Verifiable identity and proof-of-action for AI agents
Physical mailing address and postal mail API for AI agents
Stage
Not given
Not given
Founded
Not given
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Based in
AE
US
Pricing model
Not given
Freemium
Pricing
Not given
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
Ed25519 signed receipts with hash-chaining
TypeScript and Python SDKs
Agent discovery and trust lookup
One-call integration with OpenAI and Anthropic
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
Open protocol verifiable offline without trusting Zanii
Cryptographic proof of delegated authority and action
Immutable append-only log anchored to public blockchain
Verifiable agent identity with delegation and scoped permissions
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
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