Dev tools · March 31, 2026

PostMX

API for inboxes for OTPs, magic links, and email testing

Visit site ↗Alternatives

What it does

Create real inboxes, receive emails in seconds, extract OTPs and magic links, and automate email workflows with polling or signed webhooks.

Does the same job

all alternatives →

ImprovMX2019 · ▲292
Free email forwarding
Mailmodo Email API2021 · ▲244
APIs to send automated interactive emails with forms
Context.IO2015 · ▲226
API for email inboxes
Mailercloud Email API PlatformMar 2026 · ▲165
1,000+ Emails per Second with 99%+ Deliverability
Atomic Mail AgenticJun 2026 · atomicmail.ai · ▲268
Let your agents read, send, and react to email autonomously
Mailivery2021 · ▲251
Reach the inbox, not the spam folder

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