Overview
A buyer fills in a proposal request, and a regulatory check says whether a lender can process it under current US rules: Fannie Mae’s eligibility matrix, the 2026 FHFA and FHA limits, FHA, VA and USDA rules and DTI limits, executed as a decision model on aityx.
Preview
A recording of Mortgage Hub

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Steps
- Fill in the proposal request on the welcome page.
- Send it: the app posts the decision model and the proposal’s figures to aityx, never the buyer’s name, email or phone.
- Read the regulatory check: whether a lender can process the proposal under current US rules.
Highlights
- 01
Eligibility check
Whether a lender can process the proposal under Fannie Mae’s eligibility matrix.
- 02
Loan limits
The proposal’s amount against the 2026 FHFA and FHA limits.
- 03
Government programs
The FHA, VA and USDA rules the proposal has to meet.
- 04
Debt-to-income limits
The buyer’s DTI against the limits that apply to the loan.