A simple Avito REST client library and example for PHP.
API Documentation https://developers.avito.ru/api-catalog
Via Composer:
composer require progdog-ru/avito-rest-api-php
<?php
require 'vendor/autoload.php';
use Avito\RestApi\ApiClient;
use Avito\RestApi\Storage\FileStorage;
// API credentials from https://www.avito.ru/professionals/api
define('API_CLIENT_ID', '');
define('API_CLIENT_SECRET', '');
define('PATH_TO_ATTACH_FILE', __FILE__);
$AvitoApiClient = new ApiClient(API_CLIENT_ID, API_CLIENT_SECRET, new FileStorage());