Status: IN
DynamoDB has four throttling scenarios: (1) key range throughput exceeded (both modes), (2) provisioned throughput exceeded (provisioned only), (3) account-level service quotas exceeded (on-demand only), and (4) on-demand max throughput exceeded (on-demand only).
Source: entries/2026/03/11/amazondynamodb-latest-developerguide-TroubleshootingThrottlinghtml.md