Required fields removed in POST /inbound_mail_items/{inbound_mail_item_id}/action (inbound_mail_item)

What changed

Required fields removed in POST /inbound_mail_items/{inbound_mail_item_id}/action (inbound_mail_item) Affected surface: POST /inbound_mail_items/{inbound_mail_item_id}/action. Root cause: schema `inbound_mail_item`. Detected at Tue, 28 Apr 2026 23:52:23 UTC UTC.

Diff

{
  "path": "POST /inbound_mail_items/{inbound_mail_item_id}/action",
  "removed_fields": [
    "lockbox_id"
  ],
  "schema_path": "schema inbound_mail_item"
}

Likely impact

This is an additive change. Existing integrations are unaffected; this is mostly useful if you want to take advantage of the new surface.

Recommended action

No action required, but you can drop the field from request payloads to keep them tidy.