How Klaviyo shipped 356 internal apps in two weeks on Vercel

Susan AzizVercel

·September 24, 2026

How Klaviyo shipped 356 internal apps in two weeks on Vercel

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Susan Aziz

Vercel

Writes for Vercel. Part of the Tech Report engineering index.

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How Klaviyo shipped 356 internal apps in two weeks on Vercel

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