# Metal Sentinel

**Canonical:** https://apis.io/providers/metal-sentinel/  
**Website:** https://metal-sentinel.com  
**APIs profiled:** 1

Metal Sentinel provides a fast REST API delivering free real-time and historical precious metal prices, including gold, silver, platinum, palladium, rhodium, copper, nickel, aluminum, lead and zinc across 180+ currencies, plus crypto, forex and mining stock quotes. The service offers tiered plans via RapidAPI and includes market news.

## Kin Score — 38.2 / 100 (thin)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 62.2 |
| Contract Governance | 22.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 11.9 |
| Access Clarity | 52.6 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 18.6 (matched via fallback).

## Agent readiness — 24.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | verified |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | yes |
| 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 | no |
| Operation Distinctiveness | distinct |

## APIs (2)

- **Metal Sentinel API** — Real-time and historical precious metal prices, crypto, forex and mining stock data.
- **Metal Sentinel API API** — Live spot quotes for ten metals refreshed every 15 seconds, daily historical series, gold karat and silver fineness prices, crypto and forex quotes, market status and mining equ...

## Security (1)

- **Metal Sentinel Domain Security** — TLSv1.3

## Plans (1)

- **Metal Sentinel Plans Pricing**

## Tags

Company, Financial Data, Metals, API, Real-time

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