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What is ZeroDrop?

ZeroDrop gives your Playwright and Cypress tests a real email inbox — instantly. Send a verification email, catch it at the edge, extract the OTP automatically, and complete the flow. No Docker container. No SMTP server. No mocking.

Quick install

Get started

Quick Start

Install the SDK and write your first email test in under 5 minutes.

Playwright

Full guide for email verification, OTP, and password reset flows in Playwright.

GitHub Actions

Add a disposable inbox to your CI pipeline with one Action.

SDK Reference

Full API documentation for zerodrop-client.

How it works

  1. Generate an inbox — local, instant, no network request
  2. Send an email — your app sends a real verification email
  3. Catch it at the edge — Cloudflare Worker catches it, Llama 3.1 filters spam
  4. Auto-extract OTP — stored alongside the email, ready to use
  5. Sub-second delivery — SDK uses SSE, falls back to polling

Zero telemetry

ZeroDrop does not track your test suites, build environments, project names, or CI runner metadata. Your CI pipeline is your business.