Access all Cadastre data with a simple and powerful API

The easiest and most documented way to integrate cadastral data into your applications. Query provinces, municipalities, streets, properties and coordinates with a single REST API that returns well-structured and clear JSON responses.

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Complete access to Cadastre data

Our API provides you with access to all Cadastre services in a simple and documented way. No complications, no SOAP, just REST API with well-structured, consistent and easy-to-process JSON responses.

Access provinces, municipalities, streets and numbers with search by name or code. Get the complete directory with well-structured data and clearly defined fields.
Query cadastral information of properties by address or cadastral reference. Receive structured data with use, surface, construction year and more information clearly organized.
Convert geographic coordinates to cadastral references and vice versa. Receive clear responses with precise coordinates and well-formatted references.

ejemplo-peticion.js

const response =
await fetch('https://catastro-api.es/api/rc',
{
  method: 'GET',
  headers: {
    'x-api-key': 'TU_API_KEY'
  },
  params: {
    'rc': '2749704YJ0624N0001DI'
  }
}
);

const data = await response.json();
console.log(data);

data.json

Clear and complete documentation

Forget about spending hours trying to understand poorly documented APIs. Each endpoint is explained in detail with real examples and practical use cases. In addition, we have Swagger documentation to visually explore the API and a collection ready to import into Postman.

Explore and test all endpoints directly from your browser. Integrated Swagger UI and Postman collection available.
Practical examples and real use cases for each endpoint. Clear and detailed documentation that allows you to implement quickly.
Have questions? Our support team is ready to help you integrate the API into your project.

Documentación Interactiva

Endpoints y schemas detallados

GET /api/callejero/inmuebles-rc

Obtiene información catastral por referencia catastral

rc requiredstring

Referencia catastral a consultar (14 o 20 caracteres)

Esquema de respuesta

direccion:string

provincia:string

municipio:string

superficie:number

View in documentation

Designed for modern developers

Forget about the complicated SOAP services of the Cadastre. Our modern REST API allows you to integrate cadastral data in minutes, not days, with clear and well-structured JSON responses.

REST endpoints with clear, consistent and well-structured JSON responses. Each field is clearly defined and documented. Forget about XML and SOAP, use what you already know.
Explore all endpoints with our interactive documentation. Test queries directly from the browser.
You only need an API Key in the header. No complicated OAuth, no tokens that expire every hour.

Monitoreo en Tiempo Real

Historial completo de tus peticiones

1,247

Peticiones totales

342

Este mes

9,658

Restantes

Endpoint	Estado	Tiempo
GET`api/rc`	200	Ahora
GET`api/callejero`	400	3 min
GET`api/coordenadas`	200	8 min
GET`api/rc`	200	15 min

View full history

Everything you need to work with the Cadastre

We have simplified access to Cadastre data so you can focus on building your application, not understanding complex services. All responses are structured clearly and consistently.

Province and Municipality Search

Get the complete list of Spanish provinces and their municipalities with official INE and Cadastre codes, organized in a clear and easy-to-process JSON structure.

Street and Road Query

Access the complete street directory of any municipality with well-structured data. Search by type of road (street, avenue, square) and name, receiving clear and organized responses.

Cadastral References

Get the cadastral references associated with a specific address with all their details clearly and structurally organized in JSON format.

Property Data

Query unprotected property information with well-structured data: use, built surface, construction year and participation coefficient, all clearly organized.

Coordinate Conversion

Convert between geographic coordinates and cadastral references in both directions with structured and clear responses. Supports multiple reference systems with well-organized data.

Query by Codes

All endpoints available by both denomination and official codes for maximum flexibility. Receive structured and consistent responses regardless of the query method.

Use Cases

Build real solutions with our API

Discover the different applications and use cases where our Cadastre API can help you create value and automate processes.

Real Estate Platforms

Integrate cadastral data in real-time into your real estate portal. Display detailed property information, surfaces and technical characteristics for each property.

Valuation Apps

Get cadastral references from GPS coordinates to value properties in real-time. Perfect for mobile appraisal apps.

Market Analysis

Massively query cadastral references for real estate market studies. Automate data collection for statistical analysis and reports.

Municipal Management

Integrate cadastral information into public management systems. Facilitate administrative procedures and improve citizen service with updated data.

GIS Systems

Geolocate plots and properties in map viewers. Compatible with Leaflet, Google Maps and other digital mapping platforms.

Real Estate CRM

Automatically enrich your property data. Complete records with official cadastral information without manual intervention.

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