How Clipboard migrated 46M monthly notifications from Braze to Knock

Clipboard, a platform connecting workplaces with flexible workers, migrated its high-volume notification system from Braze to Knock after limited visibility into delivery failures and missing transactional features made it difficult to troubleshoot time-sensitive push, email, and SMS messages. Led by two Platform engineers, the company built shared tooling, an audit system, a notification client, migration automation, and preconfigured workflows that allowed teams across the organization to move with minimal disruption. Knock provided detailed provider-level delivery logs, cross-channel preference management, idempotency, batching, digests, and version-controlled templates, enabling both engineers and support staff to diagnose notification issues independently. The migration decommissioned Braze in August 2026, removed more than 35,000 lines of code, consolidated all customer messaging onto Knock, enabled a successful single-cutover SMS transition, and simplified a company-wide rebrand through centralized templates. Clipboard now plans to expand its messaging capabilities with a notification center, richer in-app messaging, and more granular tenant-level preferences.

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