B2B checkout treats the buyer’s surname as optional, so payment session requests for B2B orders can omit family_name in shipping_address and billing_address . This affects payments apps that handle B2B orders through the Payments Apps API and currently require family_name in these addresses.
Summary extracted from the official source text. Verify details on the source page.
| Platform | Shopify |
|---|---|
| Effective date | No date published |
| Precision | n/a |
| Published | 2026-09-15 |
| Categories | Announcement |
| Tags | API, Payments Apps API, Update |
| Official source | Shopify developer changelog ↗ |
| Fetched | 2026-10-17T03:44:00+00:00 |
| First seen | 2026-10-17T01:05:46+00:00 |
| Status | Listed by the source |
| Stable ID | shopify-86de7eaf56 · JSON |