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WHMCS API

GitHub release (latest by date) Tests GitHub Downloads

A testable WHMCS API designed to run standalone or as part of a Laravel Application

Requirements:

  • PHP 8.2
  • WHMCS

Installation

composer require eugenefvdm/whmcs-api

Publish the configuration file:

php artisan vendor:publish --provider="Eugenefvdm\Whmcs\WhmcsServiceProvider"

Configuration Settings whmcs.php

<?php

return [
    'url' => env('WHMCS_URL'),
    'api_identifier' => env('WHMCS_API_IDENTIFIER'),
    'api_secret' => env('WHMCS_API_SECRET'),
    'limitnum' => env('WHMCS_LIMITNUM', 10000),
    'debug' => env('WHMCS_DEBUG'),
];

WHMCS_URL should be without the trialing slash.

WHMCS Setup

Allow the IP address of the system connecting to WHMCS:

Systems Settings => General => Security => API IP Access Restriction

Create API permissions:

System Settings => API credentials => Generate New API Credential

Example API permissions required:

  • addclient
  • getclientsdetails
  • getclientsdomains
  • custom list of API calls you are developing

Example, creating a new client with custom fields:

test('it can create a new client in WHMCS', function () {
    $customfields = base64_encode(
        serialize(
            [
                8 => '50-100',
            ]
        )
    );

    $client = [
        'firstname' => $this->faker->firstName,
        'lastname' => $this->faker->lastName,
        'email' => $this->faker->email,
        'address1' => $this->faker->numberBetween(1, 100).' '.$this->faker->streetName,
        'address2' => $this->faker->secondaryAddress,
        'city' => $this->faker->city,
        'state' => $this->faker->state,
        'postcode' => $this->faker->postcode,
        'country' => config('whmcs.default_country'),
        'phonenumber' => $this->faker->phoneNumber,
        'password2' => bin2hex(random_bytes(8)),
        'customfields' => $customfields,
    ];

    $result = Whmcs::addClient($client);

    expect($result)->toHaveKey('result')
        ->and($result['result'] == 'success');
})->only();

Custom API calls

WHMCS removed the ability to add custom API calls, but there is a hack to get it working again.

An example of a custom API call would be to get a client by their phone number. Let's call this getclientbyphonenumber. At least two steps are required.

  1. Create a custom API call
  2. Inject the permission into the database

Example custom API call

Save the example code below here: includes/api/getclientbyphoneumber.php

<?php

use WHMCS\Database\Capsule;

if (!defined("WHMCS"))
    die("This file cannot be accessed directly");

try {
    $client = Capsule::table('tblclients')
        ->where("phonenumber", $_REQUEST['phonenumber'])
        ->first();

    if ($client) {
        $apiresults = [
            "result" => "success",
            "message" => "ok",
            'clientid' => $client->id,
        ];
    } else {
        $apiresults = [
            "result" => "error",
            "message" => "not found",
        ];
    }
} catch (Exception $e) {
    $apiresults = ["result" => "error", "message" => $e->getMessage()];
}

Next to use the custom API call getclientbyphonenumber you need to manually update tblapi_roles and add it there.

Also remember to update it every time again you make a changes in the UI because the UI will overwrite the custom API call.

In the example below, the JSON in the database has been updated to include the new API call getclientbyphonenumber.

{"addclient":1,"getclientsdetails":1,"getclientbyphonenumber":1}

If you haven't added the PHP file yet, you'll get API Function Not Found.

Examples

Framework Agnostic PHP

<?php

use Eugenefvdm\WhmcsApi\WhmcsApi;

require 'vendor/autoload.php';

$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
$dotenv->load();

$server = [
    'url'            => env('WHMCS_URL'),
    'api_identifier' => env('WHMCS_API_IDENTIFIER'),
    'api_secret'     => env('WHMCS_API_SECRET'),
];

$api = new WhmcsApi($server);

$result = $api->getClients();

Laravel

Publish the configuration file:

php artisan vendor:publish --tag=whmcs-config

Changelog

See CHANGELOG for more information on what has changed recently.

Features

Set Server

Provides the ability to connect to a secondary WHMCS server away from the Facade initiation

Whmcs::setServer([
    'url'            => env('WHMCS_URL2'),
    'api_secret'     => env('WHMCS_API_SECRET2'),
    'api_identifier' => env('WHMCS_API_IDENTIFIER2'),
])

Change Package

Change Package

Framework Agnostic PHP:

$newServiceId = 5;

$api = new WhmcsApi;
$api->changePackage($newServiceId);

Laravel App:

Change server

Since we're using a Facade instantiated when it's called, we need some other way to call the constructor when we're connecting to another server.

public function setServer($server) {
        $this->url            = $server['url'];
        $this->api_identifier = $server['api_identifier'];
        $this->api_secret     = $server['api_secret'];
    }
$newServiceId = 5;

WhmcsApi::changePackage($newServiceId);

Result:

A new package is applied to the service. If the package is linked to an API, the API will be called.

Testing

Before testing, please ensure you have copied over the .env.example file to .env as the tests use dotenv.

cp .env.example .env

Debugging

Set WHMCS_DEBUG=true in your .env file to enable debugging. This will output to Spatie Ray if it's installed.

Running the tests

./vendor/bin/pest

To test custom API actions, use a script such as the following:

sh .scp updateclientaddon.php;./vendor/bin/pest

The .scp file should have a copy command, e.g.:

#!/bin/bash
echo "Present Working Directory:"
pwd
echo "Copying $1 to WHMCS install directory"

cp includes/api/$1 ../whmcs/includes/api
echo "Done."
ls -la ../whmcs/includes/api/$1

No errors on API actions but not working

API actions are difficult to troubleshoot if you don't observe the server log file. Only some exceptions, e.g., model problems will be caught by the Try Catch block. So help tail your server log file. For example, if you're using Laravel's Valet's Nginx server, do this:

tail -f ~/.valet/Log/nginx-error.log

Invalid IP 127.0.0.1

If you get Invalid IP 127.0.0.1 that means you haven't allowed WHMCS API access from localhost.

Navigate here: https://whmcs.test/admin/configgeneral.php and make sure you add 127.0.0.1 to API IP Access Restriction.

Invalid or missing credentials

If you get Invalid or missing credentials that means you haven't added API roles and API credentials. Both are required before you can test. Also be sure to add them to your .env file:

WHMCS_API_IDENTIFIER=
WHMCS_API_SECRET=

Invalid Permissions: API action "addclient" is not allowed

If you get Invalid Permissions: API action "addclient" is not allowed that means, although you've added API roles and credentials, your roles are not set up properly for the API call. Revisit roles and the requisite subsection and see where you have to click the checkbox to allow this API call.

Storage folder examples

The storage folder has examples API responses, also used for caching during tests.

Local Editing

For local editing, add this to composer.json:

"repositories" : [
        {
            "type": "path",
            "url": "../whmcs-api"
        }
    ],

Then in require section:

"eugenefvdm/whmcs-api": "dev-main",

Then do this to symlink:

composer require eugenefvdm/whmcs-api:dev-main

License

MIT

Author

hello (at) eugenefvdm.com
https://eugenefvdm.com
+27 82 309–6710
I am a Laravel, hosting, and WHMCS specialist. Contact me any time for assistance.