{"uid":"cap_St1jvP2u2dtUIWN_-QIGr","slug":"chicago-building-violations-lookup-cb59d2e1","name":"Chicago Building Violations Lookup","description":"Chicago building violations address check: open DOB code cases for a street address. Property due diligence agent for Chicago Illinois housing compliance open data. GET ?address= → recent building violations with codes, status, inspector comments (JSON). Tenant screening, landlord diligence, lending. Note: citywide rental-license registry is not a single open feed.","url":"https://x402-mcp.onrender.com/us/chi/property-check","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":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_9QcO_2qLAdXD-FHggpyUU","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":"Queries the City of Chicago open data portal for active DOB building code violations at a given street address, returning violation codes, status, and inspector comments.","exampleAgentPrompt":"Can you check if 2345 N Milwaukee Ave Chicago has any open building code violations on file with the city?","exampleUseCases":[{"title":"Tenant pre-move-in compliance check","prompt":"Before I sign this lease, can you check whether 1847 W Addison St Chicago has any open building violations or code enforcement issues I should know about?"},{"title":"Landlord portfolio due diligence","prompt":"I'm considering buying a rental building at 3201 S Halsted St in Chicago — pull up any open DOB building violations on that address for me."},{"title":"Lender property underwriting check","prompt":"We're processing a loan for a property at 5612 N Clark St Chicago — can you look up whether there are any outstanding building code violations on record before we finalize?"}],"resultDescription":"A JSON response from Chicago's open data system listing any active Department of Buildings violations at the queried address, including violation codes, current status (open/closed), inspector remarks, and relevant dates.","failureModes":["Address not found or not parseable — returns empty results or error","Address outside Chicago city limits — no data returned","City of Chicago open data API temporarily unavailable — request timeout or 503","Ambiguous or misspelled address — may return no results or wrong property","No violations on record — returns empty violations array (not an error)"],"whenToPreferThis":"Use this endpoint when you need real-time Chicago Department of Buildings violation data for a specific address — particularly for tenant screening, landlord due diligence, or lender underwriting workflows. Prefer this over manual city portal lookups when automating property checks at scale. Note: this does not return rental license registry data, which Chicago does not publish as a single open feed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:35:27.115Z","isFirstParty":false}