{"uid":"cap_DjXOnbtqsyjjdnOon2XxB","slug":"public-dataset-change-tracker-b8216fd4","name":"Public Dataset Change Tracker","description":"Track changes in public JSON, CSV, XML or text datasets with deterministic normalization and hashes.","url":"https://9dmb38pvlp8dr1d3rtfjpe934o.ingress.h4i-dedicated.eu-sw-2.digitalfrontier.so/api/seller/v4/public-data/dataset-change","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_yzcSHsF6MG27l8Zr_Gwny","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects and reports changes in public JSON, CSV, XML, or text datasets using deterministic normalization and cryptographic hashes.","exampleAgentPrompt":"Check if this public JSON dataset at https://data.example.gov/api/population.json has changed since my last snapshot, and give me a normalized diff with hashes showing exactly what rows were added, removed, or modified.","exampleUseCases":[{"title":"Government data change alert","prompt":"Monitor this public CSV at https://opendata.cityofchicago.org/permits.csv and tell me if any rows have been added or removed compared to yesterday's snapshot — include the before/after diff and a hash."},{"title":"Financial data integrity check","prompt":"Has this public JSON feed at https://api.fiscaldata.treasury.gov/services/api/v1/debt changed at all? Run a normalized comparison and give me the cryptographic hash of the current state so I can verify integrity."},{"title":"Open data pipeline freshness check","prompt":"I need to know if this XML dataset at https://registry.data.gov/harvest/source.xml has been updated — compare it to my previous baseline and show me exactly what records changed with normalized before/after evidence."}],"resultDescription":"Returns a structured change report including a deterministic hash of the current dataset, normalized before/after evidence of any changed fields or records, a diff summary highlighting additions/removals/modifications, and a timestamp of when the check was performed.","failureModes":["URL not publicly accessible — returns error indicating unreachable source","Unsupported data format — returns error if content type cannot be parsed","Dataset too large — may return timeout or size-limit error","Network or upstream source error — returns fetch failure with status details","Malformed data — normalization may fail if source is corrupt or inconsistent"],"whenToPreferThis":"Choose this endpoint when you need structured, deterministic change detection on public JSON, CSV, XML, or text datasets — especially when you need cryptographic hashes for integrity verification or normalized diffs for reliable comparison across schema variations. Prefer it over generic web-page change detectors when the source is structured data rather than HTML prose.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:36:31.998Z","isFirstParty":false}