Skip to content
Sign in Submit your app

mailbox.bot vs Seamrail

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

mailbox.bot compared with Seamrail
Detailmailbox.bot logo mailbox.botSeamrail logo Seamrail
What it doesPhysical mailing address and postal mail API for AI agents Connect AI agents to enterprise software without requiring an API
StageNot given Not given
FoundedNot given Not given
Based inUS US
Pricing modelFreemium Contact for pricing
PricingOutbound mail: $0/month base, USPS First-Class Mail (1-page letter) $2.00, USPS Priority Mail flat-rate envelope $15.00, USPS Certified Mail $20.00, Certified with Electronic Return Receipt $24.00. Printing: B&W $0.40/page, Color $0.70/page. Mailing address for AI agent: $15/month, includes 30 stand Not given
Key features
  • Send outbound mail via API, MCP, or dashboard
  • Certified mail with proof of delivery
  • Inbound mail scanning and OCR
  • REST API and MCP server integration
  • Webhook notifications with HMAC-SHA256 signing
  • Batch mail and postcards from templates
  • Human-in-the-loop approval gates for mail
  • Multi-channel notifications via email, SMS, Slack, Discord
  • Fulfillment photos and tracking for all mail
  • Browser-based workflow mapping without API requirements
  • Automated task execution with read-back verification
  • Three-step workflow process: define, map/approve, run/check
  • Result verification and validation after action completion
  • Exception handling with human review routing
  • Support for systems without API availability
What makes it different
  • Real physical street address for autonomous agents to receive mail and packages
  • Seamless API integration with AI agent frameworks like OpenClaw, Hermes, LangChain
  • Inbound mail becomes structured agentic context via OCR and webhooks
  • Complete tracking from document submission through delivery confirmation
  • No credit card required to start using the service
  • Works without requiring an API from target enterprise systems
  • Operates through browser interface with defined boundaries
  • Includes automatic verification to confirm tasks completed correctly
  • Built from practical integration problems in real workflows
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)8 −14 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)260
Referring domains (Majestic)760

5 details filled in for both companies.

More alternatives to mailbox.bot More alternatives to Seamrail

Get help