{"uid":"cap_QvfML1Ccp5bH-2Mc5RCuX","slug":"datanexusai-changes-endpoint-41a2a2b6","name":"DataNexusAI Changes Endpoint","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/changes?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"},"metric":{"type":"string","example":"imports","description":"price|imports|exports|trade_balance."},"offset":{"type":"integer"},"country":{"type":"string","example":"BG","description":"Reporter country."},"dataset":{"type":"string","description":"If set, use agri-food price LAG path."},"date_to":{"type":"string","example":"2025","description":"End period."},"commodity":{"type":"string","example":"1001","description":"Product code or name."},"date_from":{"type":"string","example":"2020","description":"Start period."}}}},"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_axKlJb-c-HCmOuj0Hqh3s","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":"Retrieves time-series changes in EU agri-food trade and market metrics (imports, exports, trade balance, prices) filtered by country, commodity, date range, and dataset","exampleAgentPrompt":"Pull the EU agri-food import changes for Bulgaria (country code BG) on commodity 1001 from 2020 to 2025, limit to 50 results.","exampleUseCases":[{"title":"Tracking wheat import changes for Bulgaria","prompt":"Show me how Bulgaria's wheat imports have changed between 2020 and 2025 — use commodity code 1001 and limit results to 100 records."},{"title":"Monitoring EU trade balance shifts","prompt":"Get the trade balance changes for the EU agri-food dataset from 2022 to 2025 for commodity 'sugar', limited to 50 entries."},{"title":"Analyzing agricultural price trend changes","prompt":"Fetch price changes for commodity code 1001 in Bulgaria from 2021 to 2024, pulling from the agri-food price LAG dataset, up to 25 results."}],"resultDescription":"Returns a paginated list of change records for the requested trade or price metric, including values by time period, country, and commodity, filtered according to the query parameters provided.","failureModes":["Missing required 'input' object returns 400 validation error","Invalid metric value (not one of price/imports/exports/trade_balance) returns error","Unsupported country code returns empty result set or 404","Date range with no available data returns empty array","Payment failure or insufficient USDC balance returns 402 Payment Required","Offset beyond available records returns empty result set"],"whenToPreferThis":"Choose this endpoint when you need to retrieve changes in EU agri-food trade metrics — imports, exports, trade balance, or prices — filtered by country, commodity, and date range. It is best suited for time-series analysis of agricultural market data with pagination support, and accepts micropayments via x402 USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T03:58:43.073Z","isFirstParty":false,"canonicalSlug":"datanexusai-changes-endpoint-41a2a2b6"}