> ## Documentation Index
> Fetch the complete documentation index at: https://docs.conversimple.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Deliver deferred concierge reply

> Sign exact JSON request bytes. Available only for a pending acknowledged turn.



## OpenAPI

````yaml /reference/openapi.yaml post /embed/concierge/{deployment_id}/replies
openapi: 3.1.0
info:
  title: ConverSimple public HTTP contracts
  version: '2026-10-02'
  description: >-
    Current management routes and the deferred Existing Concierge Voice
    callback. The transcript hook is configured by the customer and described
    under webhooks.
servers:
  - url: https://app.conversimple.com
    description: Production app
security: []
tags:
  - name: Agents
  - name: Deployments
  - name: API keys
  - name: Existing concierge voice
paths:
  /embed/concierge/{deployment_id}/replies:
    parameters:
      - $ref: '#/components/parameters/deploymentId'
    post:
      tags:
        - Existing concierge voice
      summary: Deliver deferred concierge reply
      description: >-
        Sign exact JSON request bytes. Available only for a pending acknowledged
        turn.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ConciergeReply'
      responses:
        '200':
          description: Accepted or identical duplicate
        '401':
          description: Invalid body or signature
        '409':
          description: Stale turn
        '410':
          description: Conversation ended
      security:
        - conciergeSignature: []
components:
  parameters:
    deploymentId:
      name: deployment_id
      in: path
      required: true
      schema:
        type: string
        format: uuid
  schemas:
    ConciergeReply:
      type: object
      required:
        - conversation_id
        - turn_id
        - reply_text
      properties:
        conversation_id:
          type: string
          format: uuid
        turn_id:
          type: string
          format: uuid
        reply_text:
          type: string
          minLength: 1
          description: At most 16000 UTF-8 bytes
  securitySchemes:
    conciergeSignature:
      type: apiKey
      in: header
      name: X-Conversimple-Signature
      description: >-
        sha256= followed by lowercase HMAC-SHA256 hex of the exact raw JSON
        bytes

````

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