I'm attempting to create a note for an opportunity via the REST API.  I'm finding several examples for the SOAP API, but nothing that works using REST.  Using this API I am able to create a note, but can find no way to associate it with an opportunity ID:

https://developer.salesforce.com/docs/api-explorer/sobject/Note

Any help would be greatly appreciated.

I'm attempting to create a note for an opportunity via the REST API.  I'm finding several examples for the SOAP API, but nothing that works using REST.  Using this API I am able to create a note, but can find no way to associate it with an opportunity ID:

https://developer.salesforce.com/docs/api-explorer/sobject/Note

Any help would be greatly appreciated.