get
https://checkout.rch.how/v2.22/getRate
Fetches information about a single rate offer. This will return information about the rate offer so long as it exists, even if it has expired.
If present, the getRate request structure was invalid and unable to be parsed.
If present, a value of the request was unable to be found. For example, if the MerchantId provided could not be found in the given environment
There was a system problem and the request should be tried again.