Fields removed in POST /v2/checkout/orders/order-update-callback (order_update_callback_response): [purchase_units]

What changed

Fields removed in POST /v2/checkout/orders/order-update-callback (order_update_callback_response): [purchase_units] Affected surface: POST /v2/checkout/orders/order-update-callback. Root cause: schema `order_update_callback_response`. Detected at Tue, 07 Apr 2026 22:37:23 UTC UTC.

Diff

{
  "path": "POST /v2/checkout/orders/order-update-callback",
  "removed_fields": [
    "purchase_units"
  ],
  "schema_path": "schema order_update_callback_response"
}

Likely impact

The contract still holds, but observable behavior shifted — defaults, response timing, or rate-limit shaping. Existing code keeps compiling and most calls keep working, but edge cases may differ. Worth a sanity check.

Recommended action

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