Build a Real-Time E-Commerce Analytics API from Kafka in 15 Minutes

In this comprehensive guide, readers are taken through the process of building a real-time analytics API using Kafka and other tools like Tinybird, PostgreSQL, and materialized views. The tutorial begins with the basics of connecting to Kafka and setting up a simple API endpoint, then progressively adds features such as data enrichment with dimension tables, PostgreSQL for product catalog data, and materialized views for pre-aggregated metrics, without needing to write application code. The architecture allows for ingesting data from Kafka, enriching it with reference data, pre-aggregating metrics, and serving them through low-latency API endpoints. The guide provides detailed instructions on setting up Kafka connections, validating data ingestion, creating data sources and materialized views, and deploying advanced API endpoints for real-time revenue metrics, top products, and customer analytics. It emphasizes the benefits of using Tinybird for real-time analytics, highlighting its ability to handle high throughput, provide sub-100ms API latency, and ensure data freshness with minimal infrastructure management, all achieved through configuration and SQL.

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