One of the APIs that my application is trying to connect is using Let’s Encrypt as SSL Certificates.
When my application running on IIS 8.0 tries to connect this API, I get below error.
The request was aborted: Could not create SSL/TLS secure channel
When I asked the API owner how to fix, they told that I need to add let’s encrypt as Trusted CA on my staging server.
Does it mean that I need to create a let’s encrypt certificate for my staging server, bind it to the application and then try connecting to the API? Or I just need to download the intermediate certificate from your certificate store and import this into repository.
I am new on this so concrete information will be hugely appreciated.