{"uid":"cap_HanH6yAet2g1dobWvIyNV","slug":"adh-countries-master-iso-country-reference-data-cd0cf0f5","name":"ADH Countries Master — ISO Country Reference Data","description":"ADH 金融情报层：把 239 个原始数据源洗成带实体解析、时间同步、溯源与派生结论的情报（宏观regime / 加密尽调 / 事件窗口），免费注入你的 AI 上下文。Agent 走 x402 结算，人类订阅（PayPal）即将上线。","url":"https://agentdatum.com/api/v1/d/countries-master?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"raw":{"data":[{"tld":".aw","cca2":"AW","cca3":"ABW","name":"Aruba","latlng":[12.5,12.5],"region":"Americas","borders":[],"capital":"Oranjestad","area_km2":180,"unMember":false,"languages":["Dutch","Dutch"],"subregion":"Caribbean","currencies":["AWG"],"landlocked":false,"official_name":"Aruba"},{"tld":".aw","cca2":"AW","cca3":"ABW","name":"Aruba","latlng":[12.5,12.5],"region":"Americas","borders":[],"capital":"Oranjestad","area_km2":180,"unMember":false,"languages":["Dutch","Dutch"],"subregion":"Caribbean","currencies":["AWG"],"landlocked":false,"official_name":"Aruba"}],"countries":250},"note":"Replaces the deprecated restcountries v3.1 API; ISO codes, currencies, borders, geo.","source":"mledoze/countries","data_type":"地理","collected_at":"2026-08-09T18:40:48Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vkb_Eq4ZYlOpxSxIsoD35","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a master list of all ~250 countries with ISO codes, currencies, borders, geography, languages, and UN membership status","exampleAgentPrompt":"Pull the full countries master list — I need ISO alpha-2 and alpha-3 codes, capital cities, currencies, borders, and languages for all 250 countries so I can populate our reference database.","exampleUseCases":[{"title":"Populating a country selector dropdown","prompt":"Fetch all countries with their ISO codes, official names, and TLDs so I can build a country picker for our signup form."},{"title":"Currency-to-country mapping for fintech app","prompt":"Get the master country list so I can map every ISO alpha-3 country code to its currency or currencies for our payment routing logic."},{"title":"Validating geopolitical border data","prompt":"Pull the complete countries dataset including border arrays and region/subregion fields — I want to cross-check which countries share borders with each other for a geopolitical analysis."}],"resultDescription":"A JSON object containing an array of ~250 country records, each with fields: tld, cca2, cca3, name, official_name, latlng, region, subregion, borders (array of neighboring country codes), capital, area_km2, unMember (boolean), languages (array), currencies (array), landlocked (boolean). Also includes a top-level count field and source/collection metadata. Sourced from mledoze/countries and positioned as a drop-in replacement for the deprecated restcountries v3.1 API.","failureModes":["Payment failure (402): x402 micropayment not settled — agent must complete USDC payment flow before data is returned","Rate limiting or quota exceeded if called in rapid succession","Stale data: collected_at timestamp may lag real-world geopolitical changes (e.g. newly recognized states)","Empty or partial response if upstream dataset source is unavailable"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, all-in-one country reference dataset with ISO codes, currencies, borders, languages, and geo-coordinates in a single call. It is a direct replacement for the deprecated restcountries v3.1 API and suits agents that pay per-call via x402 USDC micropayments rather than maintaining an API subscription. Prefer it over building your own scraper or maintaining a static CSV when freshness and entity resolution matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T18:41:30.161Z","isFirstParty":false,"canonicalSlug":"adh-countries-master-iso-country-reference-data-cd0cf0f5"}