MaxMind minFraud PHP API

Description

This package provides an API for the MaxMind minFraud web services.

Install via Composer

We recommend installing this package with Composer.

Download Composer

To download Composer, run in the root directory of your project:

curl -sS https://getcomposer.org/installer | php

You should now have the file composer.phar in your project directory.

Install Dependencies

Run in your project root:

php composer.phar require maxmind/minfraud:^3.7.0

You should now have the files composer.json and composer.lock as well as the directory vendor in your project directory. If you use a version control system, composer.json should be added to it.

Require Autoloader

After installing the dependencies, you need to require the Composer autoloader from your code:

require 'vendor/autoload.php';

Install via Phar

Although we strongly recommend using Composer, we also provide a phar archive containing most of the dependencies for this API. The latest phar archive is available on our releases page.

Install Dependencies

Please note that you must have the PHP cURL extension installed to use this archive. For Debian based distributions, this can typically be found in the php-curl package. For other operating systems, please consult the relevant documentation. After installing the extension you may need to restart your web server.

If you are missing this extension, you will see errors like the following:

PHP Fatal error:  Uncaught Error: Call to undefined function MaxMind\WebService\curl_version()

Require Package

To use the archive, just require it from your script:

require 'minfraud.phar';

API Documentation

More detailed API documentation is available on our GitHub Page under the "API" tab.

Usage

This library provides access to both the minFraud (Score, Insights and Factors) and Report Transaction APIs.

minFraud API

To use the minFraud API, create a new \MaxMind\MinFraud object. The constructor takes your MaxMind account ID, license key, and an optional options array as arguments. This object is immutable. See the API documentation for the possible options.

For instance, to use the Sandbox web service instead of the production web service, you can provide the host option:

$mf = new MinFraud(1, 'ABCD567890', [ 'host' => 'sandbox.maxmind.com' ]);

Build up the request using the ->with* methods as shown below. Each method call returns a new object. The previous object is not modified.

If there is a validation error in the data passed to a ->with* method, an exception in the \MaxMind\Exception namespace will be thrown. This validation can be disabled by setting validateInput to false in the options array for \MaxMind\MinFraud, but it is recommended that you keep it on at least through development as it will help ensure that you are sending valid data to the web service. A value with the wrong type in an array argument, such as an array where a string is expected, is always rejected, except in custom inputs.

After creating the request object, send a Score request by calling ->score(), an Insights request by calling ->insights(), or a Factors request by calling ->factors(). If the request succeeds, a model object will be returned for the endpoint. If the request fails, an exception will be thrown.

See the API documentation for more details.

minFraud Exceptions

All externally visible exceptions are in the \MaxMind\Exception namespace. The possible exceptions are:

• InvalidInputException - This will be thrown when a ->with* method is called with invalid input data.
• AuthenticationException - This will be thrown on calling ->score(), ->insights(), or ->factors() when the server is unable to authenticate the request, e.g., if the license key or account ID is invalid.
• InsufficientFundsException - This will be thrown on calling ->score(), ->insights(), or ->factors() when your account is out of funds.
• InvalidRequestException - This will be thrown on calling ->score(), ->insights(), or ->factors() when the server rejects the request for another reason such as invalid JSON in the POST.
• HttpException - This will be thrown on calling ->score(), ->insights(), or ->factors() when an unexpected HTTP error occurs such as a firewall interfering with the request to the server.
• WebServiceException - This will be thrown on calling ->score(), ->insights(), or ->factors() when some other error occurs. This also serves as the base class for the above exceptions.

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