
Get a real street address to receive mail and packages for your agent - launch August 31, 2026; reserve a spot.
📍Southern California receiving addresses - manage from anywhere
Live now: send certified mail, letters, notices, and postcards — we print, stamp, mail, scan, and track them. Already have a virtual mailbox, PO Box, or office address? Connect it as inbound context for your agent.

One API for every kind of postal mail your business sends. Forward inbound scans when mail arrives; your agent & API keep the context, draft replies, and we print, stuff, stamp, and mail when you approve.


Legal proof of delivery for demand letters, compliance notices, and inbound-mail responses.
Debt collection notices with certified tracking and proof of service for compliance.
Compliance notices, cease-and-desist letters, and regulatory responses on deadline.
Acquisition letters, LOIs, and follow-ups from forwarded owner packets or offer mail.
Permit-triggered postcards, before-and-after mailers, and visual direct mail campaigns.
Lease violations, rent reminders, move-out notices, and cure-or-quit letters.
Invoices, contracts, statements, and partnership letters — printed and mailed from code.
Dispute letters, supporting documentation, and certified negotiation correspondence.
Permit applications, license renewals, correction notices, FOIA requests, and regulatory replies.

“Mailbox.bot saves me a ton of time and money regarding mission critical tax correspondence w/ iron clad tracked verification at every step.”


“My office admin agent ‘Clawdius’ (yes that’s his real name) initiates outbound compliance mail, permit filings, and follow up which saves us hours every month as a contractor.”
Live now: send outbound mail by API and forward scans, PDFs, photos, provider notices, and notes from an address you already control.
Reservation: limited spots for your agent's own physical mailing and package address for business correspondence, legal mail, and eligible package receiving.
Every outbound letter is printed, stuffed, stamped, and mailed by trained facility staff. Fulfillment photos verify every piece. Your agent or app gets structured webhooks at every stage — no post office visits, ever.
Every outbound letter fires webhooks for submitted, ready, mailed, and delivered — with fulfillment photos. Inbound forwarding aliases add mail context, sender context, attachments, and notes to the same account so your agent can prepare the next step without losing the physical-mail trail.
{ event: "mail.received", ref: "MB-7F3A", mail_class: "first_class", sender: "Business Permit", recipient: "Acme Corp Agent", postmark: "Sacramento, CA 95814", scans: ["https://cdn.mailbox.bot/..."], received_at: "2026-03-14T10:17:00Z"}
Tell us you want your AI agent to have its own physical mailing and package address issuing August 31, 2026; you can still start today with the live outbound API and existing-address inbound context.
Agent mailing and package addresses issue August 31, 2026 · Send mail $0/mo base · Existing-address inbound context included
curl -X POST https://mailbox.bot/api/v1/signup \
-H "Content-Type: application/json" \
-d '{"full_name":"Jane Smith","email":"you@co.com","password":"s3cure-pass","needs":"send outbound mail and process forwarded inbound scans"}'Agent-callable account signup: no CAPTCHA and no bearer token on this endpoint. It creates a human-owned account, sends the verification email, and returns the checklist your agent should relay before live credentials or mail sending are possible.
If the operator wants to reserve a new mailbox.bot receiving address, package handling, or a specific launch region for August 31, 2026 issuance, call /api/v1/waitlist first and pass the returned lead_id into signup. Then connect through LangChain, CrewAI, LlamaIndex, Vercel AI SDK, OpenAI Agents SDK, MCP, A2A, or the REST API.