Trello Card Attachments API Get attachments related to a given card $api->cards()->attachments()->all(string $id, array $params) Add an attachment to a given card $api->cards()->attachments()->create(string $id, array $params) Get a given attachment on a given card $api->cards()->attachments()->show(string $id, string $attachmentId) Remove a given attachment from a given card $api->cards()->attachments()->remove(string $id, string $attachmentId) Set a given attachment as cover of a given card $api->cards()->attachments()->setAsCover(string $id, string $attachmentId)