API Toolkit 1.1

The MISMO API (application programming interface) Toolkit 1.1 was released as FINAL in February of 2023.

Several key updates were made to the toolkit so that it can continue to help facilitate rapid development of new products and applications across the mortgage industry. Version 1.1 of the MISMO API Toolkit includes:

o Added additional detail to cover the hierarchy flattening rules

o Expanded the Cardinality Rule section

o Added guidance on using custom data type

Access Information for Members

MISMO Members can access the work product in the Resource Library housed on MISMO's Collaboration Site, "MISMO Connect" here.

Access Information for Non-Members

Non-Members can access the work product here.


MISMO Disclaimer

Pardon our Dust!

MISMO is conducting scheduled web maintenance on Monday, May 29th. During this time, users may experience brief service disruptions to both MISMO.org and MISMO Connect while we update our systems. Thank you for your patience and for visiting MISMO.org! OK