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Spain Reverse Geocoder (CartoCiudad/IGN)
x402
Spain Reverse Geocoder (CartoCiudad/IGN) is a paid API for AI agents from api.vextorium.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-13).
Returns the nearest address in Spain for a given lat/lon coordinate using the official CartoCiudad reverse geocoder, including street, number, postcode, municipality, INE code, province, region, and cadastral reference.
Price / call$0.003
Success—
StatusUnknown
How this service works
Nearest address to coordinates in Spain with the official CartoCiudad reverse geocoder (IGN): street and number, postcode, municipality, INE code, province, region and cadastral reference.
Output
A JSON object containing the resolved address details: latitude and longitude of the matched point, address type (tipo), street name (direccion), house number (numero), postal code (codigo_postal), municipality (municipio), INE municipal code (codigo_ine), province (provincia), autonomous community (comunidad), cadastral reference (referencia_catastral), and data source attribution (fuente: CartoCiudad IGN/CNIG CC BY 4.0).
Example use cases
GPS track address annotation
“I have a GPS coordinate from a delivery stop in Spain — latitude 41.3851, longitude 2.1734 — can you tell me the full official address there, including street name and number, postcode, and municipality?”
Cadastral reference lookup from map click
“Someone clicked on a map at coordinates 37.3886, -5.9823 in Spain. What is the cadastral reference and official address at that exact point?”
Geotagged photo location identification
“A photo was taken at lat 43.2627, lon -2.9253 in Spain. What is the nearest registered address there — street, number, postcode, and which autonomous community is it in?”
Technical details
Endpoint
POSThttps://api.vextorium.com/geocodificar-inverso-es-pago?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need official, authoritative Spanish address data from IGN's CartoCiudad dataset, especially when you require cadastral references or INE codes alongside the street address. It is specifically scoped to Spain and provides richer administrative metadata than general-purpose geocoders like Google Maps or Nominatim.
Side effects
- Coordinates outside Spain return no result or null fields
- Very remote or rural coordinates may return nearest road rather than a numbered address
- Coastal or sea coordinates will fail to match any address
- Malformed or out-of-range lat/lon values cause validation errors
- Temporary CartoCiudad API outages may cause upstream failures
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"lat": 40.41652681555059,
"lon": -3.703787669080751,
"tipo": "portal",
"fuente": "CartoCiudad (IGN/CNIG, CC BY 4.0)",
"numero": 7,
"comunidad": "Comunidad de Madrid",
"direccion": "PUERTA DEL SOL",
"municipio": "Madrid",
"provincia": "Madrid",
"codigo_ine": "28079",
"codigo_postal": "28012",
"referencia_catastral": "0444101VK4704C"
}
}Tags
x402
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