PASAR API

🇪🇸 Catastro ~ Spanish cadastre & address web services

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Free 'unprotected' web services for cadastral reference lookups, street directory, and coordinate conversion; originally SOAP but usable over HTTP/REST, and property owner data is not exposed.

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Call it

curl 'http://ovc.catastro.meh.es/'

AI prompt

I'm building an app using a free Spain API (no auth needed).

API: Catastro ~ Spanish cadastre & address web services
Provider: Direccion General del Catastro (Ministerio de Hacienda)
Endpoint: GET http://ovc.catastro.meh.es/
It returns JSON.

Source: Direccion General del Catastro (Ministerio de Hacienda) (https://www.catastro.hacienda.gob.es/ws/Webservices_Libres.pdf)
Source type: Official open-data catalogue
Endpoint type: Open-data catalogue JSON
Integration difficulty: Copy-paste ready
Last checked: 2026-07-05
Production caveat: Still handle empty rows, schema changes, pagination, stale coverage, and temporary upstream failures.

Help me fetch this and build a simple page that displays it nicely. Include basic production safeguards for errors, empty responses, schema changes, caching, and rate limits.

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