PortOne Developer Documentation

PortOne provides SDKs for various programming languages and platforms to help customers integrate and use their services more easily. These SDKs are available for both v1 and v2 versions.

The Remittance Agency service allows merchants to automate the process from settlement calculation to bulk payment. Merchants can charge settlement funds into a dedicated virtual account, monitor balances in real-time, and execute mass payments to partners with a single click. The system provides real-time tracking of payment results, including success/failure amounts and failure reasons.

Key-in payments allow for one-time payment requests using only the payment method information, without requiring buyer authentication. Note that using Key-in payments requires separate prior agreement/consultation with the PG (Payment Gateway) provider.

AI Codemate is a tool that leverages Claude Code and the PortOne MCP server to analyze a developer's project environment. It uses official documentation and API specifications to generate customized payment integration code and review existing integration implementations.

PortOne's Partner Settlement Automation Service extends its payment integration capabilities to handle complex settlement processes. It allows developers to register and manage real-time settlement data via API, supporting both order-based settlements and individual settlement items that require additional processing. The service supports various partner billing models, including brokerage fees, shared discount rates for coupons and points, and additional per-order fees such as marketing costs or fulfillment fees. It also provides automation for transfers through banking app Excel downloads and payment agency services.

PortOne provides a promotion management and settlement reconciliation system for merchants who have contracts with card companies to offer 'Card Instant Discounts' to users. Merchants can configure promotions (including duration, discount conditions, and budgets) via the PortOne Console. To apply a discount during payment, the specific promotion ID must be included in the payment request. After a promotion ends, merchants can download an Excel file of all discounted transactions for settlement reconciliation. This service is available only to selected merchants; those interested should contact PortOne.

The PortOne Partner Settlement Automation Service is a one-stop solution designed for marketplace and platform operators to automate the monthly settlement process for sub-sellers (partners). It allows businesses to handle complex settlement cases through simple API integration and the PortOne Admin Console, significantly reducing the financial and development overhead required to build a custom sub-seller settlement system.

The PortOne MCP (Model Context Protocol) server provides AI tools with access to PortOne Developer Center documentation to enable more accurate and specific integration assistance. Additionally, it can perform certain PortOne Console actions (which will prompt for browser login), including: retrieving channel lists, adding test channels, viewing sub-merchants, and viewing payment history.

The PortOne Server SDK is designed to allow developers to use PortOne V2 REST APIs and webhooks across various programming languages without needing to write extensive boilerplate code. Currently, the SDK supports JavaScript, Python, and JVM, with support for Go and PHP planned for the future.

Smart Routing is a payment traffic distribution automation service that allows developers to easily implement a multi-PG (Payment Gateway) environment. To use this feature, you must first configure a Smart Routing group within the admin console.

Billing key payments allow merchants to issue an encrypted key (billing key) for a customer's payment method (card, bank account, etc.) and use that key to charge the customer at a later time without requiring additional authentication. This is primarily used for subscription-based recurring payments or usage-based billing.