How to Scrape Redfin for Property Data Extraction

Searching for a Redfin API is the natural starting point for anyone building a real estate data pipeline, and it leads to a dead end. Redfin does not offer a public API for developers. What it does have are internal JSON endpoints used by its own web application; those endpoints are technically reachable but undocumented, rate-limited, and prone to breaking when Redfin updates its frontend.