SK Telecom

SK Telecom Puzzle Subway Congestion API

Congestion data for every station and train on Seoul metropolitan subway lines 1 through 9 and the Shinbundang Line, including a station metadata/search operation. Documented on the SK open API portal; no downloadable OpenAPI was published for this product at the time of review.

GitHub

Documentation

📖
Documentation
https://openapi.sk.com/products/detail?svcSeq=54
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/sk-telecom/refs/heads/main/rate-limits/sk-telecom-rate-limits.yml

API entry from apis.yml

apis.yml Raw ↑ 
aid: sk-telecom:sk-telecom-puzzle-subway-congestion-api
name: SK Telecom Puzzle Subway Congestion API
description: Congestion data for every station and train on Seoul metropolitan subway lines 1 through
  9 and the Shinbundang Line, including a station metadata/search operation. Documented on the SK open
  API portal; no downloadable OpenAPI was published for this product at the time of review.
humanURL: https://openapi.sk.com/products/detail?svcSeq=54
baseURL: https://apis.openapi.sk.com/puzzle/subway
tags:
- Big Data
- Transit
- Congestion
properties:
- type: Documentation
  url: https://openapi.sk.com/products/detail?svcSeq=54
- type: RateLimits
  url: rate-limits/sk-telecom-rate-limits.yml
  name: Free-plan daily quotas — station list 100/day, real-time train congestion 1,000/day