Data Guides
How to request MLS data for a software product
Start with the product, the brokerage participant, and the markets; then make an MLS request that can be reviewed and tested.
Resources
Guides for building with property data
Explore MLS access, API integration, and the work behind real estate data products.
Data Guides
Data Guides
MLS approvals overview
What to expect for IDX, VOW, and BBO approvals and timelines.
Data Guides
Build your MLS integrations or use a data provider?
Compare the recurring work behind direct connections and a managed API using the markets and features your product needs.
Data Guides
IDX vs VOW vs BBO — Explained
How public (IDX), gated (VOW), and back-office (BBO) data feeds differ—and how to pick the right model for your product.
Data Guides
Is there one national MLS feed?
Understand what a common API can deliver across MLSs and how to check the markets and uses behind a national claim.
Data Guides
What an MLS reviews before approving a vendor
A practical look at application forms, broker signatures, product review, and the records to keep after approval.
Developer Guides
Developer Guides
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.
Developer Guides
An MLS data quality checklist for your application
A focused checklist for listing identity, local fields, media, lifecycle changes, and public display.
Developer Guides
Using the RESO Data Dictionary in an MLS integration
See how RESO resources, fields, and lookups help a product map MLS records without hiding local differences.
Stories and news
Partner Stories
Pacaso and AnyProp — MLS data for a co-ownership marketplace
Pacaso’s public listing guidance and its AnyProp announcement show the data work behind a national co-ownership marketplace.
MLS Notes
Introducing the AnyProp MLS Directory
Find MLS organizations in the United States and Canada, with individual profiles and links to their websites.
Industry Perspectives
The local decisions behind a national listing search
Published MLS policies show how data use, broker distribution, and local fields affect a national product.
