AgentiSend vs Groundmail

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

AgentiSend compared with Groundmail
Detail	AgentiSend	Groundmail
What it does	Transactional email API with per-key budgets and guardrails for AI agents	Transactional email API and SMTP for password resets, receipts and alerts
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	US
Pricing model	Not given	Freemium
Pricing	Not given	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	Per-key send budgets enforced as emails are sent Approval queue for held and agent-requested sends Account-wide kill switch to pause all senders instantly Loop detection that holds suspicious repeated sends for review REST API and MCP server with identical operations Detailed email delivery logs with status and reasons DNS verification with copy-paste records and validation Bounce and complaint tracking per domain over rolling 7 days Batch sends up to 500 emails with per-item error reporting	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	Up to 75% cheaper than Resend on equivalent email volumes Error responses name the exact fix needed instead of just a code Resend-compatible API eliminates need to rewrite integration code	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)	33 no change since last check	24 no change since last check
Trust Flow (Majestic)	1	6
Citation Flow (Majestic)	30	30
Referring domains (Majestic)	31	38

4 details filled in for both companies.

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