Anura Docs

<script type="text/javascript">
(function(){
    var anura = document.createElement('script');
    if ('object' === typeof anura) {
        var request = {
            instance: yourAssignedInstanceId,
            // source: 'optionalSourceTrackingId',
            // campaign: 'optionalCampaignTrackingId',
            // exid: 'optionalSingleUseExternalId',
            // additional: 'optionalAdditionalData',
            // variable: 'optionalResponseObjectVariable',
            // callback: 'optionalCallbackFunction'
        };
        var params = [];
        for (var x in request) params.push(x+'='+encodeURIComponent(request[x]));
        params.push(Math.floor(1E12*Math.random()+1));
        anura.type = 'text/javascript';
        anura.async = true;
        anura.src = 'https://script.anura.io/request.js?'+params.join('&');
        var script = document.getElementsByTagName('script')[0];
        script.parentNode.insertBefore(anura, script);
    }
})();
</script>

<script type="text/javascript" src="https://script.anura.io/request.js?instance={INSTANCE_ID}&source={MACRO}&campaign={MACRO}&{CACHEBUSTER}"></script>

<script type="text/javascript">
// use a defined optional callback function
function optionalCallbackFunction(response) {
    // if the response ID or EXID is available
    if (response.getId() || response.getExId()) {
        // get the result from Anura servers...
        getResult(response);
    }
}
// get the result from Anura servers using the response object
function getResult(response) {
    var method = 'POST';
    var params = ['instance=yourAssignedInstanceId'];
    if (response.getId()) params.push('id='+encodeURIComponent(response.getId()));
    if (response.getExId()) params.push('exid='+encodeURIComponent(response.getExId()));
    var url = 'https://script.anura.io/result.json'+('GET' === method ? '?'+params.join('&'): '');
    // internet explorer 8-9
    if (window.XDomainRequest) {
        var http = new XDomainRequest();
        if (http) {
            http.open(method, document.location.protocol === 'https:' ? url: url.replace('https:', 'http:'));
            http.onprogress = function(){}
            http.ontimeout = function(){}
            http.onerror = function(){}
            http.onload = function(){anuraResultHandler(this);}
            setTimeout(function(){http.send('POST' === method ? params.join('&'): '');}, 0);
        }
    // other browsers
    } else if (window.XMLHttpRequest) {
        var http = new XMLHttpRequest();
        if (http && 'withCredentials' in http) {
            http.open(method, url, true);
            if ('POST' === method) http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
            http.onload = function(){anuraResultHandler(this);}
            http.send('POST' === method ? params.join('&'): '');
        }
    }
}
// handle the Anura result
function anuraResultHandler(http) {
    // continue with your custom result handler...
}
</script>

<script type="text/javascript">
// use setInterval to check for the response object every 50 milliseconds
var interval = setInterval(function(){
    if ('object' === typeof optionalResponseObjectVariable) {
        // declare the response object when available
        var response = optionalResponseObjectVariable.getAnura();
        // if the response ID or EXID is available
        if (response.getId() || response.getExId()) {
            // clear defined intervals!
            clearInterval(interval);
            // get the result from Anura servers...
            getResult(response);
        }
    }
}, 50);
// get the result from Anura servers using the response object
function getResult(response) {
    var method = 'POST';
    var params = ['instance=yourAssignedInstanceId'];
    if (response.getId()) params.push('id='+encodeURIComponent(response.getId()));
    if (response.getExId()) params.push('exid='+encodeURIComponent(response.getExId()));
    var url = 'https://script.anura.io/result.json'+('GET' === method ? '?'+params.join('&'): '');
    // internet explorer 8-9
    if (window.XDomainRequest) {
        var http = new XDomainRequest();
        if (http) {
            http.open(method, document.location.protocol === 'https:' ? url: url.replace('https:', 'http:'));
            http.onprogress = function(){}
            http.ontimeout = function(){}
            http.onerror = function(){}
            http.onload = function(){anuraResultHandler(this);}
            setTimeout(function(){http.send('POST' === method ? params.join('&'): '');}, 0);
        }
    // other browsers
    } else if (window.XMLHttpRequest) {
        var http = new XMLHttpRequest();
        if (http && 'withCredentials' in http) {
            http.open(method, url, true);
            if ('POST' === method) http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
            http.onload = function(){anuraResultHandler(this);}
            http.send('POST' === method ? params.join('&'): '');
        }
    }
}
// handle the Anura result
function anuraResultHandler(http) {
    // continue with your custom result handler...
}
</script>

<?php
// define parameters
$params = array();
$params["instance"] = yourAssignedInstanceId;
$params["id"] = "yourResponseId";
// setup and initialize curl
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, "https://script.anura.io/result.json?".http_build_query($params));
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
// perform the request
$response = curl_exec($curl);
// close the curl connection
curl_close($curl);
// continue with your custom result handler...
?>