I have provided detail via private message that billtoID of the contract is not where partner is associated with. Please work with account team who can help you further. I have provided example of billtoID which you can request account ...
Could you please provide me below information via private message so i can assist you with best?
Please provide information with best of your knowledge
CCOID for the user who is looking for access:
Partner company name:
Sorry for delay in reply. I am trying to replicate and would like to know if you are having issue with customer-info/customer-details or any other API. So, I can reach out to team accordingly for all APIs that you have question with.