We're announcing our internal developer platform for both staging and production today.
The Products page allows data entry of a loan. A number of our partners have already been using it as an alternative to Postman since it supports file upload, date picker and so on.
This can also serve as a guideline of the API's available that you can hit.
Similarly, on the Services page, you can see try out all the services that have been enabled for your account as well.
For access to the Products and Services data entry, ask for access to Console