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MailDrop

What it is

MailDrop provides temporary disposable email addresses through the web and an API. The website says an inbox can be opened without registration, a phone number, or personal information. Users can set a custom prefix and choose from several domains; custom domains are not available. Inboxes refresh every 30 seconds and can receive HTML email, verification codes, and attachments for browser preview or download. Messages are temporary and deleted automatically, so the service advises against using these inboxes for long-term accounts such as banking. Its REST API can create temporary mailboxes and read incoming email. API keys authenticate requests, claimed mailboxes are readable only by the key that created them, and exhausted quotas return HTTP 429 with quota information in response headers. The free API plan is described as a permanent trial and requires no credit card. The Free plan includes 300 requests per day and one mailbox per 24 hours; Starter costs $5/mo and includes 30,000 requests per month and 10 mailboxes per 24 hours.

For and against

For

  • No registration or personal information required to open an inbox
  • Custom prefixes and several domains are available
  • Inbox refreshes every 30 seconds
  • Supports HTML email, codes, and attachments
  • API offers mailbox creation and message reading

Against

  • Messages are deleted automatically
  • Custom domains are not available
  • Not advised for long-term accounts such as banking

The verdict

MailDrop provides disposable inboxes for short-lived email needs and an API for temporary mailbox workflows. Its automatic deletion makes it unsuitable for keeping long-term account records.

Who it suits

MailDrop suits people who need temporary inboxes for sign-ups, verifications, downloads, trials, or forms. Its API and developer tools may also suit developers and privacy-conscious users.

Plans and prices

Free

Free

1 mailbox per 24h · all public domains · community support

Pay as you go

$1usage-based

No subscription · balance never expires · monthly spending cap

Starter

$5a month

30,000 requests / month · 10 mailboxes per 24h · all public domains · email support

Pro

$15a month

200,000 requests / month · 50 mailboxes per 24h · webhook notifications · priority support

Business

$49a month

1,000,000 requests / month · 200 mailboxes per 24h · webhook notifications · priority support & SLA

Every plan, in full

On the record

Account requirements
The website says no account, phone number, or personal information is required to open an inbox.maildrop.cx · read 3 Oct 2026
Address options
Users can set a custom email prefix and choose from several domains.maildrop.cx · read 3 Oct 2026
API
The REST API can create temporary mailboxes and read incoming email.maildrop.cx · read 3 Oct 2026
API access
API keys are sent as Bearer tokens in the Authorization header or in the X-API-Key header.maildrop.cx · read 3 Oct 2026
API authentication
API keys are accepted as Bearer tokens or through the X-API-Key header.maildrop.cx · read 14 Oct 2026
API endpoints
Documentation covers mailbox creation, message listing, individual-message retrieval, and account-usage inspection.maildrop.cx · read 14 Oct 2026
API errors
The API documents JSON error codes for authentication, quota, mailbox, subscription, and spending-cap failures.maildrop.cx · read 14 Oct 2026
API mailbox controls
API mailbox creation accepts optional prefix and public-domain suffix values, and claimed mailboxes are readable only by the creating key.maildrop.cx · read 14 Oct 2026
API mailbox privacy
The API documentation says claimed mailboxes are readable only by the key that created them.maildrop.cx · read 3 Oct 2026
API quota behavior
When a quota is exhausted, the API responds with HTTP 429 and exposes quota state in response headers.maildrop.cx · read 3 Oct 2026
App data disclosure
Google Play says the listed app may share location and personal data, collects personal information, encrypts data in transit, and does not allow data deletion.play.google.com · read 14 Oct 2026
Attachment handling
Received attachments can be previewed or downloaded in the browser.maildrop.cx · read 14 Oct 2026
Automatic deletion
Messages are retained temporarily and then deleted automatically.maildrop.cx · read 14 Oct 2026
Automatic refresh
The browser inbox refreshes itself every 30 seconds.maildrop.cx · read 14 Oct 2026
Custom prefixes
Users can choose a custom email prefix and select from several public domains.maildrop.cx · read 14 Oct 2026
Developer tools
The site lists free utilities including password, UUID, URL, WHOIS, header, identity, diff, breach-check, encoding, JSON, hash, timestamp, and QR tools.maildrop.cx · read 14 Oct 2026
External classification
UserCheck identifies maildrop.cx as a disposable or temporary email domain and recommends blocking such domains for signup-quality control.usercheck.com · read 14 Oct 2026
External domain fact
UserCheck lists CentralNic Ltd as the registrar for maildrop.cx and records a March 28, 2026 flag date.usercheck.com · read 14 Oct 2026

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