API Toolkit

The MISMO API (application programming interface) Toolkit, which is available to MISMO Members, will help facilitate rapid development of new products and applications across the mortgage industry.  

The API Toolkit includes the following resources:  

  • MISMO Engineering Guidelines for producing the OpenAPI objects out of the Logical Data Model;
  • The OpenAPI objects themselves;
  • An Implementation Guide explaining how the objects are constructed and how to use them; and,
  • Sample API specifications for MI Rate Quote and Credit Request.

This toolkit builds upon MISMO's JSON initiative to develop standards for consumer transactions. JSON is a lightweight language for structuring data that is frequently used to exchange information through APIs and mobile platforms. With this expanded effort, MISMO hopes to create consistency within the growing number of transactions taking place in JSON format.  

Release and use of MISMO standards and other resources are governed by the MISMO Intellectual Property Rights Policy.

For more information on the policy, click here.

Access Information:

MISMO Members can access the API Toolkit in the Resource Library housed on MISMO's Collaboration Site, "MISMO Connect" here

For additional information, contact us at info@mismo.org.

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