Seoul live crowd and weather API

Live crowd level and a 12-hour crowd forecast, weather with a 24-hour forecast and current events for 121 Seoul places — Myeongdong, Hongdae, Gangnam, palaces, markets and stations — refreshed about every 5 minutes.

Use cases

"Is Myeongdong crowded right now?" for travel assistants
Itinerary apps that avoid peak crowds
Retail and event planners watching foot traffic

Three ways to call it

1. RapidAPI (card billing, free tier)

Call it with a RapidAPI key. Free plan: 100 calls/month; paid from $9.90/month. RapidAPI

2. x402 (AI agents pay per call)

No account or key: $0.02 per call in USDC on Base, or JPYC/USDT on Kaia. The agent only signs; no gas. USDT can be withdrawn straight to the Kaia network from major exchanges: Binance, OKX, Upbit, Bithumb, Bitget, Bitfinex.

curl "https://api.k-agentpay.com/v1/seoul/now?place=Myeongdong&lang=en"   # → 402 Payment Required, then pay with any x402 v2 client

3. MCP (Claude, Cursor, …)

Add the MCP server to your agent. MCP setup

Languages

Every endpoint answers in English (lang=en), Japanese (lang=ja) or Korean (lang=ko).

Need other Korea data?

Ask for it, free: GET https://api.k-agentpay.com/v1/request?want=... · request API

OpenAPI: /openapi.json · catalog: /v1 · contact@k-agentpay.com