MinuteMail
MinuteMail is a developer platform for testing email and authentication flows through a web interface or API.
What MinuteMail is
MinuteMail is a developer platform for testing email and authentication flows through a web interface or API. It creates isolated inboxes with lifetimes from 1 to 60 minutes; an omitted setting defaults to 15 minutes. Real-time SSE delivery and message lifecycle tracking help teams follow test emails. Its mock OAuth identity provider supports OAuth 2.0 authorization code flows, with optional PKCE. Developers can work with the REST API, official Python SDK, or MCP server; its setup guide covers Claude Code, Claude Desktop, and Cursor. Verified custom domains can be used for mailbox addresses, subject to plan limits, and API keys can be restricted by operation and permitted mailbox domains. MinuteMail says it uses encrypted connections and stored database data, hashed API keys, and row-level security. Expired temporary inboxes and their messages are permanently deleted; archived inboxes keep only the address. The free plan allows 50 API calls per day, two active inboxes, four archived inboxes, one mocked identity provider, and one custom domain.
Good
- Inbox lifetimes can be set from 1 to 60 minutes.
- Supports OAuth 2.0 authorization code flows and optional PKCE.
- Offers a REST API, Python SDK, and MCP server.
- Expired temporary inboxes and messages are permanently deleted.
Watch out
- Free plan allows 50 API calls per day.
- Free plan includes only two active mailboxes.
- The service advises against sensitive communications.
Who it suits
MinuteMail suits developers testing email delivery or OAuth flows who want configurable temporary inboxes and API or SDK access. Its free plan may suit small-scale testing, while higher plans list larger daily call and mailbox limits.
Verdict
MinuteMail combines short-lived test inboxes with email-flow tracking and mocked OAuth support. Check the plan limits and use it only for temporary, non-sensitive communications.
Plans and prices
From MinuteMail's own pricing page, checked 7 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Hobbyist | $86 a year | 1,000 API calls per day · 10 active mailboxes · 20 archived mailboxes · 3 mocked identity providers · 2 custom domains · REST API, SDK & MCP access · $86/year (shown with $108) |
| Pro | $278 a year | 10,000 API calls per day · 50 active mailboxes · 100 archived mailboxes · 10 mocked identity providers · 5 custom domains · REST API, SDK & MCP access · $278/year (shown with $348) |
| Team | $950 a year | 60,000 shared API calls per day · 300 shared active mailboxes · 600 shared archived mailboxes · 25 mocked identity providers · 20 custom domains · up to 5 team members · REST API, SDK & MCP access · $950/year (shown with $1188) |
| Free | — | 50 API calls per day · 2 active mailboxes · 4 archived mailboxes · 1 mocked identity provider · 1 custom domain · REST API, SDK & MCP access · $0/year |
The facts
Each one read from MinuteMail's own pages, with the date it was checked.
What it does
- Access methods
- MinuteMail offers a web interface, REST API, official Python SDK, and MCP server.checked 7 Oct 2026
- API key controls
- API keys can be restricted by operation scope and allowed mailbox domains.checked 7 Oct 2026
- Custom domains
- Accounts can use verified custom domains for mailbox addresses, subject to plan limits.checked 7 Oct 2026
- Data retention
- Temporary mailboxes and messages are permanently deleted when they expire, while archived mailboxes retain only the email address and no messages.checked 7 Oct 2026
- Intended use
- MinuteMail advises using the service for temporary, non-sensitive communications.checked 7 Oct 2026
- Mailboxes
- It provides isolated test inboxes with configurable lifetime, real-time SSE delivery, and message lifecycle tracking.checked 7 Oct 2026
- Mailbox lifetime
- Mailbox lifetime can be set from 1 to 60 minutes, with a 15-minute default when omitted.checked 7 Oct 2026
- MCP integrations
- The MCP setup guide documents connections for Claude Code, Claude Desktop, and Cursor.checked 7 Oct 2026
- OAuth testing
- Its mock OAuth identity provider supports OAuth 2.0 authorization code flows and optional PKCE.checked 7 Oct 2026
- Privacy
- The privacy policy says MinuteMail does not store IP addresses in its databases or sell data to third parties.checked 7 Oct 2026
- Purpose
- MinuteMail is a developer testing platform for email and authentication flows.checked 7 Oct 2026
- Security
- MinuteMail states that it uses HTTPS/TLS in transit, database encryption at rest, hashed API keys, and row-level security for tenant isolation.checked 7 Oct 2026
- Support
- The privacy policy lists [email protected] for questions and data requests.checked 7 Oct 2026
Alternatives to MinuteMail
- 1
EmailOnDeck
Free planAndroidiOSWebAPI8.1Free plan - 2
Guerrilla Mail
Free planOpen sourceAndroidWebAPIExtension8.1From $9.99 a year - 3
Mailinator
Free planAndroidWebAPIExtension7.8From $79 a month - 4
SecureTempMail
Free planWebAPIExtensionLinux7.8From $39 a year - 5
1SecMail
Free planAndroidWebAPIExtension7.7From $35.99 a year - 6
Mohmal
Free planWeb7.5From $35.99 a year