Does Trello remove duplicates in the webhook callback URL to the same model? I have a Trello Board that was added a webhook callback URL several times but with the same callback URL value. So when the board is updated, will Trello call the callback URL only once for each unique callback URL or once for every duplicate value of the callback URL?
If you attempt to create a webhook for the same idModel, token and callback URL, the request will fail with an HTTP 400 error and message "A webhook with that callback, model, and token already exists".
Otherwise, if you create multiple hooks where any of those are different, Trello will call all of them.
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