IP258 API 接口对接文档

curl https://ip258.cn/api/ip_api.php?ip=1.1.1.1

curl https://ip258.cn/api/ip_api.php

// PHP请求接口示例，无需key
unction ip258_query($ip) {
    $url = 'https://ip258.cn/api/ip_api.php?ip=' . urlencode($ip);
    $ch = curl_init($url);
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_TIMEOUT        => 5,
        CURLOPT_USERAGENT      => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',  // 必须带浏览器UA
    ]);
    $body = curl_exec($ch);
    curl_close($ch);
    return json_decode($body, true);  // code=-1 需自行处理网络/解析错误
}

$ret = ip258_query('1.1.1.1');
if (isset($ret['code']) && $ret['code'] === 200) {
    echo '查询成功：' . $ret['data']['prov'] . $ret['data']['city'] . ' ' . $ret['data']['isp'] . PHP_EOL;
} else {
    echo '查询失败 code=' . ($ret['code'] ?? '?') . ' msg=' . ($ret['msg'] ?? '未知错误') . PHP_EOL;
}

// JS fetch请求示例，不带密钥
async function queryIp(ip) {
    const res = await fetch('https://ip258.cn/api/ip_api.php?ip=' + encodeURIComponent(ip));
    const data = await res.json();
    if (data.code !== 200) throw new Error('[' + data.code + '] ' + (data.msg || ''));
    return data.data;
}

queryIp('1.1.1.1').then(d => console.log('查询成功：', d.prov, d.city, d.isp));