MOS API Platform

MOS API access for cleaner loan files, fewer touches, and lower cost per loan

Automate document intake, validation, condition handling, underwriting preparation, and post-close review across the mortgage lifecycle.

Request Access Explore workflows →
90%+
Straight-Through Processing
<3 min
From Docs to Income Analysis
1M+
Loans Processed Annually
Workflows

Choose your workflow

Processing, Closing & Post-Close

Automate condition matching, closing package review, and post-close validation via the singular MOS API.

Learn more → Integration guide
Why MOS

The work people should not have to do

Without MOS
  • Manual document prep, re-keying, re-checking
  • Condition tracking across handoffs
  • Late data quality issues at underwriting
  • Post-close rework and audit defects
MOS Handles
  • Intake, extraction, and cross-checks
  • Condition matching and exception routing
  • Post-close package review and validation
  • Audit outputs and delivery status
API-driven · Real-time · Auditable
Result
↓ Cost per loan
↑ File quality, earlier in the process
↑ Underwriting and closing speed
↓ Handoffs and defects
Integration Fit

How MOS fits your stack

Data In
  • Borrower documents
  • Closing packages
  • LOS exports
  • Workflow events
MOS API
  • Classification & extraction
  • Validation & cross-checks
  • Condition matching
  • Post-close audit checks
OpenAPIWebhooksPostman
Data Out
  • Structured loan data
  • Exceptions & conditions
  • Workflow status
  • LOS writeback

Start with a workflow integration guide, then use the shared MOS API reference to check endpoints and payloads. You can share this overview with your integration team.

Explore integration guides

API Docs require sign-in. Request access if you need a portal account. API requests and Try It Out require approved access and credentials for your assigned environment.

Guides and resources

The resource library includes authentication and integration guidance. Some resources require sign-in and granted portal access; if prompted, sign in with your portal account.

Open resource library
Access Model

How access works

A typical path from evaluation to production. Portal registration and API access are separate steps.

  1. 01
    Explore
    Public workflow pages and docs overview
  2. 02
    Request
    Discuss workflow fit and request API access
  3. 03
    UAT Sandbox
    Qualified prospects evaluate approved workflows before contract signature
  4. 04
    Implement
    Use approved credentials, integration resources, and onboarding
  5. 05
    Production
    Commercial approval and production environment mapping

Trusted by leading lenders

First Continental Mortgage Arvest Arch MI HomeLend Mortgage VIP Mortgage Fairway MGIC National MI Candor TAVANT
Get Started

See how MOS fits your workflow

Speak with TRUE about fit, volume, and implementation.

Request Access Integration overview for your developer →