Cart and checkout validation adds billing address and PO number error targets
PricingUnverifiedAdded Sep 24, 2026
As of API version 2026-04, you can validate billing addresses and purchase order (PO) numbers in Cart and Checkout Validation Functions. We've added billing address and PO Number to the function input graph and introduced new checkout field targets.
Topics: Governance, Pricing, Developer tools
More Shopify developer platform releases
Every Shopify developer platform release| Date | Release | Type |
|---|---|---|
| Apr 1 | Add Prerequisites to Product Discount Functionsunverified Pricing | Pricing |
| Apr 1 | Add Tags to Discountsunverified Pricing | Pricing |
| Apr 1 | `expiresIn` field added to `DelegateAccessToken` typeunverified Update | Update |
| Apr 1 | Adding access field to StandardMetaobjectDefinitionTemplateunverified Update | Update |
| Apr 1 | App-owned metaobjects can be used without access scopesunverified Update | Update |
| Apr 1 | Removing outdated Polaris reference docsunverified Update | Update |
| Apr 1 | Metaobject access in Shopify Functionsunverified Update | Update |
| Apr 1 | Metafield translations now available via GraphQL Admin APIunverified Update | Update |
Also shipped on Apr 1, 2026
Shopify in April 2026| Date | Company | Release | Product | Type |
|---|---|---|---|---|
| Apr 1 |  Sentry | AI-Powered Dashboard Generation (Beta)unverified | Sentry | Beta |
| Apr 1 |  Grafana Labs | Revamped query editor experienceunverified | Grafana Cloud | Preview |
| Apr 1 |  Deepgram | New thought_signature field for Gemini function callingunverified | Deepgram | Update |
| Apr 1 | Deepgram | Exampleunverified | Deepgram | Update |
| Apr 1 | Deepgram | New volume parameter for Cartesia TTSunverified | Deepgram | Update |
| Apr 1 |  Fastly | April 2026 Documentation Changesunverified | Fastly | Update |
Sources: each vendor's own release notes, changelogs and GitHub releases, read daily to monthly by how often it posts. Logos via logo.dev; trademarks belong to their owners.