# Unison

**Canonical:** https://apis.io/providers/unison/  
**Website:** https://www.unison.com/  
**APIs profiled:** 0

Unison (Unison Home Ownership Investors, headquartered in San Francisco with a second office in Omaha, and formerly FirstREX) is a residential home-equity investment manager that pioneered the equity sharing agreement and institutionalized the Home Equity Investment (HEI) asset class. Its consumer products are the Equity Sharing Agreement — up to roughly $500,000 in cash with no monthly payments and no interest, in exchange for a share of the home's future change in value over a 30-year term — and the Equity Sharing Home Loan, a fixed below-market-rate, interest-only mortgage. Unison securitizes its agreements and sells them to institutional investors, including a $300 million equity sharing home loan purchase partnership with Carlyle. It reaches homeowners through www.unison.com and services existing agreements through the MyUnison portal at my.unison.com. Unison publishes no public developer program, no API reference, no SDKs and no machine-readable contract of any kind; the only agent-facing artifact it serves is an llms.txt at the site root.

## Kin Score — 11.3 / 100 (emerging)

Scored 2026-09-02 under rubric 0.18.0.

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 7.1 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Security (1)

- **Unison Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Financial Services, Fintech, Real Estate, Home Equity, Mortgage, Consumer Finance, Investment Management

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/unison/). Scores are computed from the provider's own public artifacts under a published rubric.