A webhook registered on the personal Trello Inbox board is created successfully (active=true) but never receives any action events when cards are added to the Inbox. consecutiveFailures stays 0 (Trello never even attempts delivery). An identical callback on a normal board delivers fine.
Repro:
- GET /1/members/me?fields=inbox → note inbox.idBoard
(board’s type is “inbox”). - POST /1/webhooks with idModel=,
callbackURL= → returns active:true. - Add a card to the Inbox (UI, or POST /1/cards into
inbox.idList). - Observed: no POST to the callback; webhook
consecutiveFailures stays 0. - Control: same callback on a regular board receives
createCard normally.
Expected: either Inbox board actions fire webhooks, or the API documents/rejects webhooks on type=“inbox” boards so integrators don’t get a silently-dead webhook.
Env: REST API; standard API key; token has full access to the Inbox board (can read it + its cards).