Atomic Mail vs Conduit

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

Atomic Mail compared with Conduit
Detail	Atomic Mail	Conduit
What it does	Email API for AI agents	Turn any email into a webhook
Stage	Beta	Not given
Founded	Not given	Not given
Based in	EE	Not given
Pricing model	free	free
Pricing	Free during open alpha. Accounts created during alpha are migrated to the free tier of the paid product.	Not given
Key features	Agent self-registration via proof-of-work Full JMAP inbox: send and receive MCP server AgentSkill Open IETF standard (RFC 8620/8621) Custom domains Reputation scoring system	Email in, webhooks out Reliable by design with SMTP retry Secure payloads with HMAC-SHA256 signing Domain ownership verification Per-webhook rate limiting Custom payload templates Custom request headers Full delivery history
What makes it different	Reputation-based rate limiting via proof-of-work	No polling or mail libraries required Never stores email content Fine-grained SMTP error control from webhooks
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	30 no change since last check	4 no change since last check
Trust Flow (Majestic)	21	9
Citation Flow (Majestic)	32	23
Referring domains (Majestic)	265	52

4 details filled in for both companies.