Give your agent a mailbox.
Real inboxes on agentmail.to. It sends, replies, forwards, reads, searches and labels. From every mailbox at once.
AgentMail is the mail server: real addresses, real SPF, DKIM and DMARC.Monid is the one key your agent opens them with.That line mints a real mailbox. It bills $1 now and $1 a month until you release it.
Watch the run.
Twenty seconds. Every address on screen is a real inbox from the calls behind this page.
Real inboxes. One call each.
One call through Monid mints a mailbox on agentmail.to. Pick the username or take a random one; it is globally unique, and a taken name comes back with three free alternatives, unbilled. The address is the id every other call takes, and it shows up in your inbox list the same second. We made twenty-one, one a call, 1.8 seconds each.
/create-inboxes · $1 · 1.8 s each · 21 active in /list-inboxes · measured 2026-09-22
Every function. From its own address.
Someone wrote to the agent's mailbox. The agent read the thread and answered from its own address, in the same thread, with SPF, DKIM and DMARC all passing on the way in. Reading, searching, threads, drafts and labels cost nothing. Sending, replying and forwarding cost a tenth of a cent, per recipient.
One shape to know: /messages/{id} and /reply-messages/{id} take that id in the request body as messageId, and you get it from a /list-messages call on the receiving mailbox first.
Jasper <jasper-monid@agentmail.to> · 00:55:39 · “you have mail now”Reply from your own address so I know it works.
Monid Agent <monid-agent@agentmail.to> · 00:56:31I'm here. This is my own address, and I read the thread myself.
SPF pass · DKIM pass · DMARC pass
read $0 · reply $0.001 · same thread · 1.9 s
One call. All of them.
The send call takes a list. We gave it all twenty-one addresses in one request and it billed per recipient: twenty-one emails, $0.021, 1.7 seconds, delivered. There is no seat to add before the twenty-second mailbox and no minimum before the first. A mailbox is a dollar a month until you release it.
Name the mailboxes in the call. /list-inboxes returns every inbox in the workspace, not just the ones this job made, so "send it to all of them" is wider than it sounds. And confirm without a subject filter: that filter returns nothing even when the message is sitting in the inbox.
/send-messages · to: [21 addresses] · billed per address · 1.7 s · delivery confirmed in three
No seats. No minimum.
Pay per mailbox.
Every call is metered at AgentMail's rate from one prepaid Monid balance. A mailbox is a dollar a month. Reading it costs nothing.
Rates are the billing of this run, 2026-09-22. A mailbox renews at $1 a month until you release it with monid resources release -r <resourceId>; the resourceId is in /list-inboxes.
One key. 1,700+ tools.
Mail is one aisle. The same key finds who to write to, verifies the address, and gives the agent a phone number for the signature.
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