It was working normally and today it started giving this error

Domain is not correct:
https://”mysite”.com/wp-json/woocommerce_aliexpress_dropship/get_product_sku

Some possible causes are:
1- It’s blocked by a firewall plugin
2- REST API is disabled
3- Your site is not running on HTTPS
4- It’s blocked by your host’s firewall
5- You enter an incorrect domain(missing or redundant www. may also cause error)
6- Required plugin is not activated

Please read our guide for more details.