You can't do that with the Data API.
The OData interface allows you to do that. @steve_ssh has posted recently about using odata.
I looked at it for a project earlier this year but choose to use the Data API to pass CSV files to containers, rather than process the records individually via the API. You can follow Steve and I discussing that in this thread. Fastest way to get data into FileMaker Cloud via the Data API? - #12 by Malcolm
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