{"uid":"cap_rT5F8JrkUVUnDYdDaiU6l","slug":"govlaws-changes-484a7fa4","name":"GovLaws Recent Regulatory Changes (MPP)","description":"Recent Federal Register change events filtered by agency, citation, or lookback","url":"https://govlaws.ai/api/mpp/changes?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"days":{"type":"integer","default":30,"maximum":90,"minimum":1},"agency":{"type":"string"},"citation":{"type":"string"}}},"responseSchema":{"type":"object","required":["changes","period","total"],"properties":{"total":{"type":"integer"},"period":{"type":"object","required":["from","to"],"properties":{"to":{"type":"string"},"from":{"type":"string"}}},"changes":{"type":"array","items":{"type":"object","required":["citation","title","change_type","effective_date","detected_at"],"properties":{"title":{"type":"string"},"citation":{"type":"string"},"change_type":{"type":"string"},"detected_at":{"type":"string"},"effective_date":{"type":"string"}}}}}},"example":{"request":{"days":14,"agency":"EPA"},"response":{"_truncated":true,"_originalSize":96696}},"exampleRequest":{"days":14,"agency":"EPA"},"tags":["legal","regulatory","government","citations","compliance","federal","data","search"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.03/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sbLsu8bJyUPaPXxGvQVEZ","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x20c000000000000000000000b9537d11c60e8b50","unit":"request","depositMicros":null,"planRef":null}],"brandName":"GovLaws","brandSlug":"govlaws","brandBaseUrl":"https://govlaws.ai","brandDocsUrl":"https://govlaws.ai/mpp","whatItDoes":"Returns recent U.S. federal regulatory changes filtered by agency and/or citation, paid per-request via Machine Payment Protocol with no API key required.","exampleAgentPrompt":"What EPA regulations have changed in the last 14 days? Pull the recent federal regulatory changes for the EPA going back 14 days.","exampleUseCases":null,"resultDescription":"A list of recent U.S. federal regulatory changes matching the specified filters, including agency information, citation references, and change details, sourced from official government records. Response may be large (example shows ~96KB original size).","failureModes":["Payment not completed — MPP flow not initiated or insufficient funds, request rejected","Invalid agency name — returns empty or error if agency string does not match known federal agencies","days parameter out of range — must be between 1 and 90, otherwise validation error","No changes found for the given filters — returns empty result set","Network timeout for large result sets"],"whenToPreferThis":"Use this endpoint when you need recent U.S. federal regulatory changes and do not have or want to manage a GovLaws API key — the MPP pay-per-call model ($0.03 USDC) is ideal for low-frequency or automated agent workflows. Prefer this over the authenticated /api/changes endpoint when operating in keyless agent environments. Use the agency and citation filters to narrow results and reduce response payload size.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:35:13.462Z","isFirstParty":false,"canonicalSlug":"govlaws-changes-484a7fa4"}