Skip to content
Sign in Submit your app

ActSeal vs mailbox.bot

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

ActSeal compared with mailbox.bot
Detail ActSealmailbox.bot logo mailbox.bot
What it doesEd25519-signed receipts for agent actions Physical mailing address and postal mail API for AI agents
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelNot given Freemium
PricingFree: 100 receipts per UTC day. Starter: $19/month via USDC, USDT, or ETH for 500 receipts per UTC day. Outbound 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
Key features
  • Issue signed receipts over action hashes
  • Public verification without authentication
  • Payment via USDC, USDT, or ETH
  • Idempotency-Key support for 24 hours
  • stdio MCP integration
  • Issue and consume one-shot receipts
  • 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
What makes it different
  • Portable cryptographic signatures verifiable by anyone without trusting the agent or service
  • Built specifically for agent stacks and MCP/OpenAPI agents
  • Cross-agent trust without sharing private keys
  • 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
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)1 no change since last check22 no change since last check
Trust Flow (Majestic)21
Citation Flow (Majestic)1626
Referring domains (Majestic)376

4 details filled in for both companies.

More alternatives to ActSeal More alternatives to mailbox.bot

Get help