La API del Catastro. Gratis. Para siempre.

# 1. Crear el job
curl -X POST https://api.catastroapi.com/jobs \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"reference":"5163834XH7856S0292SX","includes":["full"]}'

# 2. Recoger el resultado
curl https://api.catastroapi.com/jobs/42 \
  -H "Authorization: Bearer $TOKEN"

const API = 'https://api.catastroapi.com';
const headers = { Authorization: `Bearer ${TOKEN}`, 'Content-Type': 'application/json' };

const { jobId } = await (await fetch(`${API}/jobs`, {
  method: 'POST', headers,
  body: JSON.stringify({ reference: '5163834XH7856S0292SX', includes: ['full'] }),
})).json();

let job;
do {
  await new Promise(r => setTimeout(r, 10000));
  job = await (await fetch(`${API}/jobs/${jobId}`, { headers })).json();
} while (['waiting', 'active', 'delayed'].includes(job.status));

console.log(job.result.full.data.valor.valorReferencia); // 79883.22

import time, requests

API = "https://api.catastroapi.com"
H = {"Authorization": f"Bearer {TOKEN}"}

job_id = requests.post(f"{API}/jobs", headers=H, json={
    "reference": "5163834XH7856S0292SX", "includes": ["full"],
}).json()["jobId"]

while True:
    time.sleep(10)
    job = requests.get(f"{API}/jobs/{job_id}", headers=H).json()
    if job["status"] in ("completed", "failed"):
        break

print(job["result"]["full"]["data"]["valor"]["valorReferencia"])

$api = 'https://api.catastroapi.com';
$ctx = fn($method, $body = null) => stream_context_create(['http' => [
    'method' => $method,
    'header' => "Authorization: Bearer $token\r\nContent-Type: application/json",
    'content' => $body ? json_encode($body) : '',
]]);

$job = json_decode(file_get_contents("$api/jobs", false, $ctx('POST', [
    'reference' => '5163834XH7856S0292SX', 'includes' => ['full'],
])), true);

do {
    sleep(10);
    $r = json_decode(file_get_contents("$api/jobs/{$job['jobId']}", false, $ctx('GET')), true);
} while (in_array($r['status'], ['waiting', 'active', 'delayed']));

echo $r['result']['full']['data']['valor']['valorReferencia'];