test.php

class AwesomeWrongApiWrapper
{
    const COMPANIES = [
        //
    ];

    private function invalidate()
    {
        foreach (self::COMPANIES as $companyId) {
            Cache::forget($this->getPositionKey($companyId));
        }
    }

    public function getPositions($companyId)
    {
        $key = $this->getPositionKey($companyId);

        $cached = Cache::get($key);
        if ($cached) {
            return $cached;
        }

        $response = $this->api->get('..');

        Cache::put($key, $response);

        return $response;
    }

    private function getPositionKey($companyId): string
    {
        return 'positions:' . $companyId;
    }

}