Response schema changed for POST /simulations/inbound_mail_items (sandbox_create_an_inbound_mail_item_parameters)

What changed

Response schema changed for POST /simulations/inbound_mail_items (sandbox_create_an_inbound_mail_item_parameters) Affected surface: POST /simulations/inbound_mail_items. Root cause: schema `sandbox_create_an_inbound_mail_item_parameters`. Detected at Tue, 28 Apr 2026 23:52:23 UTC UTC.

Diff

{
  "added_fields": [
    "lockbox_address_id",
    "lockbox_recipient_id"
  ],
  "path": "POST /simulations/inbound_mail_items",
  "schema_path": "schema sandbox_create_an_inbound_mail_item_parameters"
}

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

Diff your serializers against the new schema. The diff above shows what moved.