PHP Captcha Solver

<?php
$apiKey = getenv('CAPTCHAKINGS_KEY');

$ch = curl_init('https://captchakings.com/api/process.php');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => ["Authorization: Bearer $apiKey"],
    CURLOPT_POSTFIELDS => ['captcha' => new CURLFile('captcha.jpg')],
    CURLOPT_TIMEOUT => 30
]);

$data = json_decode(curl_exec($ch), true);
curl_close($ch);

if ($data['success']) {
    echo $data['data']['prediction'];        // solved text
    echo $data['data']['confidence'];        // 0-100
    echo $data['billing']['balance_remaining'];
} else {
    echo 'Error: ' . $data['error']['message'];
}

<?php
function solveRecaptchaV2(string $pageUrl, string $siteKey): string {
    // The final reCAPTCHA endpoint and request format will be
    // announced on the CaptchaKings changelog at launch.
    // Planned flow:
    //   1. POST your API key + page URL + site key to the solver endpoint
    //   2. Receive the g-recaptcha-response token in the API response
    //   3. Return the token for injection into the target form
    throw new RuntimeException('reCAPTCHA support is coming soon to CaptchaKings');
}

<?php
use GuzzleHttp\Client;

$http = new Client();

$img = json_decode($http->post('https://captchakings.com/api/process.php', [
    'headers' => ['Authorization' => 'Bearer ' . getenv('CAPTCHAKINGS_KEY')],
    'multipart' => [[
        'name' => 'captcha',
        'contents' => fopen('captcha.jpg', 'r')
    ]]
])->getBody(), true);

echo $img['data']['prediction'];

<?php
function myplugin_solve_recaptcha($page_url, $site_key) {
    $api_key = get_option('captchakings_api_key');

    // The final reCAPTCHA endpoint and request format will be
    // announced on the CaptchaKings changelog at launch.
    // Planned flow:
    //   1. wp_remote_post your API key + page URL + site key
    //      to the solver endpoint
    //   2. Receive the g-recaptcha-response token in the API response
    //   3. Return the token for injection into the target form
    return false; // reCAPTCHA support is coming soon to CaptchaKings
}