# FaultKey

**Canonical:** https://apis.io/providers/faultkey-com/  
**Website:** https://faultkey.com/  
**APIs profiled:** 0

FaultKey provides deterministic, signed, Bitcoin‑anchored CausalCertificateV1 receipts that attribute AI‑incident liability among vendor, deployer, and user. The platform offers a free MCP demo and paid tiers with ed25519 signatures and portfolio analysis, targeting AI insurers, regulated firms, and enterprises seeking transparent AI liability attribution.

## Kin Score — 11.4 / 100 (emerging)

Scored 2026-11-13 under rubric 0.28.0.

| Facet | Score |
|---|---|
| Discoverability | 48.2 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 9.5 |
| Developer Ergonomics | 21.4 |
| Access Clarity | 8.5 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 10.9 (matched via fallback).

## 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 |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

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

## Security (2)

- **FaultKey Domain Security** — TLSv1.3 · HSTS · DMARC
- **FaultKey Vulnerability Disclosure** — security.txt · contact published

## Tags

Artificial Intelligence, Liability, Governance, Bitcoin, MCP

---

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