FlimsyMail
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No signup · Inbound-only

Temporary email that developers actually trust

Open a free public inbox instantly — no signup. Sign in for private API inboxes, webhooks, and OTP extraction. We receive mail, never send it.

Sign in for private API inboxes
Inbound-onlyNo outbound sendNo adsMagic-link auth8-day retention

Two paths, one engine

Anonymous free web inbox or signed-in developer API.

Free inbox

Open an inbox in 2 seconds

  • No signup, no password
  • Type any name — mail arrives instantly
  • Public inbox — use Random for privacy
  • 8-day auto-delete
Developer API

Private inboxes for your tests

  • Sign in with magic link or GitHub
  • API keys + private inboxes only you can read
  • Webhooks, OTP extraction, CI/CD SDKs
  • Inbound-only infrastructure

Instant

Every address already exists. Type a name and read mail.

Inbound-only

We receive email. No outbound send, no spam relay.

Alias privacy

Hide your inbox name with a random alias.

Simple pricing. Sign in to unlock the API.

Free public inboxes need no account. API, private inboxes, and webhooks require sign-in — magic link or GitHub, no password. Paid plans are coming soon; Business can reach sales@flimsymail.com.

Free

$0

Public inboxes + limited API access

  • 5 private inboxes
  • 100 messages / mo
  • 10 API req/min
  • Account required: API only

Developer

Most popular

$9/mo

Private inboxes, webhooks, OTP extraction

  • 50 private inboxes
  • 10,000 messages / mo
  • 120 API req/min
  • Account required: Yes

Pro

$29/mo

Higher limits for production workloads

  • 500 private inboxes
  • 100,000 messages / mo
  • 600 API req/min
  • Account required: Yes

Business

$99/mo

Team-scale volume and priority support

  • 5,000 private inboxes
  • 500,000 messages / mo
  • 3000 API req/min
  • Account required: Yes

Self-serve paid plans are delayed. Free tier and API (within free limits) are available now. Outbound send is not available on any tier.

Why FlimsyMail

Free public inboxes. Private authenticated API. Inbound-only infrastructure.

FeatureTemp-mail sitesFlimsyMailMailSaas APIs
Free public inbox (no signup)✓✓—
Ad-free UIOften ads✓✓
Private API inboxes—✓ (sign-in)✓
OTP / verification helpers—✓✓
Webhooks + Playwright SDK—✓Varies
Inbound-only (no send)Varies✓ policyOften send APIs
Simple pricingFree / ads✓Higher ARPU

FAQ

No. Type a name and open your inbox instantly. Sign-in is optional — required only for the API and private inboxes.