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OpenAPI Specification

openapi: 3.2.0
info:
  title: Korea Travel & K-pop Live Data (ja/en/ko) Airport API
  version: 1.0.0
  description: 'Live Korea travel data for apps and AI agents, in Japanese, English or Korean: K-pop concert search and new-concert alerts, Seoul concert trip packs (tickets, venue, last trains, crowd, hotels/food nearby), Seoul live crowd + weather for 121 places, next subway trains, Incheon Airport security wait times.'
servers:
- url: https://api.k-agentpay.com
tags:
- name: Airport
paths:
  /v1/airport/icn:
    get:
      summary: Incheon Airport departure-hall waiting minutes and queue per gate (T1
      description: 'Incheon Airport departure-hall waiting minutes and queue per gate (T1, T2), live. x402 price: ¥1.5 per call in JPYC or USDT on Kaia (or via an API marketplace plan).'
      x-payment-info:
        price:
          currency: USD
          mode: fixed
          amount: '0.01'
        protocols:
        - x402:
            version: 2
            networks:
            - eip155:8453
            - eip155:8217
            assets:
            - USDC
            - JPYC
            - USDT
      operationId: airportIcn
      parameters:
      - name: lang
        in: query
        required: false
        description: 'response language: ja (default), en or ko'
        schema:
          type: string
          enum:
          - ja
          - en
          - ko
          default: ja
      responses:
        '200':
          description: JSON data
          content:
            application/json:
              schema:
                type: object
        '400':
          description: bad or missing parameter (not charged)
        '402':
          description: x402 payment required (direct access without a marketplace key)
        '502':
          description: upstream source temporarily unavailable (not charged)
      tags:
      - Airport