# Batch App - Lightweight ### Prerequisites 1. Have a active Loqate Harmony API Account. You can sign-up for [free trial here](https://www.loqate.com/anz/register/). You will need to enable Address Cleanse, Phone or Email API services on your account. Contact sales. 2. Get from our Batch App - Lightweight from Harmony Support team ### Key Features Batch App lite processes 20,000 records directly from your desktop using our API services. We have 3 different versions for Address, Phone and Email. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.mastersoftgroup.com/loqate-harmony-api/integrations/batch-app-lightweight.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.