{"name":"K-culture data for AI agents — paid per call in JPYC or USDT on Kaia or USDC on Base (x402)","payment":{"protocol":"x402","x402Version":2,"scheme":"exact","network":"eip155:8217","chainId":8217,"payTo":"0x1738EA3df9EE26c65037C6AC75e088c351BAaEb9","gasless":"the buyer only signs; no KAIA needed","headers":{"required":"PAYMENT-REQUIRED","payment":"PAYMENT-SIGNATURE","receipt":"PAYMENT-RESPONSE","v1":"X-PAYMENT accepted"},"assets":[{"symbol":"JPYC","address":"0xe7c3d8c9a439fede00d2600032d5db0be71c3c29","decimals":18,"method":"EIP-3009 transferWithAuthorization (x402 exact, standard)","price":"yen price"},{"symbol":"USDT","address":"0xd077a400968890eacc75cdc901f0356c943e4fdb","decimals":6,"method":"EIP-2612 permit (non-standard extension; spender = extra.spender in the 402 response)","price":"yen price converted to USD, rounded up to the cent"},{"symbol":"USDC","network":"eip155:8453","chainId":8453,"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","decimals":6,"payTo":"0x12fd48d3931179514c89FcBA7296de52Df3ba540","method":"EIP-3009 transferWithAuthorization (x402 exact, standard)","price":"yen price converted to USD, rounded up to the cent"}]},"languages":"every endpoint takes lang=en | ja | ko (default: English, or the Accept-Language ja/ko)","endpoints":[{"method":"GET","path":"/v1/kpop/search","params":{"q":"artist or title"},"priceYen":0,"returns":"matching concerts in Korea (next 6 months) with concert ids"},{"method":"GET","path":"/v1/seoul/trip-pack","params":{"id":"concert id from /v1/kpop/search, e.g. PF303322"},"priceYen":50,"returns":"trip pack: schedule, seat prices in yen, ticket sites, venue + map, nearest stations and last trains, live crowd and weather near the venue, popular areas nearby, nearby hotels/food/spots, same-week festivals"},{"method":"GET","path":"/v1/kpop/new","params":{"q":"artist (optional, Japanese OK)","since":"YYYYMMDD (optional, default 7 days)"},"priceYen":3,"returns":"newly registered or updated concerts in Korea (titles in the chosen language), for repeated checks"},{"method":"GET","path":"/v1/seoul/now","params":{"place":"place name or code from /v1/seoul/places"},"priceYen":1.5,"returns":"live crowd level, 12-hour crowd forecast, weather and events for a Seoul place, refreshed every ~5 minutes"},{"method":"GET","path":"/v1/seoul/subway","params":{"station":"station name in English, Japanese or Korean, e.g. Hongik Univ."},"priceYen":1.5,"returns":"next trains at a Seoul subway station right now"},{"method":"GET","path":"/v1/airport/icn","params":{},"priceYen":1.5,"returns":"Incheon Airport departure-hall waiting minutes and queue per gate (T1, T2), live"},{"method":"GET","path":"/v1/seoul/places","params":{},"priceYen":0,"returns":"the 121 Seoul places with names and codes"},{"method":"GET","path":"/v1/kpop/concerts","params":{"from":"YYYYMMDD","to":"YYYYMMDD"},"priceYen":3,"returns":"Seoul pop concerts"},{"method":"GET","path":"/v1/korea/festivals","params":{"lang":"ja|en|ko","from":"YYYYMMDD"},"priceYen":3,"returns":"festivals and events in Korea"},{"method":"GET","path":"/v1/request","params":{"want":"the Korea data you need (free text)","useCase":"optional","contact":"optional"},"priceYen":0,"returns":"free: request Korea data we do not offer yet; the most requested data is added first"}],"mcp":"https://k-agentpay.com/mcp","source":"https://github.com/k-agentpay/kaia-x402","data":"Text data only. Japanese text is machine-translated. Paid responses carry the data license notice."}