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Crypto & Stock Capital Gains Tax Rules Calculator (DE §23 EStG, AT, CH, US)

Evaluates crypto and equity capital gains tax rules by jurisdiction (including Germany 1-year tax-free holding rule §23 EStG and €1,000 Freigrenze).

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/finance-crypto-capital-gains-tax?country=DE&gain_eur=5000&holding_months=14&compact=1

Full metadata: without compact=1 · Markdown: format=llm · Only some fields: add &fields=a,b.c · MCP: tool call_api with {"apiId":"finance-crypto-capital-gains-tax"}

Parameters

Example response (live, compact)

{
  "apiId": "finance-crypto-capital-gains-tax",
  "data_freshness": "cached",
  "data": {
    "country": "DE",
    "gain_eur": 5000,
    "holding_months": 14,
    "is_tax_free_spot_crypto": true,
    "estimated_tax_eur": 0,
    "legal_basis": "§ 23 EStG Private Veräußerungsgeschäfte (Steuerfrei ab 12 Monaten Haltedauer oder unter 1.000 € Freigrenze/Jahr)"
  },
  "source": "Statutory Tax Rules Engine (DE §23 EStG / AT / CH / US)",
  "license": "Public Statutory Law + Platform Compute"
}

Source & license