otpmagiclink blog
Guides & deep dives on passwordless auth
Honest comparisons, drop-in tutorials, and behind-the-scenes engineering notes from the team building otpmagiclink.com.
- 9 min read
MailSlurp Alternative for Playwright OTP Testing
MailSlurp is powerful but generic and expensive. Here's an honest comparison against a Playwright-focused OTP testing SDK — pricing, DX, isolation, and time-to-first-passing-test.
playwrightmailslurpcomparisontestingotp - 12 min read
Playwright Magic Link Testing — The Complete Guide (2026)
How to test email magic-link authentication in Playwright. Covers Auth.js, Better Auth, Clerk, Supabase, and Resend. Real email delivery, no bypasses, no hardcoded tokens.
playwrightmagic-linktestingauthenticatione2e - 10 min read
How to Test Better Auth in Playwright (Email OTP, Magic Links, and 2FA)
A complete Playwright testing guide for Better Auth — the fastest-growing auth library for Next.js. Real OTP flows, magic links, and MFA, without hardcoded codes or backend bypasses.
playwrightbetter-authtestingotpnextjse2e - 9 min read
How to Test Clerk Email OTP in Playwright (Without the Test-Mode Trap)
A practical guide to end-to-end testing Clerk auth flows in Playwright. Real OTPs, real magic links, real dashboards — without paying for test-mode API credits or hardcoding codes.
playwrightclerktestingotpe2e - 8 min read
How to Test OTP Flows in Playwright (Without Mocking or Flaky Tests)
A practical guide to end-to-end testing OTP and magic-link authentication in Playwright. Covers Better Auth, Clerk, Auth.js, and how to avoid the flaky-inbox problem.
playwrighttestingotpe2eauthentication