You can retrieve the namespace URL with the following steps:
- Sign into your SAP Business ByDesign account.
- From the left menu, go to Application and User Management > Input and Output Management > Service Explorer.
- On the Service Explorer page, in the search box, enter Maintain customer invoice requests.
- From the retrieved results, select Maintain customer invoice requests, and click Download WSDL.
- From your local drive, open the downloaded file in a text editor.
- Search for the MCS ID within the file (example: YRKZ39MHY).
- Find the URL that contains this value (example: http://0017824186-one-off.sap.com/YRKZ39MHY_)
- Copy the URL up to the MCS ID (http://0017824186-one-off.sap.com/ from the example above) and this will be your Namespace URL.