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

Loan Setup & Data Quality

Turn uploads into clean, auditable, decision-ready files before downstream work begins.

Learn more → View docs

Underwriting Automation

Decision-ready borrower income and asset data with transparent exceptions and audit metadata.

Learn more → View docs

Processing, Closing & Post-Close

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

Learn more → View docs
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
See integration model
Access Model

How access works

  1. 01
    Explore
    Public workflow pages and docs overview
  2. 02
    Request
    Submit buyer or partner access request
  3. 3
    03
    UAT Sandbox
    Evaluate workflows before contract signature
    You are here
  4. 4
    04
    Implement
    API docs, OpenAPI/Postman, and onboarding
  5. 5
    05
    Production
    Contracted access, SLA, security, support

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 Send this to your developer →