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OpenAPI Specification

openapi: 3.2.0
info:
  title: Bullion Portfolio 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: Portfolio
paths:
  /v1/portfolio/transactions/11111111-1111-4111-8111-111111111111:
    delete:
      operationId: delete_v1_portfolio_transactions_11111111_1111_4111_8111_111111111111
      tags:
      - Portfolio
      summary: DELETE /v1/portfolio/transactions/11111111-1111-4111-8111-111111111111
      x-source: https://bullionapi.dev/docs.md
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: 'curl -X DELETE "https://api.bullionapi.dev/v1/portfolio/transactions/11111111-1111-4111-8111-111111111111"  -H "X-API-Key: bullion_your_key"  -H ''If-Match: "1"''

          ```'
  /v1/portfolio/{portfolioid}:
    get:
      operationId: get_v1_portfolio_portfolioid
      tags:
      - Portfolio
      summary: GET /v1/portfolio/gains
      x-source: https://bullionapi.dev/docs.md
      parameters:
      - name: portfolioid
        in: path
        required: true
        schema:
          type: string
      - name: uk_tax_year
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: 'curl -H "X-API-Key: bullion_your_key"  "https://api.bullionapi.dev/v1/portfolio/gains?uk_tax_year=2025-26"

          ```'
        collapsed_from: 3 example path(s) differing only at portfolioId
components:
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: X-API-Key