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Please send corrections and notices of errors to Paul Stusiak (pstusiak@falcontechnologies.com).
There are two currently active branches of RETS - the Web Services RETS2 branch and the HTTP RETS 1.x branch.
RETS 2:
Resources and Payloads Document - links and descriptions of schemas, payloads and metadata, and best practices.
RETS 1.7:
RETS 1.5:
RETS 1.X Standard Names Data Dictionary for the RETML DTD: Provides data definitions, type information and StandardNames (well-known names) for RETS data interchange.
Incorporated Standards: RETS is based on and incorporates a number of other standards. These standards documents should be consulted when implementing a RETS-compliant system.
RETS 2:
Web Services RETS2 uses existing Web Services (WS-*) standards. These are maintained by the W3C and OASIS. The Web Services standards used by RETS2 include:
XML (Extensible Markup Language): XML is the backbone of RETS2 and much of Web Services. XML standards in RETS2 include: Internet Standards: RETS2 incorporates existing Internet standards. These are maintained by the Internet Engineering Task Force. The internet standards in RETS2 include:
Dates: Dates transmitted as RETS2 data are required to use ISO 8601. |
RETS 1.7 and RETS 1.5
Internet Standards RETS relies heavily on existing Internet standards. These are maintained by the Internet Engineering Task Force. The Internet standards in RETS include:
Extensible Markup Language XML 1.0 W3C's XML web site contans the XML language specification as well as a large collection of white papers and tutorials. HTML RETS relies on the HTML 4.01 Forms specification. Dates Dates transmitted as RETS data are required to use ISO 8601. |
W3C's web site also contains open source code that may be used to implement parts of a RETS-compliant system. This includes code to exchange HTTP and to parse HTML. See the license information on the web site for W3C's terms of use for these libraries.