# Conversions API parameter builder: SDK to help improve Conversions API param quality ## Introduction Conversions API parameter builder SDK is a lightweight tool for improving Conversions API parameter retrieval and quality. The SDK helps ensure event parameters adhere to best practices. Parameter builder supports 5 server-side languages and 1 clientside language: - Server-side: PHP, Java, NodeJS, Python and Ruby. - Client-side: JavaScript. Check [Parameter Builder Library Overview](https://developers.facebook.com/docs/marketing-api/conversions-api/parameter-builder-feature-library) for more details. In each languages' subfolder, we provide quick start guide and examples. --- ## License Conversions API parameter builder SDKs are licensed under the LICENSE file in the root directory of this source tree.