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agentdatum.com d country-data
https://agentdatum.com/api/v1/d/country-data
answers 402
国家基础数据 — 单国基础档案查询（传 country 参数，支持中/英文名、ISO alpha-2/alpha-3）：中英文国名、首都、大洲与次区域、人口、面积、ISO三码、货币、语言、国际区号、陆地邻国、是否内陆国、经纬度、时区、联合国成员身份。数据源 mledoze/countries 开源权威数据集，人口经 World Bank/IMF 双通道补全。
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0xCd265870A20DB25250535cb8a0D3BB0850417902
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 153 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:35:32.764Z (2h ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagentdatum.com%2Fapi%2Fv1%2Fd%2Fcountry-data"