
Payment SDK
to integrate instantly without complex development
Payment SDK for instant integration without complex development
With our easy-to-use SDK and integration support, integration that typically took more than 3 months on average can now be completed
within 2 weeks.
With our easy-to-use SDK and integration support, integration that typically took more than 3 months on average can now be completed within 2 weeks.
With our easy-to-use SDK and integration support, integration that typically took more than 3 months on average can now be completed within 2 weeks.
Payment management that does not tolerate even a single second of downtime
Payment management
that does not tolerate even a 1-second failure
Payment management that does not tolerate even a single second of downtime
With traffic switching in just 10 seconds,
you can resolve outages that previously took an average of 1 hour to handle with an in-house build.
With traffic switching in just 10 seconds, you can resolve outages that previously took an average of 1 hour to handle with an in-house build.
With traffic switching in just 10 seconds, you can resolve outages that previously took an average of 1 hour to handle with an in-house build.
Meet customers worldwide with PortOne as one.
Meet customers all over the world
with PortOne as one
Meet customers worldwide with PortOne as one.
Support a stable global payment environment
by expanding currencies and payment methods for each country with PortOne.
Support a stable global payment environment by expanding to country-specific currencies and payment methods all through PortOne.
Support a stable global payment environment
by expanding currencies and payment methods for each country with PortOne.
Which PG is most advantageous for my business?
Which PG would be
the most advantageous for my business?
From the best payment methods to integration guides, find everything you need at PortOne.
From the best payment methods to integration guides, find everything you need at PortOne.
Contact Us
Integrated Data Management
Integrated Data Management
Payment History
See the payment details of all PGs on a single screen. You can manage everything at once, from payment history lookup
to cancellation/refund processing and cash receipt issuance history.
Payment Completed
Payment Completed
01/26/10 09:41:48 AM
01/26/10 09:41:48 AM
KG Inicis
KG Inicis
78,000
78,000
South Korean Won (KRW)
South Korean Won (KRW)
Payment Completed
Payment Completed
11/01/26 10:24:32 AM
11/01/26 10:24:32 AM
NHN KCP
NHN KCP
52,240
52,240
South Korean Won (KRW)
South Korean Won (KRW)
Cancel Payment
Cancel Payment
12.01.26 51:24:32
12.01.26 51:24:32
NHN KCP
NHN KCP
28,000
28,000
South Korean Won (KRW)
South Korean Won (KRW)
Cancel Payment
Cancel Payment
26.01.12 10:24:32
26.01.12 10:24:32
Nice Payments
Nice Payments
28,000
28,000
South Korean Won (KRW)
South Korean Won (KRW)
Subscription History
With Super Billing Key, you can manage multiple billing keys in an integrated way, and reliably operate failed payments using the
retry and reschedule features.
With Super Billing Key, you can manage multiple billing keys in an integrated way, and reliably operate failed payments using the retry and reschedule features.
Failed payment amount for May
Failed payment amount for May
574,080
574,080
won
won
Retry payment
Retry payment
Payment Data Analysis
Analyze payment trends and usage status by payment method to confirm sales performance and
derive insights for improving conversion rates.
Analyze payment trends and usage status by payment method to confirm sales performance and derive insights for improving conversion rates.
Transaction Status
Transaction Status
Up 25% compared to the previous period
Up 25% compared to the previous period
January 2026
January 2026
12,604,000
12,604,000
South Korean Won (KRW)
South Korean Won (KRW)
PG Settlement Details
PG Settlement Details
Settlement Details
You can integrate and manage the settlement data of multiple PG companies on one page to
quickly understand the settlement status and improve work efficiency.
Integrate and manage settlement data from multiple PG companies on a single page
to quickly grasp the settlement status and improve work efficiency.
December Credit/Debit Card + Cash Receipt Issuance + Others
December Credit/Debit Card + Cash Receipt Issuance + Others
₩41,370,900
₩41,370,900
Transaction Reconciliation
Automatically match transaction data from each PG company with internal order data
to quickly and accurately verify that the settlement amounts match.
Automatically match transaction data from each PG company with internal order data to quickly and accurately verify that the settlement amounts match.
Lip-sync
Lip-sync
5,150,080
5,150,080
South Korean Won (KRW)
South Korean Won (KRW)
Kakao Pay
Kakao Pay
Mismatch
Mismatch
245,000
245,000
South Korean Won (KRW)
South Korean Won (KRW)
KG Inicis
KG Inicis
Self-data reconciliation
Using sales data, PG transaction and settlement data are automatically mapped,
allowing you to check the reconciliation status of each transaction without manual Excel comparison.
Using sales data, PG transaction and settlement data are automatically mapped, allowing you to check the reconciliation status of each transaction without manual Excel comparison.
Select and Upload File
SalesData_Jan26.xls
Feature Introduction
One platform, all payment experiences
PG Integration Management
Optimizing customized fees for business
Compare numerous domestic and international payment gateways at a glance and receive proposals for the lowest fee conditions that are most advantageous for your business.
%
%
%
%
End your complex PG comparison here, all in one place
Compare and apply for over 50 domestic and international PG providers in one place, and get started quickly with PortOne consulting—from standard and simple payments to identity verification screening.
Please help me apply for the PG (Payment Gateway).
I'll connect you to our technical support team!
Payment SDK for instant integration without complex development
By providing an easy-to-use SDK and integration support, the integration process that typically took over 3 months on average can be completed within 2 weeks.
Payment management that does not tolerate even a single second of downtime
By shifting traffic in just 10 seconds, you can resolve incidents that previously took an average of 1 hour to handle with an in-house build.
Meet customers worldwide with PortOne as one.
Support a stable global payment environment by expanding
currencies and payment methods for each country with PortOne.
Integrated Data Management
Payment History
View payment history from all payment gateways on a single screen. You can manage everything at once, from searching transaction history to processing cancellations and refunds, and even viewing issued cash receipts.
Payment Completed
26.01.10
09:41:48
KG Inicis
78,000
South Korean Won (KRW)
Payment Completed
26.01.11
10:24:32
NHN KCP
52,240
South Korean Won (KRW)
Cancel Payment
12.01.26 51:24:32
NHN KCP
28,000
South Korean Won (KRW)
Cancel Payment
26.01.12 10:24:32
Nice Payments
28,000
South Korean Won (KRW)
Subscription History
With the Super Billing Key, you can consolidate and manage multiple billing keys, while stably handling failed payments using the retry and reschedule features.
Failed payment amount for May
574,080
won
Retry payment
Payment Data Analysis
By analyzing payment trends and usage status by payment method, you can verify sales performance and derive insights to improve conversion rates.
Transaction Status
Up 25% compared to the previous period
January 2026
12,604,000
South Korean Won (KRW)
PG Settlement Details
Settlement Details
You can quickly understand settlement status and increase work efficiency by integrally managing the settlement data of multiple PG companies on a single page.
December Credit/Debit Card + Cash Receipt Issuance + Others
₩41,370,900
Transaction Reconciliation
By automatically matching transaction data from each PG company with internal order data, you can quickly and accurately verify whether settlement amounts match.
Lip-sync
5,150,080
South Korean Won (KRW)
Kakao Pay
Mismatch
245,000
South Korean Won (KRW)
KG Inicis
Self-data reconciliation
By using sales data, PG transaction and settlement data are automatically mapped, allowing you to verify the reconciliation status of each transaction without manual Excel comparisons.
Select and Upload File
SalesData_Jan26.xls
Customer Stories
The new standard for payment experiences Growing together with PortOne
Check out the payment innovation stories of companies that partnered with PortOne.
Customer Stories
The new standard for payment experiences Growing together with PortOne
Check out the payment innovation stories of companies that partnered with PortOne.
Game
Entertainment
Education
Commerce
SaaS
Service
travel
Reduce In-App Purchase
Fees by 90% by Building a Web Store
By expanding our service, which had been operated mainly through mobile apps for over 10 years, to web payments, we built our entire web payment system through PortOne and received consulting on web store activation strategies. As a result, we reduced in-app purchase fees by 90% without any trial and error, and successfully created a new source of revenue.
TEAM42
Game developer with 10 million downloads
Game
Entertainment
Education
Commerce
SaaS
Service
travel
Reduce In-App Purchase Fees by 90% by Building a Web Store
By expanding our service, which had been operated mainly through mobile apps for over 10 years, to web payments, we built our entire web payment system through PortOne and received consulting on web store activation strategies. As a result, we reduced in-app purchase fees by 90% without any trial and error, and successfully created a new source of revenue.
TEAM42
Game developer with 10 million downloads
Game
Save 90% on in-app purchase fees
by building a web store
By expanding our service, which had been operated mainly through mobile apps for over 10 years, to web payments, we built our entire web payment system through PortOne and received consulting on web store activation strategies. As a result, we reduced in-app purchase fees by 90% without any trial and error, and successfully created a new source of revenue.
TEAM42
Game developer with 10 million downloads
FAQ
What are you curious about?
From implementation to operation, we have gathered the most frequently asked questions about our One-Payment infrastructure service.
FAQ
What are you curious about?
From implementation to operation, we have gathered key questions about the One Payment Infrastructure Service.
FAQ
What are you curious about?
From implementation to operation, we have gathered the most frequently asked questions about our One-Payment infrastructure service.
Learn More
How is PortOne different from PG companies?
How is PortOne different from PG companies?
What size of business is this service suitable for?
What size of business is this service suitable for?
Do you support webhooks?
Do you support webhooks?
Is there a usage fee, or is it free?
Is there a usage fee, or is it free?
How are discrepancies or errors in the settlement data handled?
How are discrepancies or errors in the settlement data handled?
How is the stability of the service guaranteed?
How is the stability of the service guaranteed?
Learn More
Every payment,
with a single infrastructure
PortOne's single payment infrastructure revolutionizes corporate payment operations
and enables greater expansion.
PortOne's single payment infrastructure innovates
business payment operations and enables greater expansion.
Which PG would be
most advantageous for my business?
From the best payment methods to integration guides,
check them all at once on PortOne.
Contact Us
All of PortOne's products
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PortOne Korea Co., Ltd. | CEO Youngju Jeong
4th Floor, JK Tower, 16 Seongsu-iro 20-gil, Seongdong-gu, Seoul
Business Registration Number 117-81-78260
Copyright © 2026 PortOne Korea Corp. All rights reserved.
Copyright © 2026 PortOne Korea Corp. All rights reserved.
All of PortOne's products
Sitemap
PortOne Korea Co., Ltd. | CEO Youngju Jeong
4th Floor, JK Tower, 16 Seongsu-iro 20-gil, Seongdong-gu, Seoul
Business Registration Number 117-81-78260
Copyright © 2026 PortOne Korea Corp. All rights reserved.
Copyright © 2026 PortOne Korea Corp. All rights reserved.
All of PortOne's products
Sitemap
PortOne Korea Co., Ltd. | CEO Youngju Jeong
4th Floor, JK Tower, 16 Seongsu-iro 20-gil, Seongdong-gu, Seoul
Business Registration Number 117-81-78260
Copyright © 2026 PortOne Korea Corp. All rights reserved.
Copyright © 2026 PortOne Korea Corp. All rights reserved.