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💳 Online Payment (EasyPAY)

KICC EasyPAY is a robust payment solution that can be easily and quickly applied to both web and mobile environments. We provide 4 Core Modules tailored to various business models, such as e-commerce, subscription services, and marketplaces.


1. General Payment

The most common one-time payment method. You can choose between Integrated and Standalone types depending on how much you want to customize the customer's payment experience (UX).

🆚 Integrated vs. Standalone

FeatureIntegrated (Standard)Standalone (Direct)
OverviewInvokes the KICC Standard Payment Window, allowing customers to select a payment method within our UI.The merchant selects the payment method first and directly invokes the specific provider's window (Card/Simple Pay).
ProsEasiest implementation. Supports all KICC payment methods (Card, Transfer, Mobile, etc.) at once.Maintains the merchant's UI consistency and reduces checkout steps (lower drop-off rate).
Recommended ForGeneral e-commerce sites, or when minimizing development resources is a priority.Services where branding is crucial, or when emphasizing specific Simple Pay options (e.g., Naver Pay).

2. Recurring Payment (Billing)

Optimized for subscription services where payments occur on a fixed schedule (monthly/weekly).

  • Billing Key Based: A Billing Key is issued after the customer's initial authentication.
  • Flexible Timing: Afterward, you can charge the customer via API at any desired time (e.g., shipping date, renewal date) without further authentication or card entry.
  • Use Cases: OTT subscriptions, Regular deliveries (Milk/Food), Donations.

3. Payment Management

A collection of APIs to manage the lifecycle of a transaction after approval.

  • Cancel: Cancels an approved transaction. (Supports Full and Partial cancellation).
  • Refund: Handles refunds to the customer's bank account for transactions made via Virtual Account, etc.
  • Status Check: Verifies the real-time status of a specific order (Approved, Cancelled, Captured, etc.).

4. Value-added Services

Additional features to enhance business trust and operational efficiency.

  • 🛡️ Escrow: A transaction protection service that holds the payment and releases it to the seller only after delivery is confirmed (Mandatory for cash transactions in KR).
  • 🧩 Multi-Split (Split Settlement): Automatically divides a single payment amount among multiple sellers (sub-merchants), ideal for Marketplace/Open Market platforms.
  • 🔗 SMS URL Payment: Allows customers to pay immediately via a link sent by SMS, even without a developed shopping mall interface.
  • 🧾 Cash Receipt: Provides APIs to issue and cancel Cash Receipts for bank transfers or virtual account payments.
  • 🔔 Webhook (Notification): Pushes real-time events to the merchant's server, such as Virtual Account deposit confirmation or Escrow delivery status changes.

🚀 Next Steps

Have you decided which feature to integrate? Check out the detailed guides below.