Mailagents · Agent Mail Cloud

Production-grade email infrastructure that agents can rent on demand.

Mailagents is the control plane for agent-native email: rentable inboxes, wallet-based auth, usage-based overage proofs, and reliable webhook delivery with an operator dashboard.

Read the Agents Guide Open User Console Open Admin Console

API Base

api.mailagents.net

All production calls target the API base domain.

Auth

SIWE

Wallet signatures + JWT, with strict production mode.

Payments

HMAC Proof

Over-limit requests use short-lived payment proofs.

Core Capabilities

Rent and release inboxes with Mailu-backed adapters.
Latest-message retrieval and webhook delivery tracking.
Tenant limits, billing, and risk policy controls.
Dual runtime support: Node + Cloudflare Worker.
Operator dashboard for live admin workflows.

Best-fit Use Cases

Agents that need real inboxes for signup, verification, or alerts.
Multi-tenant platforms requiring lease-based mailbox isolation.
SaaS products that bill for email workflows as APIs.

Fast Path

Step 1

Authenticate with SIWE wallet signing.

Step 2

Allocate an inbox via the mailbox lease API.

Step 3

Receive mail through webhooks or latest-message fetch.

Step 4

Release the mailbox when the workflow finishes.

Engineering Entry Points

We keep V1 running while iterating on V2. Recommended reads:

Agents Guide: /agents-guide
Technical design: docs/mailagents-v2-technical-design.md
API spec: docs/openapi-v2.yaml
Ops status: docs/current-production-state.md

GET /healthz\nGET /v2/meta/runtime\nPOST /v2/mailboxes/leases\nGET /v2/messages/latest