{"ok":true,"tool":"Sales Tax Calculator","operation":"calculate-sales-tax","description":"Calculate sales tax on a price (add or extract).","method":"POST","endpoint":"/api/sales-tax-calculator","webUrl":"https://ultraquick.tools/tools/sales-tax-calculator","parameters":{"type":"object","properties":{"price":{"type":"number","description":"Price amount"},"taxRate":{"type":"number","description":"Tax rate as a percentage"},"taxIncluded":{"type":"boolean","description":"If true, the price already includes tax (default false)"}},"required":["price","taxRate"]},"response":{"type":"object","properties":{"priceBeforeTax":{"type":"number"},"taxAmount":{"type":"number"},"finalPrice":{"type":"number"}}},"example":{"request":{"price":100,"taxRate":8.5},"response_shape":{"type":"object","properties":{"priceBeforeTax":{"type":"number"},"taxAmount":{"type":"number"},"finalPrice":{"type":"number"}}}},"howToCall":"POST a JSON body to https://ultraquick.tools/api/sales-tax-calculator. Returns {\"ok\":true,\"result\":{...}} on success or {\"ok\":false,\"error\":\"...\"} on failure. No auth, CORS-enabled.","parametersSummary":"  price (number, required) — Price amount\n  taxRate (number, required) — Tax rate as a percentage\n  taxIncluded (boolean, optional) — If true, the price already includes tax (default false)","curlExample":"curl -X POST https://ultraquick.tools/api/sales-tax-calculator -H \"Content-Type: application/json\" -d '{\"price\":100,\"taxRate\":8.5}'"}