How to measure MLS listing freshness
A practical way to measure listing lag, resume an interrupted feed, and remove records that leave an approved dataset.
Developers
Query normalized MLS data through a common API. Start with account permissions, inspect the records, and connect them to your application.
Follow the API reference for authentication, supported queries, and response fields.
Step 1
Authenticate, then inspect account settings and permissions before choosing the sources for your first query.
Account resources →Step 2
Use the Property resource to filter listings and select the fields your application needs. Review media and source details alongside each record.
Property API reference →Step 3
Review MLS profiles for disclaimers and basic compliance elements, then test the listing page against the applicable source rules.
MLS profiles reference →Work through source fields, delayed updates, and the checks to run before launch.
A practical way to measure listing lag, resume an interrupted feed, and remove records that leave an approved dataset.
A focused checklist for listing identity, local fields, media, lifecycle changes, and public display.
See how RESO resources, fields, and lookups help a product map MLS records without hiding local differences.