# Mantle

**Canonical:** https://apis.io/providers/mantle/  
**Website:** https://withmantle.com/  
**APIs profiled:** 0

Mantle is an AI-powered data platform for alternative assets management, positioning itself as "alternative assets data, structured for the agentic era." It offers two products: Mantle Equity, a cap table management platform for founders and CFOs covering fundraising, SAFEs, stock options, 409A valuations, and QSBS attestation; and Mantle Portal, a portfolio management and insights product for institutional investors such as endowments and family offices. Mantle converts fragmented documents into structured, trustworthy data and layers AI workflows on top. The company is SOC 2 Type II compliant and is backed by Sierra Ventures. As of this enrichment pass no public developer API or API documentation was found; the product is delivered as a hosted SaaS application with an end-user help center.

## Kin Score — 18.4 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 18.4).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 16.7 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

## 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 |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

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

## Tags

Company, Artificial Intelligence, Cap Table, Equity Management, Portfolio-Management, Alternative Assets, Fintech, Software-as-a-Service, 409A Valuation

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