---
title: "Send Draft"
method: POST
path: "/v0/inboxes/{inbox_id}/drafts/{draft_id}/send"
tags: ["InboxesDrafts"]
---

# Send Draft

`POST /v0/inboxes/{inbox_id}/drafts/{draft_id}/send`

**CLI:**
```bash
agentmail inboxes:drafts send --inbox-id <inbox_id> --draft-id <draft_id>
```

## Path parameters

- `inbox_id` string, required — The ID of the inbox.
- `draft_id` string, required — ID of draft.

## Request body

- UpdateMessageRequest
  - `add_labels` union — Label or list of labels.
    - string
    - string[]
  - `remove_labels` union — Label or list of labels.
    - string
    - string[]

## Response `200`

- SendMessageResponse
  - `message_id` string, required — ID of message.
  - `thread_id` string, required — ID of thread.

## Other responses

- `400`
- `403`
- `404`
- `409`

## Changes

- **2026-07-15** `394ddcdd9c29` — 11 info
  - added the non-success response with the status `409`
  - added the optional property `code` to the response with the `400` status
  - added the optional property `code` to the response with the `403` status
  - added the optional property `code` to the response with the `404` status
  - …7 more
- **2026-03-31** `5b7e1869efdc` — 2 info
  - request property `add_labels` list-of-types was widened by adding types `string` to media type `application/json`
  - request property `remove_labels` list-of-types was widened by adding types `string` to media type `application/json`

[Change history](https://skmtc.dev/agentmail-to/apis/api/changes/v0/inboxes/:inbox_id/drafts/:draft_id/send/post.md)

---

[API](https://skmtc.dev/agentmail-to/apis/api.md) · [All operations](https://skmtc.dev/agentmail-to/apis/api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/agentmail-to/api/revisions/394ddcdd9c29/schema)