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RESO FAQ

Web API

The RESO Web API specification provides an open standard for web-based API (Application Programming Interface) access to real estate data using the common REpresentational State Transfer (RESTful) approach. RESO’s move toward a RESTful standard is meant to facilitate and encourage access to real estate information directly from web, mobile, social and other web-based applications.

DLU December 9th, 2020
Category: Web API

OData (Open Data Protocol) is essentially a system of rules for interacting with data via RESTful web services. It supports the description of data models and the editing and querying of data according to those models. The RESO Web API uses OData as its underlying protocol which serves as a set of fundamental building blocks.

DLU October 12th, 2020
Category: Web API

Compatible RESO OData Transport client and server applications MUST be implemented according to the OData V4 standard specification.

DLU October 12th, 2020
Category: Web API

RETS is an older standard that is proprietary to the real estate industry. It has been deprecated (no longer supported) because the industry is moving to a more well-known technology standard. RETS created great value for 20 years, and it is still in use, but the conversion to Web API is underway.

DLU December 9th, 2020
Category: Web API

There is no RESO-supported WordPress plug-in for Web API. Contact your developer.

DLU October 12th, 2020
Category: Web API

RESO does not provide MLS real estate data. RESO creates the standard for the data, and other organizations build technology based upon it. Brokers and technology companies should go directly to MLSs to request data via the Web API. MLSs owned and operated by REALTOR® associations are required by the National Association of REALTORS® to have production-level access available to their data via Web API.

DLU October 12th, 2020
Category: Web API

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DLU December 9th, 2020
Category: Web API

Access to data from the Web API come from local MLSs. After agreeing to an MLS’s data use and licensing policies, data recipients work directly with that MLS’s software provider or technical staff to receive credentials and instructions on how to access that MLS’s data.

DLU December 9th, 2020
Category: Web API

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DLU October 12th, 2020