Is there a REST API to add contact for customers?

Summary:

Is there a REST API to add contact for exist customers?

Content (please ensure you mask any confidential information):

Does Oracle provide the REST API to add the contact for customers?

I use 'Upload Customers from Spreadsheet' to add the contacts only but error

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

Oracle Fusion Cloud Applications24B (11.13.24.04.0)

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