One API call to sign up, one to create a mailbox, one to send. No SMTP, no mail server ops.
npx @robotomail/cli auth signup \
--email [email protected] \
--slug acme
# ✓ Account created: acme.robotomail.com
# ✓ API key saved to ~/.robotomail/config
robotomail mailbox create agent-1
# ✓ [email protected]
robotomail send --from agent-1 \
--to [email protected] \
--subject "Hello" --body "Hi there"
# ✓ Email sentPoint your agent at robotomail.com/skill — it reads the page and signs up via API.
One POST to /v1/mailboxes gives your agent a real email address.
Send with a POST. Inbound arrives as HMAC-signed webhook payloads.
Parse the webhook, generate a response, reply. Threading is automatic.
RESTful endpoints for every operation. Create mailboxes, send messages, manage threads — all through clean JSON.
Get notified the instant an email arrives. HMAC-signed payloads with automatic retries and delivery tracking.
Send from your own domain with auto-configured DKIM, SPF, and DMARC. One-click DNS verification.
Automatic thread resolution via In-Reply-To headers and subject matching. Context preserved across replies.
Upload to secure cloud storage, attach to outbound messages. Presigned download URLs for inbound.
Per-mailbox daily send limits, storage quotas, and suppression lists. Stay in control of what your agents send.
Starting at $15/mo (3 mailbox minimum)
Unlimited inbound across all plans. No credit card required for free tier.
Those are transactional email services for humans. Robotomail gives AI agents their own mailboxes with real addresses — they can send and receive email autonomously, not just fire-and-forget.
Yes. One POST to /v1/signup creates an account and returns an API key. Point your agent at robotomail.com/skill and it can onboard itself end-to-end.
One mailbox, 50 sends per day, 1 GB attachment storage, and a platform subdomain (slug.robotomail.com). No credit card required.
Yes. Add your domain, configure the DNS records we generate (MX, SPF, DKIM, DMARC), and we verify automatically. Available on the paid plan.
Two ways. Register a webhook and we'll POST HMAC-signed payloads in real time when email arrives. Or poll GET /v1/mailboxes/:id/messages to fetch messages on your own schedule.
We auto-configure DKIM, SPF, and DMARC for every domain. Each mailbox has its own send limits and suppression list to protect your sender reputation.
Free tier includes one mailbox and 50 sends per day. No credit card required.
Create your first mailbox