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OpenAPI Specification

openapi: 3.2.0
info:
  title: Bullion Central Bank Gold API
  version: '2026-10-14'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-14: 10 operation(s) read from 1 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; Bullion API has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 22
    documentation: -12
    pages-with-code: 1
    pages-read: 1
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-14'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://bullionapi.dev/docs.md
servers:
- url: https://api.bullionapi.dev
security:
- apiKey: []
tags:
- name: Central Bank Gold
paths:
  /v1/central-bank-gold/de:
    get:
      operationId: get_v1_central_bank_gold_de
      tags:
      - Central Bank Gold
      summary: GET /v1/central-bank-gold/de
      x-source: https://bullionapi.dev/docs.md
      parameters:
      - name: end
        in: query
        required: false
        schema:
          type: string
      - name: start
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Success (shape read from the example response on the page)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetV1CentralBankGoldDeResponse'
      x-evidence:
        kind: code-example
        language: curl
        snippet: 'curl -H "X-API-Key: bullion_your_key"  "https://api.bullionapi.dev/v1/central-bank-gold/de?start=2026-01-01&end=2026-06-30"'
components:
  schemas:
    GetV1CentralBankGoldDeResponse:
      type: object
      properties:
        status:
          type: string
        portfolio:
          type: object
          properties:
            id:
              type: string
            metals:
              type: array
              items:
                type: string
            reporting_currency:
              type: string
            created_at:
              type: string
              format: date-time
            updated_at:
              type: string
              format: date-time
        summary:
          type: object
          properties:
            gold_quantity_grams:
              type: string
            metals:
              type: array
              items: {}
            cost_basis:
              type: string
            realised_pnl:
              type: string
            valuation:
              type: object
              properties:
                status:
                  type: string
                spot_price:
                  type:
                  - string
                  - 'null'
                current_value:
                  type:
                  - string
                  - 'null'
                unrealised_pnl:
                  type:
                  - string
                  - 'null'
                price_timestamp:
                  type:
                  - string
                  - 'null'
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: X-API-Key