The RESO Web API Transition Guide is a roadmap for transitioning MLSs from the unsupported Real Estate Transaction Standard (RETS) to a certified RESO Web API service. This transition requires significant planning and communication, and the guide provides a path forward with advice from RESO and MLS organizations that have already converted their customers to Web API It is a best practices guide that covers preparation, communication, scheduling and execution based upon the experiences of MLS industry leaders.
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