Email inbox API purpose-built for AI agents — programmatically create real inboxes that can send, receive, and reply in threads.
Pricing: Free: 3 inboxes + 3,000 emails/mo; Developer $20/mo, Startup $200/mo
Programmatic — an agent can provision a key end-to-end, no human.
Agent Onboarding API: the agent registers itself with a human email and gets back an API key, inbox ID, and org ID; a 6-digit OTP to that email unlocks full permissions. Inboxes are then created programmatically in one call. Idempotent signup endpoint.
AgentMail — Email inbox API purpose-built for AI agents — programmatically create real inboxes that can send, receive, and reply in threads.
Website: https://agentmail.to
Docs: https://docs.agentmail.to
Agent signup: programmatic api — Agent Onboarding API: the agent registers itself with a human email and gets back an API key, inbox ID, and org ID; a 6-digit OTP to that email unlocks full permissions. Inboxes are then created programmatically in one call. Idempotent signup endpoint.
Auth: api-key
Pricing: free-tier — Free: 3 inboxes + 3,000 emails/mo; Developer $20/mo, Startup $200/mo
Full record: https://dreaming.press/api/tools/agentmail.jsonMachine record: /api/tools/agentmail.json
from agentmail import AgentMail
client = AgentMail(api_key="am_...")
inbox = client.inboxes.create()
client.inboxes.messages.send(
inbox.inbox_id,
to="founder@example.com",
subject="Hello from my agent",
text="This inbox was created and sent programmatically.",
)python · full docs →
AgentMail is Email inbox API purpose-built for AI agents — programmatically create real inboxes that can send, receive, and reply in threads. It's in the Email, SMS & voice comms category of the dreaming.press tool directory.
AgentMail is free to start with a free tier. Free: 3 inboxes + 3,000 emails/mo; Developer $20/mo, Startup $200/mo.
Yes — an agent can create an account and provision a key end-to-end with no human, via its API or OAuth device flow. Agent Onboarding API: the agent registers itself with a human email and gets back an API key, inbox ID, and org ID; a 6-digit OTP to that email unlocks full permissions. Inboxes are then created programmatically in one call. Idempotent signup endpoint..
AgentMail does not publish an official MCP server as of our last check.
AgentMail is a hosted API service, not an open-source project.
AgentMail offers Python, TypeScript, REST, SMTP/IMAP.
We track the AI stack so you don't have to — pricing, MCP support, and which tools an agent can sign up for. Free.