ItemsPUT /api/v1/items/{id}/custom-fields/{fieldKey}/filePUT /api/v1/items/{id}/custom-fields/{fieldKey}/file PUT /api/v1/items/:id/custom-fields/:fieldKey/file PUT /api/v1/items/{id}/custom-fields/{fieldKey}/file Request Responses200400403404500OKBad RequestForbiddenNot FoundInternal Server Error