Optimal Blue provides APIs to assist customers with developing highly integrated and efficient  systems to accelerate the organization’s business performance. Visit Optimal Blue's Digital Marketplace by clicking HERE to register and access all API documentation. For more information please contact Optimal Blue Sales.


Post Review API

This API allows borrower reviews to be posted to your Social Media publisher platform. Any review platform can connect to this API free of charge to amplify your brand reputation.


NMLS Verification API

This API Service Allows Customers to retrieve NMLS data for a given NMLS ID per request. You can retrieve information such as licenses, branches, sponsorship, locations; for any NMLS ID.


Historical Production API

This API allows Customer to retrieve an HTML report to view Historical Loan Production for a given client.


FHA Neighborhood Watch API

This API allows Customers to retrieve a HTML report to view Neighborhood watch data for a given client.


Counterparty Oversight API

This API Service allows investors on the Optimal Counterparty Oversight platform, to retrieve customer data for their third party originators.


Customer Contacts Data API

This API Service allows investors utilizing the Optimal Counterparty Oversight platform, to retrieve contacts for customer third party originators.


Compliance Questionnaire API

This API Service allows investors utilizing the Optimal Counterparty Oversight platform, to retrieve customer questionnaires.