# MITEY U.S. mortgage decision workspace

Educational calculations and source-linked guidance. A calculation is not a credit approval. National PMMS benchmarks are not city lender offers. Preserve observation dates and limitations.

- [Universal studio](https://austininterestrates.com/studio): 41 transparent methods.
- [API specification](https://austininterestrates.com/api/openapi.json)
- [MCP documentation](https://austininterestrates.com/developers)
- [Dated benchmarks](https://austininterestrates.com/api/v1/rates)
- [Reviewed calculator handoffs](https://austininterestrates.com/api/v1/plan-transitions): explicit numerical field mappings; remaining examples require review.
- [Portal profiles](https://austininterestrates.com/api/v1/portals)
- Local plans: GET https://austininterestrates.com/api/v1/portals/{domain}/local-plan. Preserve unresolved geography and source-check dates. Optional state selects reference material, not jurisdiction or a rate.
- [Researched city guides](https://austininterestrates.com/api/v1/market-guides): dated coverage and complete guide retrieval.
- [Mortgage guides](https://austininterestrates.com/guides)

This discovery file does not confer indexing, ranking or AI visibility. This deployment remains a working review.