InboxWire vs Groundmail

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

InboxWire compared with Groundmail
Detail	InboxWire	Groundmail
What it does	Disposable email that disappears in 10 minutes	Transactional email API and SMTP for password resets, receipts and alerts
Stage	Startup	Not given
Founded	2026	Not given
Based in	IN	US
Pricing model	Freemium	Freemium
Pricing	Free: $0/month for 10 emails per month, 3 live inboxes, 1 hour maximum inbox lifetime, 1 API key. Starter: $19/month for 5,000 emails per month, 200 live inboxes, 1 day maximum inbox lifetime, 3 API keys, webhooks and attachments. Pro: $99/month for 50,000 emails per month, 5,000 live inboxes, 7 day	Free: 3,000 emails/month, 100/day, 3 domains. Pay as you go: $15/month with 20,000 emails included, then $0.70 per 1,000 from 20,000-100,000, $0.50 per 1,000 from 100,000-1 million, $0.30 per 1,000 above 1 million. Dedicated server: $299/month with 250,000 emails included, then $0.40 per 1,000.
Key features	Instant temporary email address with no signup required Live inbox updates over server-sent events Tracking pixels and scripts stripped from every message Inboxes expire and delete themselves automatically Webhooks on Starter and Pro plans Attachments support on Starter and Pro plans Receive-only design prevents spam relay usage	REST API and SDKs for Node, Python, Go, PHP and Ruby SMTP relay at smtp.groundmail.dev port 587 Event-triggered automations Inbound email and reply handling Versioned email templates with live preview Spam checks and blocklist monitoring DMARC monitoring Dedicated IPs and servers Hosted test inbox for CI Tenants for serving multiple customers
What makes it different	No signup required to use the free browser inbox Automatic OTP extraction eliminates regex parsing in test code Blocking wait API eliminates polling loops and arbitrary sleeps in tests Custom domains prevent test addresses from being flagged as disposable Tracking pixels and scripts removed for privacy-respecting testing	4.6 second median delivery time Operated by the team that runs the mail servers Transactional mail kept separate from marketing mail 99.99% sending uptime No setup required for AI coding tools
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	24 no change since last check
Trust Flow (Majestic)	0	6
Citation Flow (Majestic)	0	30
Referring domains (Majestic)	0	38

6 details filled in for both companies.

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