{"ok":true,"tool":"Angle Converter","operation":"convert-angle","description":"Convert an angle between degrees, radians, gradians, and turns.","method":"POST","endpoint":"/api/angle-converter","webUrl":"https://ultraquick.tools/tools/angle-converter","parameters":{"type":"object","properties":{"value":{"type":"number","description":"The angle value"},"from":{"type":"string","enum":["degrees","radians","gradians","turns"],"description":"Source unit (default degrees)"},"to":{"type":"string","enum":["degrees","radians","gradians","turns"],"description":"Target unit (default radians)"}},"required":["value"]},"response":{"type":"object","properties":{"result":{"type":"number"}}},"example":{"request":{"value":180,"from":"degrees","to":"radians"},"response_shape":{"type":"object","properties":{"result":{"type":"number"}}}},"howToCall":"POST a JSON body to https://ultraquick.tools/api/angle-converter. Returns {\"ok\":true,\"result\":{...}} on success or {\"ok\":false,\"error\":\"...\"} on failure. No auth, CORS-enabled.","parametersSummary":"  value (number, required) — The angle value\n  from (string, optional, one of: degrees|radians|gradians|turns) — Source unit (default degrees)\n  to (string, optional, one of: degrees|radians|gradians|turns) — Target unit (default radians)","curlExample":"curl -X POST https://ultraquick.tools/api/angle-converter -H \"Content-Type: application/json\" -d '{\"value\":180,\"from\":\"degrees\",\"to\":\"radians\"}'"}