PortOne

PortOne REST API (V1, legacy Iamport)

Legacy V1 (Iamport) REST API on api.iamport.kr — token-authenticated (POST /users/getToken with imp_key/imp_secret) payment lookup, cancellation, non-authenticated and scheduled payments, virtual accounts, and identity verification. Maintained for existing integrations; new integrations are directed to V2.

GitHub

Documentation

📖
Documentation
https://developers.portone.io/api/rest-v1
📖
APIReference
https://developers.portone.io/api/rest-v1/payment

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/portone/refs/heads/main/apis.yml

API entry from apis.yml

apis.yml Raw ↑ 
aid: portone:portone-rest-api-v1
name: PortOne REST API (V1, legacy Iamport)
tags:
- Payments
- Legacy
- Iamport
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
humanURL: https://developers.portone.io/api/rest-v1
baseURL: https://api.iamport.kr
properties:
- url: https://developers.portone.io/api/rest-v1
  type: Documentation
- url: https://developers.portone.io/api/rest-v1/payment
  type: APIReference
description: Legacy V1 (Iamport) REST API on api.iamport.kr — token-authenticated (POST /users/getToken
  with imp_key/imp_secret) payment lookup, cancellation, non-authenticated and scheduled payments, virtual
  accounts, and identity verification. Maintained for existing integrations; new integrations are directed
  to V2.