Metals.Dev website screenshot

Metals.Dev

Metals.Dev provides a developer-friendly JSON API for spot prices of precious metals, industrial metals, and currency conversion rates. It offers real-time prices from leading authorities including LBMA, LME, MCX, and IBJA, plus 5+ years of historical data.

Metals.Dev publishes 5 APIs on the APIs.io network, including Account API, Authority API, Currency API, and 2 more. Tagged areas include Financial Data, Gold, Precious Metals, Silver, and Spot Prices.

Metals.Dev’s developer surface includes authentication, developer portal, pricing, signup flow, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
43.1/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
5 APIs
Financial DataGoldPrecious MetalsSilverSpot Prices

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 43.1/100 · developing
Contract Quality 14.9 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 6.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/metals-dev: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 5

Individual APIs this provider publishes, each with its own machine-readable definition.

Metals.Dev Account API

Usage and quota information.

Metals.Dev Authority API

Authority pricing from LBMA, LME, MCX, and IBJA.

Metals.Dev Currency API

Currency rates and conversions.

Metals.Dev Rates API

Latest and historical metal and currency rates.

Metals.Dev Spot Prices API

Spot pricing for individual metals.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Metals.Dev API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Metals Dev Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Metals Dev Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Metals Dev Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Metals Dev Authentication

apiKey · 1 scheme

SECURITY

Metals Dev Domain Security

TLSv1.3 · HSTS

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Metals Dev Agentic Access

6 operations

6 operations · 0 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Portal
Portal
 Signup
Signup

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

StatusPage
StatusPage

Commercial 1

Pricing, plans, and the legal terms of use

Pricing
Pricing

Source (apis.yml)

apis.yml Raw ↑ 
aid: metals-dev
name: Metals.Dev
description: Metals.Dev provides a developer-friendly JSON API for spot prices of precious metals, industrial metals, and
  currency conversion rates. It offers real-time prices from leading authorities including LBMA, LME, MCX, and IBJA, plus
  5+ years of historical data.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/metals-dev.png
tags:
- Financial Data
- Gold
- Precious Metals
- Silver
- Spot Prices
url: https://raw.githubusercontent.com/api-evangelist/metals-dev/refs/heads/main/apis.yml
created: '2025-03-01'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: metals-dev:metals-dev-account-api
  name: Metals.Dev Account API
  description: Usage and quota information.
  humanURL: https://metals.dev/docs
  baseURL: https://api.metals.dev/v1
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/metals-dev-account-api-openapi.yml
  - type: Documentation
    url: https://metals.dev/docs
  - type: GettingStarted
    url: https://metals.dev/docs#getting-started
- aid: metals-dev:metals-dev-authority-api
  name: Metals.Dev Authority API
  description: Authority pricing from LBMA, LME, MCX, and IBJA.
  humanURL: https://metals.dev/docs
  baseURL: https://api.metals.dev/v1
  tags:
  - Authority
  properties:
  - type: OpenAPI
    url: openapi/metals-dev-authority-api-openapi.yml
  - type: Documentation
    url: https://metals.dev/docs
  - type: GettingStarted
    url: https://metals.dev/docs#getting-started
- aid: metals-dev:metals-dev-currency-api
  name: Metals.Dev Currency API
  description: Currency rates and conversions.
  humanURL: https://metals.dev/docs
  baseURL: https://api.metals.dev/v1
  tags:
  - Currency
  properties:
  - type: OpenAPI
    url: openapi/metals-dev-currency-api-openapi.yml
  - type: Documentation
    url: https://metals.dev/docs
  - type: GettingStarted
    url: https://metals.dev/docs#getting-started
- aid: metals-dev:metals-dev-rates-api
  name: Metals.Dev Rates API
  description: Latest and historical metal and currency rates.
  humanURL: https://metals.dev/docs
  baseURL: https://api.metals.dev/v1
  tags:
  - Rates
  properties:
  - type: OpenAPI
    url: openapi/metals-dev-rates-api-openapi.yml
  - type: Documentation
    url: https://metals.dev/docs
  - type: GettingStarted
    url: https://metals.dev/docs#getting-started
- aid: metals-dev:metals-dev-spot-prices-api
  name: Metals.Dev Spot Prices API
  description: Spot pricing for individual metals.
  humanURL: https://metals.dev/docs
  baseURL: https://api.metals.dev/v1
  tags:
  - Spot Prices
  properties:
  - type: OpenAPI
    url: openapi/metals-dev-spot-prices-api-openapi.yml
  - type: Documentation
    url: https://metals.dev/docs
  - type: GettingStarted
    url: https://metals.dev/docs#getting-started
common:
- type: AgenticAccess
  url: agentic-access/metals-dev-agentic-access.yml
- type: DomainSecurity
  url: security/metals-dev-domain-security.yml
- type: Authentication
  url: authentication/metals-dev-authentication.yml
- type: GitHubOrganization
  url: https://github.com/MetalsDev
- type: Portal
  url: https://metals.dev/
- type: Pricing
  url: https://metals.dev/pricing
- type: StatusPage
  url: https://metals.dev/status
- type: Signup
  url: https://metals.dev/sign-up
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com