We have an api with the CRM for more than 6 months now.

We used paths starting with: 

https://www.zohoapis.com/crm/v2/CustomModule

But a few days ago, the api start sending me an error 401.

After  breaking our heads by pure luck we found out that the issue was that we are not able to access the https, we can access again the api, but using paths with out the https like:

http://www.zohoapis.com/crm/v2/CustomModule

Do you know about any issue with the https on your api? When I navigate on a explorer it does not seems to have issues.

Thank you.