{"uid":"cap_qOFopeh9OZ7RYr59SVBhE","slug":"datanexusai-countries-list-5722635c","name":"DataNexusAI Countries List","description":"Public data API for SEBRA payments, PTP road accidents, Hearthstone cards, EU agri-food prices, and trade/market analytics. Paid data endpoints use x402 (USDC micropayments). Docs and discovery endpoints are free.\n\nMachine-readable discovery: `https://api.datanexusai.org/openapi.json`, `https://api.datanexusai.org/llms.txt`, `https://api.datanexusai.org/.well-known/x402`.\n\nHuman docs: `/docs` and `/api/`.","url":"https://api.datanexusai.org/api/v1/countries?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"integer"},"offset":{"type":"integer"},"dataset":{"type":"string","description":"Optional: countries present in that dataset."}}}},"additionalProperties":false}}},"responseSchema":null,"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_wLNnmKsfIbUKpwI_WfL8X","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 paginated list of countries available in the DataNexusAI datasets, optionally filtered by dataset name.","exampleAgentPrompt":"Can you pull the list of countries available in DataNexusAI's EU agri-food prices dataset? Show me the first 20.","exampleUseCases":[{"title":"Discover country coverage for trade data","prompt":"What countries are available in DataNexusAI's trade analytics dataset? Give me the first 30."},{"title":"Filter countries by road accident dataset","prompt":"Show me which countries have data in the PTP road accidents dataset on DataNexusAI — just the first page of results."},{"title":"Browse all available DataNexusAI countries","prompt":"List all the countries I can query through DataNexusAI, starting from the 50th entry and showing 25 at a time."}],"resultDescription":"A paginated list of country entries available across DataNexusAI datasets, with support for filtering by a specific dataset name. Includes country identifiers/names and pagination metadata (total count, offset, limit).","failureModes":["Invalid dataset name returns empty list or 404 error","Offset beyond total record count returns empty results","Missing or invalid USDC micropayment (x402) results in 402 Payment Required response","Rate limiting if too many requests are made in a short window","Malformed query parameters (e.g. non-integer limit) return 400 Bad Request"],"whenToPreferThis":"Use this endpoint when you need to discover which countries are available in DataNexusAI's various datasets before querying dataset-specific endpoints. Ideal for building dropdowns, filters, or validating country inputs prior to making paid data calls. Prefer this over hard-coding country lists when dataset coverage may vary.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:47:12.649Z","isFirstParty":false,"canonicalSlug":"datanexusai-countries-list-5722635c"}