Build vs Buy Authentication: The Real Cost of Rolling Your Own Auth
Part 1 of 2: the real cost of building your own authentication — build time, endless maintenance, breach liability, compliance, and 3-year TCO — versus buying Clerk.
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Build vs Buy Authentication: The Real Cost of Rolling Your Own Auth - Part 2
Part 2 of 2: build vs. buy authentication compared feature by feature, when each makes sense, how to choose a provider, and where Clerk fits, with code to first login.
Authentication + Billing: How Clerk and Stripe Work Together
Clerk Billing's native Stripe integration puts plan and feature entitlements on the session token you already verify. Part 1 covers the architecture and a B2C paywall setup.
Authentication + Billing: How Clerk and Stripe Work Together - Part 2
Part 2 of Clerk's Stripe billing guide: B2B organization plans and roles, billing webhooks, current limitations, and the build-vs-buy math versus wiring up Stripe yourself.
Clerk vs AWS Cognito: Developer Experience vs Scale Economics
Part 1 of 3: Clerk vs AWS Cognito on developer experience — drop-in components, Next.js 16 SSR, session management, and building a custom sign-in with MFA.
Clerk vs AWS Cognito: Developer Experience vs Scale Economics - Part 2
Part 2 of 3: Clerk vs AWS Cognito on enterprise architecture — B2B multi-tenancy, per-tenant SSO, RBAC, and SCIM Directory Sync, and where Cognito gets hard.