Hi, @s-kris. We have a support guide about exploring our API here:
To summarize the solution for undocumented endpoints, just make whatever the change is using our web UI and then examine the network tab in developer tools to see exactly how the API call was made and how the JSON data sent to it is structured.
Here is an example using curl:
curl 'https://api.netlify.com/api/v1/hooks' -H 'Content-Type: application/json' \ -H 'Authorization: Bearer <REDACTED>' \ --data-raw '{"site_id":"<SITE_ID_HERE>","event":"submission_created","type":"url","data":{"url":"https://example.com/abc"},"form_id":"<FORM_ID_HERE>"}'