Exemplo de Uso com PHP - CEP
<?php
$cURL = curl_init();
curl_setopt($cURL, CURLOPT_URL, 'http://cep.e4sistemas.com.br/busca-endereco.php?sCEP=80510-220');
curl_setopt($cURL, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($cURL, CURLOPT_HTTPGET, true);
curl_setopt($cURL, CURLOPT_TIMEOUT, 10);
$aRetorno = json_decode(curl_exec($cURL));
curl_close($cURL);
echo '<pre>';
print_r($aRetorno->endereco);
echo '</pre>';
?>
Exemplo de Uso com PHP - Municípios
<?php
$cURL = curl_init();
curl_setopt($cURL, CURLOPT_URL, 'http://cep.e4sistemas.com.br/busca-municipios.php?sUF=GO');
curl_setopt($cURL, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($cURL, CURLOPT_HTTPGET, true);
curl_setopt($cURL, CURLOPT_TIMEOUT, 10);
$aRetorno = json_decode(curl_exec($cURL));
curl_close($cURL);
echo '<pre>';
print_r($aRetorno->municipios);
echo '</pre>';
?>