# MetaMask

**Canonical:** https://apis.io/providers/metamask/  
**Website:** https://metamask.io  
**APIs profiled:** 1

MetaMask is a leading self‑custodial cryptocurrency wallet and Web3 gateway. It enables users to manage crypto assets, interact with decentralized applications, and access a suite of developer tools such as SDKs, embedded wallets, smart accounts, and Snaps. The platform supports multiple blockchains including Ethereum, Solana, and Bitcoin, offering features like token swaps, perps trading, and on‑chain governance.

## Kin Score — 23.5 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0. Trend: falling (-9.4 from 32.9).

| Facet | Score |
|---|---|
| Discoverability | 65.2 |
| Contract Quality | 9.4 |
| Contract Governance | 18.2 |
| Operational Transparency | 15.8 |
| Developer Ergonomics | 41.7 |
| Access Clarity | 10.5 |

Regulatory layer — **Payments**: 24.1 (matched via tags).

## Agent readiness — 28.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | served |
| 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 | served |
| Protected Resource Metadata | no |
| Dynamic Client Registration | yes |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

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

## APIs (1)

- **MetaMask Token API** — The Token API from MetaMask — 1 operation(s) for token.

## Security (2)

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

## Tags

Company, Cryptocurrency, Wallets, Web3, Developer Tools

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