setAccessKey("your ak"); $client->setSecretKey("your sk"); $body = [ 'NumberPoolNo' => 'NP167092127702825445', 'PhoneNoA' => '13700000001', 'PhoneNoB' => '13700000002', 'UserData' => 'this is my user data', 'CityCode' => '010', 'ExpireTime' => '1675996797', ]; $response = $client->SelectNumberAndBindAXN($body); echo $response;