Update Customer with Service Provider relationship automatically.

Summary:

We have a requirement to update Customer or Supplier to update with Service provider information created for Collaboration messaging.

Content (please ensure you mask any confidential information):

Need a way to add Service provider relationship to Customers and Suppliers already existing in Bulk i.e. FBDI or Rest API

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):