End-to-end encryption for Vercel Workflow (opens in new tab)

# End\-to\-end encryption for Vercel Workflow **Published:** March 17, 2026 | **Authors:** Pranay Prakash, Nate Rajlich --- Vercel Workflow now encrypts all user data end-to-end without requiring any code changes. Workflow inputs, step arguments, return values, hook payloads, and stream data are automatically encrypted before being written to the event log. This makes it safe to pass sensitive data, such as API keys, tokens, or user credentials, across boundaries. The event log only ever ...