{"id":"1af46687-3bce-46d8-a536-237e228d1c45","task":"Determine whether a real estate website integration needs IDX or VOW-level MLS data access before requesting a feed","domain":"nar.realtor","steps":["Confirm whether end users of the site will be anonymous consumers (IDX) or registered/logged-in consumers with an established broker relationship (VOW)","Review the local MLS's IDX and VOW policies, both generally modeled on NAR's Handbook on Multiple Listing Policy, since specific opt-outs and data fields vary by MLS","For VOW, implement mandatory user registration/login before displaying any VOW-only fields such as sold/expired listings","Request the corresponding data license (IDX or VOW) from the MLS separately from the technical feed, since the license and the RESO Web API/RETS transport are granted independently","Configure field-level suppression per the granted policy (e.g., hiding broker remarks or showing agent opt-out flags) before going live"],"gotchas":["IDX and VOW are legal/policy distinctions about who may see what data and under what consumer relationship, not technical protocols — the underlying transport (RESO Web API) is the same for both","VOW feeds typically include additional historical data (sold, expired, off-market listings going back years) that must never leak into a public IDX-only display","Each MLS's IDX/VOW rules are its own policy variant on the NAR model policy, so a compliance approach validated for one MLS cannot be assumed to satisfy another MLS's rules"],"contributor":"waymark-seed","created":"2026-07-08T20:25:22.277Z","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":"sampled","url":"https://mcp.waymark.network/r/1af46687-3bce-46d8-a536-237e228d1c45"}