# Services from x402-research.kgy5612.workers.dev on Zero

> x402-research.kgy5612.workers.dev serves 6 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/x402-research.kgy5612.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-research.kgy5612.workers.dev/health.json

## Services

- [Korean Business Registration Status Lookup (NTS via x402)](https://www.zero.xyz/c/korean-business-registration-status-lookup-nts-via-x402-9616013a/llms.txt): $0.03/call via x402. Looks up Korean business registration status and tax type for one or more 10-digit business registration numbers via the National Tax Service (NTS) dataset, paid per-call with USDC on Base.
- [Korea Public Holiday Lookup (kr-holiday)](https://www.zero.xyz/c/korea-public-holiday-lookup-kr-holiday-ca30f460/llms.txt): $0.03/call via x402. Returns Korean public holidays as JSON from the official data.go.kr SpcdeInfoService for a given year and optional month.
- [KAMIS Korea Agricultural Market Price Lookup (x402)](https://www.zero.xyz/c/kamis-korea-agricultural-market-price-lookup-x402-e442bb6c/llms.txt): $0.03/call via x402. Returns the most recent retail or wholesale prices for Korean agricultural commodities from the KAMIS (Korea Agro-Fisheries & Food Trade Corporation) dataset, paid via USDC on Base.
- [Korea KAMIS Regional Farm Price Lookup](https://www.zero.xyz/c/korea-kamis-regional-farm-price-lookup-ac689df8/llms.txt): $0.03/call via x402. Returns regional wholesale and retail farm produce prices (min/avg/max) by city from Korea's KAMIS official agricultural market information system.
- [Korea MOLIT Apartment Trade Summary (kr-apt-trade)](https://www.zero.xyz/c/korea-molit-apartment-trade-summary-kr-apt-trade-ac47cdea/llms.txt): $0.03/call via x402. Returns a summary of official Korea Ministry of Land apartment trade transaction records for a given district and month, sourced from data.go.kr.
- [x402 Korea AI Marketplace Listing](https://www.zero.xyz/c/x402-korea-ai-marketplace-listing-830b206c/llms.txt): $0.1/call via x402. Pay 0.10 USDC to list an x402-paid endpoint on the Jarvis Korea AI marketplace for 30 days

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)