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OpenAPI Specification

openapi: 3.1.0
info:
  title: Metals.Dev Account Spot Prices 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: Spot Prices
  description: Spot pricing for individual metals.
paths:
  /metal/spot:
    get:
      summary: Get spot metal price
      description: Returns spot price, bid/ask, high/low, and change data for the selected metal.
      operationId: getMetalSpot
      tags:
      - Spot Prices
      parameters:
      - name: metal
        in: query
        required: true
        description: Metal symbol.
        schema:
          type: string
          enum:
          - gold
          - silver
          - platinum
          - palladium
          - aluminum
          - copper
          - nickel
          - lead
          - zinc
      - name: currency
        in: query
        description: Three-letter currency code.
        schema:
          type: string
      responses:
        '200':
          description: Spot price details for a metal.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SpotResponse'
components:
  schemas:
    SpotResponse:
      allOf:
      - $ref: '#/components/schemas/BaseResponse'
      - type: object
        properties:
          metal:
            type: string
          rate:
            type: object
            properties:
              price:
                type: number
              ask:
                type: number
              bid:
                type: number
              high:
                type: number
              low:
                type: number
              change:
                type: number
              change_percent:
                type: number
    BaseResponse:
      type: object
      properties:
        status:
          type: string
        currency:
          type: string
        unit:
          type: string
        timestamp:
          type: string
          format: date-time
        error_code:
          type: integer
        error_message:
          type: string
  securitySchemes:
    apiKey:
      type: apiKey
      in: query
      name: api_key