Frequently Asked Questions

Everything you need to know about ZuckMails temporary email service

General

What is ZuckMails?
ZuckMails is a free temporary email service that lets you create disposable email addresses instantly without registration. Perfect for signing up to websites, receiving verification codes, and protecting your real inbox from spam.
How does temporary email work?
You generate a random or custom email address, receive emails for a limited time, and all messages are automatically deleted after the expiry period. No personal information required.
Is ZuckMails free?
Yes! ZuckMails offers a free plan with 5 credits. For more credits and advanced features like custom aliases and webhooks, we offer Pro (99,000 VND/month) and Enterprise (299,000 VND/month) plans. See our pricing page for details.
Do I need to register?
The free plan requires an account to track credits. API users need an API key which can be generated from the Dashboard after registration.

Features

What is OTP extraction?
OTP extraction automatically parses incoming emails and extracts verification codes (OTP) from popular services like Facebook, Google, Instagram, Twitter, and more. Over 12 providers are supported, making it easy to grab codes without reading the full email.
Can I choose my own email address?
Custom email aliases are available on Pro and Enterprise plans only. Free plan users receive randomly generated addresses.
How long do emails last?
Email duration depends on your plan: Free plan emails last 10 minutes, Pro plan 15 minutes, and Enterprise plan 60 minutes. After expiry, emails are permanently deleted.
Do you support real-time inbox?
Yes, ZuckMails uses SSE (Server-Sent Events) for instant email notifications. New emails appear in your inbox in real-time without needing to refresh the page.
What domains are available?
ZuckMails offers multiple domains for your temporary email addresses. You can see the full list of available domains on the homepage.

API

Does ZuckMails have an API?
Yes, ZuckMails provides a full RESTful API for generating emails, checking inboxes, and extracting OTPs programmatically. See our API documentation for endpoints, examples, and authentication details.
How do I get an API key?
Register an account, then navigate to Dashboard > API Keys to generate your API key. You can create multiple keys and revoke them at any time.
What are credits?
Each email generation costs 1 credit. Free plan includes 5 credits, Pro includes 100 credits/month, and Enterprise includes 9999 credits. Credits are consumed when you create a new temporary email address.
Is there rate limiting?
Yes, authentication endpoints are limited to 10 requests per minute. Email generation is credit-based, so each request consumes 1 credit from your balance. See rate limit documentation for full details.

Privacy & Security

Is my data safe?
All emails are automatically deleted after their expiry period. We do not permanently store email contents. Your privacy is our priority.
Do you read my emails?
No. Only automated OTP extraction processes your emails to pull out verification codes. No human has access to your email contents at any time.
Can I delete my email early?
Yes, you can manually delete your temporary email at any time via the Dashboard or through the API. Once deleted, all associated messages are permanently removed.