What changed
A relaxation. Existing payloads are unaffected.
Affects BulkUpsertMerchantCustomAttributesRequestMerchantCustomAttributeUpsertRequest reachable from 1 operation.
can now be null
Who is affected
Code that sends Square's BulkUpsertMerchantCustomAttributesRequestMerchantCustomAttributeUpsertRequest objects, used by 1 Square operation.
Before and after
| Where | Before | After |
|---|---|---|
| BulkUpsertMerchantCustomAttributesRequestMerchantCustomAttributeUpsertRequest.idempotency_key | string | null|string |
Based on Square’s published API specification. How severity is decided.