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AgentMail Create Inbox
emailinboxesdomainsdraftsthreadswebhooks
AgentMail Create Inbox is a paid API for AI agents from AgentMail at mpp.api.agentmail.to, $2/call, status unknown (last checked 2026-10-10).
Creates a new email inbox for an AI agent within a specified pod, optionally with a custom username, domain, and display name.
Price / call$2
Success—
StatusUnknown
How this service works
Create Inbox
Output
Returns an Inbox object with the new inbox_id, pod_id, optional client_id and display_name, and timestamps for when the inbox was created and last updated. The email address is constructed as username@domain.
Example use cases
Example prompt
“Create a new AgentMail inbox in pod 'pod_abc123' with the username 'support-bot' on the agentmail.to domain and display name 'Support Bot'.”
Technical details
Endpoint
POSThttps://mpp.api.agentmail.to/v0/pods/:pod_id/inboxes?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to provision a new email inbox for an AI agent within an existing AgentMail pod. It is the right choice for dynamically creating agent-specific email addresses, especially when you need a custom username, a verified custom domain, or a human-readable display name. Prefer this over alternatives when building multi-agent systems that require isolated inboxes per agent or per task.
Side effects
- Invalid or unverified domain — only verified domains are accepted; agentmail.to is the default
- Missing or invalid pod_id path parameter — 404 or 400 error
- Unauthorized request if Bearer token is missing or invalid — 401 error
- Username already taken on the specified domain — conflict error
- Malformed request body — 422 validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | Domain of address. Must be verified domain. Defaults to `agentmail.to`. |
| username | string | Username of address. Randomly generated if not specified. |
| client_id | string | Client ID of inbox. |
| display_name | string | Display name: `Display Name <username@domain.com>`. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| pod_idrequired | string | ID of pod. |
| inbox_idrequired | string | The ID of the inbox. |
| client_id | string | Client ID of inbox. |
| created_atrequired | string | Time at which inbox was created. |
| updated_atrequired | string | Time at which inbox was last updated. |
| display_name | string | Display name: `Display Name <username@domain.com>`. |
Tags
emailinboxesdomainsdraftsthreadswebhooksmessagingaisocial
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