What's the Request Body the user should send while calling "Clearance API"?

What’s the Request Body the user should send while calling “Clearance API”?

The body object should Contain 2 Values: the first one is called “invoiceHash” and the second one is called “invoice”.
Example:

{
 ""invoiceHash"": ""string"",
 ""invoice"": ""string""
}

More information can be found on the Integration Sandbox section of the Developer Portal.