finance by fourzerotwo

Add or remove VAT

Net to gross or gross to net at a given rate, or at a country's standard rate.

Add or remove VAT Free

Net to gross or gross to net at a given rate, or at a country's standard rate.

cost: Free then $0.001 / call
MCP tool: vat__calculate
method: GET

Free up to 50 calls a day over MCP (500 with a free key), then $0.001 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/vat/calculate

Param	Type	Description
amount	string	Amount
rate?	string	VAT rate in percent (or give country)
country?	string	Use this country's standard rate
from?	string	net (default) or gross

# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/vat/calculate?amount=100"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/vat/calculate?amount=100"

by fourzerotwo

Report this endpoint

Use it from an AI agent (MCP)

Add the server once, then ask for this data in plain English. The agent finds the endpoint with search_apis and runs it with call_api.

{
  "mcpServers": {
    "fourzerotwo": { "type": "http", "url": "https://fourzerotwo.si/mcp" }
  }
}

# the call the agent makes
call_api {"tool": "vat__calculate", "arguments": {"amount":"100","country":"GB","from":"net"}}

Add or remove VAT

Add or remove VAT Free

Use it from an AI agent (MCP)

More from VAT Rates & Checks