openapi: 3.1.0
info:
  title: Metals.Dev Account API
  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.
  version: '1.0'
  contact:
    name: Metals.Dev
    url: https://metals.dev/
  license:
    name: Proprietary
    url: https://metals.dev/terms
servers:
- url: https://api.metals.dev/v1
  description: Production
security:
- apiKey: []
tags:
- name: Account
  description: Usage and quota information.
paths:
  /usage:
    get:
      summary: Get account usage
      description: Returns current usage, plan details, and remaining quota.
      operationId: getUsage
      tags:
      - Account
      responses:
        '200':
          description: Usage information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UsageResponse'
components:
  schemas:
    UsageResponse:
      type: object
      properties:
        status:
          type: string
        plan:
          type: string
        usage:
          type: integer
        limit:
          type: integer
        remaining:
          type: integer
  securitySchemes:
    apiKey:
      type: apiKey
      in: query
      name: api_key