Japan Consumption Tax Calculation API

Japan has a dual VAT system — 10% standard and 8% reduced for food and beverages. Torify computes both with configurable rounding modes (floor/round/ceil).

Endpoint

GET https://torify.dev/v1/tax/calculate

Parameters

NameTypeRequiredDescriptionExample
amount integer Yes Base amount (excluding tax) 10000
category string No standard | food | beverage food

Response example

{ "ok": true, "data": { "rate": 0.08, "tax": 800, "total": 10800 } }

Code examples

curl

curl "https://torify.dev/v1/tax/calculate?amount=10000"

TypeScript (x402-fetch)

import { wrapFetchWithPayment } from 'x402-fetch';
import { privateKeyToAccount } from 'viem/accounts';

const account = privateKeyToAccount(process.env.PRIVATE_KEY as `0x${string}`);
const fetchWithPayment = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPayment(
  'https://torify.dev/v1/tax/calculate?amount=10000'
);
const data = await res.json();
console.log(data); // { ok: true, data: { ... } }

Python (requests)

import requests

# Free MCP tier (no auth) or API key (X-API-Key header)
res = requests.get(
    "https://torify.dev/v1/tax/calculate?amount=10000",
    headers={"X-API-Key": "your_torify_pro_key"}
)
print(res.json())

Related endpoints

← All 36 endpoints

Pricing

$0.02 per call via x402 (USDC on Base). Or use a Pro API key ($49/mo, 10,000 calls/month).