mailbox.bot

https://mailbox.bot/.well-known/agent.json

● healthy

Postal mail infrastructure for AI agents and software workflows. Live now: send letters, certified mail, postcards, notices, and documents through REST or MCP (19 public tools) with dry-run pricing, approval gates, cost caps, tracking, proof, cancellation, and webhooks, and use forwarded digital/OC…

Transport

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Protocol

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Price

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How to call

A2A endpoint (JSONRPC)

https://mailbox.bot

Agent card

https://mailbox.bot/.well-known/agent.json

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