Tutorials, comparisons, and deep dives into real estate data — from the team building RealtyAPI.
Cut through SLA marketing in this 2026 guide. Learn what uptime guarantee numbers mean, how credits work, and how to hold vendors accountable.
Learn proven cache invalidation patterns for API-backed real estate data. Covers TTL, webhooks, versioning, CDN purge, and concurrency controls.
Master the circuit breaker pattern for building resilient systems. Learn state transitions, threshold tuning, and code examples in JS, Python, and Go.
StreetEasy has no public API. Here's what actually works in 2026: scraping options compared, plus hosted StreetEasy endpoints with code you can run today.
Pull comps programmatically, build a CMA adjustment grid in code, and write a simple AVM. Real endpoints, real responses, and honest failure modes.
An honest comparison of the best real estate listing APIs in 2026: RealtyAPI, RentCast, ATTOM, Bridge and SimplyRETS, with real pricing and limitations.
What's genuinely free in real estate data: government APIs, research CSVs, and free API tiers with verified quotas, real limits, and working code.
The exact formula behind home equity loan payments, a worked $150,000 example, LTV borrowing limits, payment tables, and why APR beats the quoted rate.
Is RealtyAPI legal? A direct answer from the team: how we source public listing data, what US courts say about it, and what our terms let you build.
PropTech developers: Master energy efficiency rating. Our guide covers global standards (EPC, HERS), data sourcing, and API integration.