PteroTheme/database/migrations/2016_01_23_195851_add_api_keys.php

<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class AddApiKeys extends Migration
{
    /**
     * Run the migrations.
     */
    public function up()
    {
        Schema::create('api_keys', function (Blueprint $table) {
            $table->increments('id');
            $table->char('public', 16);
            $table->text('secret');
            $table->text('allowed_ips')->nullable();
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down()
    {
        Schema::dropIfExists('api_keys');
    }
}