Temp Mail API vs MailTub

Temp Mail API9.0Visit MMailTub8.3Visit

Higher score Temp Mail API #2 in Disposable Email Services 9.0/10 Free plan Free plan✓ 4 of 4 features Visit Temp Mail API

vs

M MailTub #7 in Disposable Email Services 8.3/10 Open source ✓ 4 of 4 features Visit MailTub

• Temp Mail API fits best

  Developers building disposable-email workflows

• MailTub fits best

  Self-hosters needing configurable mailboxes

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Side by side

Feature	Temp Mail API 9.0/10 Visit ↗	MMailTub 8.3/10 Visit ↗
At a glance
Editor score	9.0	8.3
Ranking	#2 in Disposable Email Services	#7 in Disposable Email Services
Best for	Developers building disposable-email workflows	Self-hosters needing configurable mailboxes
Pricing model	Free plan + paid	Free
Starting price	—	Open source
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Cloud	Self-hosted, Desktop, Mobile
Platforms	Web	Web, Windows, macOS, Linux, iOS, Android
Support	Email, Docs	Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features Temp Mail API 4/4 · MailTub 4/4
Custom address	✓	✓
API access	✓	✓
Custom domain	✓	✓
Attachments supported	✓	✓
Specs
Inbox lifetime	Days	Hours
Max active inboxes	10	Not checked yet
Our review
Pros	Parses HTML, plain text, attachments, and raw email source Official Python, PHP, Go, and .NET libraries Works with CI tools, browser automation, and an MCP server	Configurable mailbox expiry from one hour to seven days REST API, CLI, WebSocket delivery, and email exports Attachments, SMTP STARTTLS, admin controls, and Prometheus metrics
Cons	API access requires the Plus subscription Active inboxes are limited to 10 Inbox lifetimes are measured in days	Self-hosted deployment requires operators to manage the infrastructure Mailbox expiry is limited to a maximum of seven days Its narrow focus may not suit teams seeking broader email workflows
Our verdict	Temp Mail API is a disposable email service built for developers who need to create and manage temporary inboxes through REST and JSON APIs. It supports receiving and parsing incoming messages, validating addresses, managing inbox… Read the review →	MailTub is an open-source, self-hosted disposable email service for developers, QA teams, and operators who need temporary inboxes under their own infrastructure. It runs as a single Go binary with SQLite and an embedded React interface,… Read the review →

Strengths and trade-offs

• Temp Mail API — where it wins

  • Parses HTML, plain text, attachments, and raw email source
  • Official Python, PHP, Go, and .NET libraries
  • Works with CI tools, browser automation, and an MCP server

  Where it doesn't

  • API access requires the Plus subscription
  • Active inboxes are limited to 10
  • Inbox lifetimes are measured in days

• MailTub — where it wins

  • Configurable mailbox expiry from one hour to seven days
  • REST API, CLI, WebSocket delivery, and email exports
  • Attachments, SMTP STARTTLS, admin controls, and Prometheus metrics

  Where it doesn't

  • Self-hosted deployment requires operators to manage the infrastructure
  • Mailbox expiry is limited to a maximum of seven days
  • Its narrow focus may not suit teams seeking broader email workflows

• Temp Mail API9.0/10 · Free plan

  A developer-focused disposable email service with strong parsing and automation support.

  Visit Temp Mail APIFull verdict →
• MMailTub8.3/10 · Open source

  A configurable, developer-focused disposable mail service for self-hosted deployments.

  Visit MailTubFull verdict →