---
title: "Send Conversation Reply Endpoint"
method: POST
path: "/api/v1/remy/conversations/{conversation_id}/send"
tags: ["remy"]
---

# Send Conversation Reply Endpoint

`POST /api/v1/remy/conversations/{conversation_id}/send`

## Request

- Base URL: `https://api.brandbooster.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.brandbooster.ai/api/v1/remy/conversations/{conversation_id}/send`
- Auth: HTTP bearer

Send a DM via the connected account this thread has been using, with anti-spam guards.

## Path parameters

- `conversation_id` string, required

## Request body

- SendConversationReplyRequestDTO
  - `message` string, required
  - `force` boolean
  - `attachments` EmailAttachmentDTO[], nullable
    - `filename` string, required
    - `content_base64` string, required
    - `content_type` string, nullable
  - `subject` string, nullable

## Response `200`

Successful Response

- SendConversationReplyResponseDTO
  - `ok` boolean, required
  - `conversation` ConversationDetailDTO
    - `id` string, required
    - `creator_id` string, required
    - `platform` string, required
    - `channel` string, required
    - `status` string, required
    - `agreed_price` number, nullable
    - `handle` string, nullable
    - `display_name` string, nullable
    - `profile_pic_url` string, nullable
    - `followers` integer, nullable
    - `last_message_at` string, date-time, nullable
    - `last_message_preview` string, nullable
    - `last_message_role` string, nullable
    - `has_email` boolean
    - `email_id` string, nullable
    - `has_dm_handle` boolean
    - `campaign_id` string, nullable
    - `bcc_emails` string[]
    - `cc_emails` string[]
    - `messages` MessageDTOOutput[]
      - `id` string, required
      - `role` string, required
      - `content` string, nullable
      - `channel` string, required
      - `sending_account_id` string, nullable
      - `provider_message_id` string, nullable
      - `sent_at` string, date-time, nullable
      - `sender_email` string, nullable
      - `attachments` MessageAttachmentDTO[]
        - `id` string, required
        - `filename` string, nullable
        - `url` string, nullable
        - `kind` string, required
        - `mime_type` string, nullable
        - `size_bytes` integer, nullable
        - `status` string, required
        - `error` string, nullable
    - `has_more` boolean
    - `version` string, nullable
    - `unchanged` boolean
  - `error` string, nullable
  - `send_by_email` boolean
  - `fallback_email` string, nullable

## Other responses

- `422`: Validation Error

## Changes

> 37 revisions in range; 1 not diffed.

- **2026-10-14** `707bf96f76de`: 1 info
  - added the new optional request property `subject`
- **2026-10-13** `c7202552278d`: 3 info
  - added the optional property `conversation/anyOf[subschema #1: ConversationDetailDTO]/has_more` to the response with the `200` status
  - added the optional property `conversation/anyOf[subschema #1: ConversationDetailDTO]/unchanged` to the response with the `200` status
  - added the optional property `conversation/anyOf[subschema #1: ConversationDetailDTO]/version` to the response with the `200` status
- **2026-09-30** `05ad3a41b4cf`: 5 info
  - added the new optional request property `attachments`
  - added the optional property `conversation/anyOf[subschema #1: ConversationDetailDTO]/bcc_emails` to the response with the `200` status
  - added the optional property `conversation/anyOf[subschema #1: ConversationDetailDTO]/cc_emails` to the response with the `200` status
  - added the optional property `conversation/anyOf[subschema #1: ConversationDetailDTO]/messages/items/attachments` to the response with the `200` status
  - …1 more
- …earlier changes not shown

[Operation history](https://skmtc.dev/brandbooster/apis/brandbooster-api/changes/api/v1/remy/conversations/:conversation_id/send/post.md)

---

[API](https://skmtc.dev/brandbooster/apis/brandbooster-api.md) - [All operations](https://skmtc.dev/brandbooster/apis/brandbooster-api/llms.txt) - [OpenAPI document](https://skmtc.dev/brandbooster/apis/brandbooster-api/revisions/02d28bde684c?raw)