SAP Ariba Integration with External systems like Maximo

Hi All,

we have a requirement for integrating SAP Ariba with Maximo for sending PO, GR/IR postings and looking for Ariba Open API's (if there are any to serve the purpose).

Tried checking in the Ariba API portal https://developer.ariba.com/api/) but couldn't find anything related to what we are looking for. Can anyone share the details on the available open API's to integrate Ariba with external systems. Also, any documentation related to this topic is of great help.

Thank you.