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Head-to-head · Disposable Email Services

Temp Mail API vs EmailOnDeck

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
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
EmailOnDeck #5 in Disposable Email Services 8.5/10 Free plan · paid from 0.00 BTC BTC Free plan✓ 3 of 4 features Visit EmailOnDeck

Temp Mail API leads on 0 checks, EmailOnDeck on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTemp Mail API · 9.0/10
  • Free planboth
  • Most featuresTemp Mail API · 4 of 4

Temp Mail API scores higher on our rubric for disposable email services: 9.0 against 8.5 out of 10; our editors rank them #2 and #5.

On inbox lifetime, Temp Mail API gives you Days where EmailOnDeck offers Hours.

Temp Mail API is the better fit for developers building disposable-email workflows. EmailOnDeck is the better fit for users wanting broad disposable-email access.

  • Temp Mail API fits best

    Developers building disposable-email workflows

  • EmailOnDeck fits best

    Users wanting broad disposable-email access

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Temp Mail API 9.0/10 Visit ↗ EmailOnDeck 8.5/10 Visit ↗
At a glance
Editor score 9.0 8.5
Ranking #2 in Disposable Email Services #5 in Disposable Email Services
Best for Developers building disposable-email workflows Users wanting broad disposable-email access
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Mobile, Browser extension
Platforms Web Web, iOS, Android, Chrome extension
Support Email, Docs Email, Docs
Compliance GDPR SOC 2, PCI DSS
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features Temp Mail API 4/4 · EmailOnDeck 3/4
Custom address ✓ ✓
API access ✓ ✓
Custom domain ✓ (best) Not checked yet
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
  • Free addresses without registration across web, mobile, and extensions
  • Pro supports custom, saved, and longer-term email addresses
  • API access, attachments, raw-message viewing, and Pro sending
Cons
  • API access requires the Plus subscription
  • Active inboxes are limited to 10
  • Inbox lifetimes are measured in days
  • Free access is ad supported and limited to one email at a time
  • Temporary addresses and messages are periodically deleted
  • Pro pricing is denominated in Bitcoin and changes over time
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 →

EmailOnDeck provides disposable email addresses and temporary web inboxes for verification messages, sign-ups, downloads, and other short-lived communications. It is designed for users who want temporary email access without registration,…

Read the review →
  1. Temp Mail APIDisposable Email Services 9.0Free plan
  2. EmailOnDeckDisposable Email Services 8.5Free plan · paid from 0.00 BTC BTC

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
  • EmailOnDeck — where it wins

    • Free addresses without registration across web, mobile, and extensions
    • Pro supports custom, saved, and longer-term email addresses
    • API access, attachments, raw-message viewing, and Pro sending

    Where it doesn't

    • Free access is ad supported and limited to one email at a time
    • Temporary addresses and messages are periodically deleted
    • Pro pricing is denominated in Bitcoin and changes over time

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update