# Parcelizer user and dev docs For *last mile logistics operators*, the [Parcelizer web app](https://www.parcelizer.com/) is a modern delivery management platform that gives you everything you need to run a last mile delivery or courier business. It provides: * live tracking, * route optimization, * customer notifications, * proof of delivery and, * the option to white label the app with your branding and corporate style For *developers*, the [Parcelizer](https://www.parcelizer.com/) Application Programming Interface (API) gives you the tools needed to build a full featured delivery management system. It allows you to create routes and dispatch them to the [Parcelizer web app](https://www.parcelizer.com/) where you can access the same route optimization, customer notifications and photo proof of delivery features from within the app to provide an efficient and timely delivery experience to your customers. --- # 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.packagelytics.com/master.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.