Scalable, real-time real estate APIs
Access geolocated data, AVM valuations, and comparables instantly. Power your systems with reliable, flexible APIs for PropTech and real estate.


Do your systems rely on unreliable or hard-to-integrate data?
Many developers waste time with outdated data and manual integration processes, delaying key decisions and complicating scalability.
The most used endpoints in Spain for real estate data
With our APIs you can access real-time property information: automated valuations (AVM), cadastral references, comparables, and market trends. All in JSON format, ready to integrate into your systems.
- +10 JSON endpoints for indicators, comparables, cadastre, geolocation, and AVM
- Updated data from 24 trusted sources
- Platform used by the country’s leading PropTech companies

What do our APIs provide?
Our APIs offer fast, modular integration with accurate and updated data, designed for demanding developers who need reliability and speed.
Standard JSON structure
Uniform, clean JSON data eliminates manual cleansing and speeds up integration with modern real estate platforms.
High availability and speed
Responses in milliseconds with thousands of simultaneous calls, ensuring stability and performance even in critical environments.
Comprehensive data coverage
Includes prices, trends, cadastral references, comparables, and AVM valuations, offering a complete view of the real estate market.
Modular and flexible integration
Consume only the endpoints you need and pay per use, optimizing costs without sacrificing reliability or scalability.
Clear technical documentation
Code examples, step-by-step guides, and technical support simplify fast integration for developers.
Expert, continuous support
Our technical team supports every integration, answering questions quickly and ensuring you get the most out of the APIs.
Trusted by PropTech leaders
Leading PropTech companies in Spain already integrate our APIs to boost the accuracy and speed of their systems.
Fast integration in 4 steps
Integrate our APIs into your system within minutes. Check the documentation, test endpoints, and start consuming reliable property data instantly.
01
Register and get your credentials in seconds
Create your account, access your API key, and start making calls from the developer dashboard.
02
Explore detailed technical documentation and JSON examples
Review usage examples by endpoint for faster, safer integration.
03
Make calls to geolocated and comparable data
Instantly access trends, prices, cadastral references, AVM valuations, and more.
04
Optimize your tools with accurate, automated insights
Turn data into faster, smarter decisions within your platform.
Why our APIs stand out
Our APIs don’t just provide data—they’re optimized for seamless integration into PropTech environments, reducing development costs and improving reliability compared to traditional solutions.
- 10 JSON endpoints vs. limited solutions
- Updates from 24 sources (vs. scraping or local databases)
- Integrated into leading PropTech systems
- Flexible pricing by usage, no penalties for scaling
Power your systems with reliable property data
Access updated, robust, ready-to-integrate data. Accelerate your development and manage PropTech solutions with confidence.
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María de Molina Street, 39, 2nd Floor, Chamartín, 28006 Madrid, Spain
Contact
Call us: +34 628 986 787
Email: info@cassandra-ai.com
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