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.


Social Media Reviews API

This API Service allows Lenders to retrieve social media and third-party reviews for an organization and/or individual related to an organization. All company, branch, and individual reviews are available.

Please Note: Zillow reviews are not included and can be obtained directly from Zillow using your Zillow Partner ID.

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 utilizing Comergence third party origination platform, to retrieve required data related to ongoing* relationships for their counterparties.


Customer Contacts Data API

This API Service allows investors utilizing the Comergence third party origination platform, to retrieve required data related to contacts for account they have an active relationship with.


Compliance Questionnaire API

This API Service allows investors utilizing the Comergence third party origination platform, to retrieve required data related to questionnaires for account they have an active relationship with.


Prospects Marketing API

This API Service allows investors utilizing the Comergence Investor Prospect Marketing platform, to retrieve required data related to active prospects.