---
title: "Day 5: Advanced APIs"
description: Learn advanced Qdrant APIs, including multivectors and the Universal Query API, to power hybrid retrieval, late interaction models, and recommendation systems with high accuracy and flexibility. 
isLesson: true
weight: 60
---

{{< date >}} Day 5 {{< /date >}}

# Advanced APIs

Multi‑vector patterns and the Universal Query API.

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## Today’s path

1. Multivectors for Late Interaction Models
2. The Universal Query API
3. Demo: Universal Query for Hybrid Retrieval
4. Project: Building a Recommendation System

You’ll synthesize these APIs into a practical recommendation system.