The Best API Solution in Real Estate Tech Today
The Spark? API and our?RESO? Web API standardize MLS data while streamlining and automating the data licensing process for the MLS, empowering developers to create best-of-class apps and websites for brokers and agents.

Spark API
Future-Proof your MLS with the Industry’s breakthrough and leading RESO Web API. In addition to empowering third-party software innovation, the Spark API is the tech-backbone of Flexmls native mobile apps and the competitive edge for so many valuable Flexmls-unique functions.

Spark Datamart: Your Data Destination
The Spark Datamart completely automates the data licensing process, bringing MLS-created Data Plans (VOW, IDX, etc.), licensing terms, pricing, approvals, and usage tracking together in one secure, convenient online space.
The FBS Family of Products: Made with Love.
As powerful independently as they are bundled together, the FBS product suite (Flexmls Platform, Launch Dashboard, Spark? API, and Flexmls IDX) powers markets by enabling MLSs to beautifully showcase their value proposition while empowering real estate professionals with innovative software.
