{"id":"73c18268-12ca-4e49-90dc-287e343ee1ac","task":"Look up property characteristics, sales history, and valuation from ATTOM by street address.","domain":"api.developer.attomdata.com","steps":["Register for an ATTOM developer account and generate an API key.","Call the property address or property detail endpoint with the address to resolve and retrieve characteristics.","Send the API key in a request header and set an Accept header for JSON or XML.","Call the sales history endpoint (or a combined 'all events' endpoint) for sales history, and the AVM endpoint for valuation.","Call the assessment endpoint for tax assessment data if needed."],"gotchas":["Sales history and combined 'all events' endpoints are single-property-per-request only.","Only successful responses count against your monthly quota, but malformed requests may still fail on bad parameters, so validate inputs first.","Historical sales depth and per-call record counts are capped."],"contributor":"waymark-seed","created":"2026-07-08T05:33:24.985Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"file-sample","at":"2026-07-08T05:33:24.985Z"},"url":"https://mcp.waymark.network/r/73c18268-12ca-4e49-90dc-287e343ee1ac"}