curl -v \
    -d '{"Channel_Name": "#fun-zapier"}' \
    -H "Content-Type: application/json" \
    -X POST 'https://actions.zapier.com/api/v1/dynamic/exposed/01GTB1KMX72QTJEXXXXXXXXXX/execute/'
Another example, this time an action to retrieve data:

To run an action in a deterministic way, set all params to a fixed value.

This action will execute with the provided params without any AI completions.