Insights & Updates

Tutorials, comparisons, and deep dives into real estate data — from the team building RealtyAPI.

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10 API Integration Best Practices for Developers

10 API Integration Best Practices for Developers

Learn api integration best practices for secure, reliable, scalable APIs, from authentication and retries to testing, observability, and deployment.

September 2, 202620 min
Free MLS API in 2026: What Exists and What Doesn't

Free MLS API in 2026: What Exists and What Doesn't

A candid guide to free MLS API options: how RESO Web API and IDX work, licensing rules, technical trade-offs, and a smarter alternative for real estate data.

September 1, 202613 min
Is There a Domain.com.au API? How to Get Listing Data

Is There a Domain.com.au API? How to Get Listing Data

Domain.com.au has a real public API. What it covers, the terms clauses that decide if you can use it, and hosted endpoints you can call today.

September 1, 202616 min
API Key Management: A Practical Guide for Developers

API Key Management: A Practical Guide for Developers

Learn API key management best practices for developers, from secure generation and storage to rotation, least privilege, monitoring, and automation with code.

August 31, 202613 min
Is There a realestate.com.au API? How to Get Listing Data

Is There a realestate.com.au API? How to Get Listing Data

realestate.com.au has an official API, but it only returns your own agency's listings. What REA's Partner Platform really does, and what works instead.

August 31, 202614 min
Property Availability Calendar: Developer Guide

Property Availability Calendar: Developer Guide

Explore the property availability calendar for seamless booking management. This guide covers setup, integration, and optimization tips for developers.

August 30, 202616 min
Is There an Idealista API? How to Get Listing Data

Is There an Idealista API? How to Get Listing Data

Yes, Idealista has an official Search API, but it is invite-only and search-only. Here is what it covers, what it misses, and endpoints you can run today.

August 30, 202615 min
Backward Compatibility: A Developer's Practical Guide

Backward Compatibility: A Developer's Practical Guide

Master backward compatibility for APIs, schemas, and SDKs. Learn versioning strategies, deprecation policies, contract testing, and rollout tactics that keep

August 29, 202615 min
Is There an Apartments.com API? How to Get Rental Data

Is There an Apartments.com API? How to Get Rental Data

Apartments.com has no public API. What actually works in 2026: the official doors, the CoStar copyright risk, and hosted endpoints with code.

August 29, 202614 min
Is There an Airbnb API? How to Get Listing Data

Is There an Airbnb API? How to Get Listing Data

Airbnb has an official API, but it cannot search listings and its terms ban building databases. What actually works in 2026, with runnable code.

August 28, 202613 min