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Atomic Mail vs Canny Pigeons

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 Canny Pigeons
DetailAtomic MailCanny Pigeons
What it doesEmail API for AI agents DMARC monitoring, minus the busywork
StageBeta Established
FoundedNot given Not given
Based inEE Not given
Pricing modelfree freemium
PricingFree during open alpha. Accounts created during alpha are migrated to the free tier of the paid product. Free plan: 1 domain, 10,000 compliant messages/month, 30 days history. Pro: $19/month for up to 5 domains, 500,000 compliant messages/month, 6 months history. Bulk: custom pricing for agencies and MSPs.
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
  • Hosted DMARC policy management
  • Unlimited users on all plans
  • Threat intelligence on every IP
  • Daily DNS drift alerts
  • Sender identification and grading
  • Unknown senders view
  • DMARC, SPF, and DKIM checker
  • Report history storage
What makes it different
  • Reputation-based rate limiting via proof-of-work
  • Permanent free tier with no time limit or commercial restrictions
  • Soft volume caps that never drop data
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)30 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)2119
Citation Flow (Majestic)3225
Referring domains (Majestic)26540

6 details filled in for both companies.

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