Hellou AI Messages API

openapi: 3.2.0
info:
  title: HellouOne Messages API
  version: 1.0.0
  description: 'The HellouOne REST API: everything the dashboard does, available to your

    own systems — CRMs, bots, BI tools and back-office automation.'
  termsOfService: https://hellou.ai/en/legal/terms/
  contact:
    name: HellouOne support
    email: support@hellou.ai
servers:
- url: https://one.hellou.ai
  description: HellouOne cloud
security:
- userApiKey: []
tags:
- name: Messages API
paths:
  /public/api/v1/inboxes/{inbox_identifier}/contacts/{contact_identifier}/conversations/{conversation_id}/messages:
    parameters:
    - $ref: '#/components/parameters/public_inbox_identifier'
    - $ref: '#/components/parameters/public_contact_identifier'
    - $ref: '#/components/parameters/conversation_id'
    post:
      tags:
      - Messages API
      operationId: create-a-message
      summary: Create a message
      security: []
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/public_message'
        '401':
          description: Unauthorized
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/public_message_create_payload'
    get:
      tags:
      - Messages API
      operationId: list-all-converation-messages
      summary: List all messages
      description: List all messages in the conversation
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: array
                description: Array of messages
                items:
                  $ref: '#/components/schemas/public_message'
        '401':
          description: Unauthorized
  ? /public/api/v1/inboxes/{inbox_identifier}/contacts/{contact_identifier}/conversations/{conversation_id}/messages/{message_id}
  : parameters:
    - $ref: '#/components/parameters/public_inbox_identifier'
    - $ref: '#/components/parameters/public_contact_identifier'
    - $ref: '#/components/parameters/conversation_id'
    - $ref: '#/components/parameters/message_id'
    patch:
      tags:
      - Messages API
      operationId: update-a-message
      summary: Update a message
      security: []
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/public_message'
        '401':
          description: Unauthorized
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/public_message_update_payload'
components:
  parameters:
    message_id:
      in: path
      name: message_id
      required: true
      description: The numeric ID of the message
      schema:
        type: integer
    public_contact_identifier:
      in: path
      name: contact_identifier
      required: true
      description: The source id of contact obtained on contact create
      schema:
        type: string
    public_inbox_identifier:
      in: path
      name: inbox_identifier
      required: true
      description: The identifier obtained from API inbox channel
      schema:
        type: string
    conversation_id:
      in: path
      name: conversation_id
      required: true
      description: The numeric ID of the conversation
      schema:
        type: integer
  schemas:
    public_message:
      type: object
      properties:
        id:
          type: string
          description: Id of the message
        content:
          type: string
          description: Text content of the message
        message_type:
          type: string
          description: Denotes the message type
        content_type:
          type: string
          description: Content type of the message
        content_attributes:
          type: string
          description: Additional content attributes of the message
        created_at:
          type: string
          description: Created at time stamp of the message
        conversation_id:
          type: string
          description: Conversation Id of the message
        attachments:
          type: array
          items:
            type: object
          description: Attachments if any
        sender:
          type: object
          description: Details of the sender
    public_message_update_payload:
      type: object
      properties:
        submitted_values:
          type: object
          description: Replies to the Bot Message Types
    public_message_create_payload:
      type: object
      properties:
        content:
          type: string
          description: Content for the message
        echo_id:
          type: string
          description: Temporary identifier which will be passed back via websockets
  securitySchemes:
    userApiKey:
      type: apiKey
      in: header
      name: api_access_token
      description: 'A user''s access token, from **Profile settings → Access token** in the dashboard.

        Requests act with that user''s role: administrators reach everything in their

        account, agents only what their role and visibility settings allow.

        '
    agentBotApiKey:
      type: apiKey
      in: header
      name: api_access_token
      description: 'An agent bot''s access token, shown to administrators on the bot''s settings page.

        Bot tokens reach a limited set of conversation and message endpoints.

        '
    platformAppApiKey:
      type: apiKey
      in: header
      name: api_access_token
      description: 'A platform app token, issued by the installation operator. Used to provision

        accounts, users, account memberships and agent bots.

        '
    connectorInvokeToken:
      type: http
      scheme: bearer
      description: 'A connector''s invoke token (`hci_…`), sent as `Authorization: Bearer <token>`.

        Each connector install has its own; it is rotated whenever the connector is

        reconnected or disconnected, so a stale copy stops working.

        '
x-tagGroups:
- name: Guides
  tags:
  - Introduction
  - Authentication
  - Errors
  - Pagination
  - Rate limits
  - Webhook events
- name: Webhook payloads
  tags:
  - Event payloads
- name: Platform
  tags:
  - Accounts
  - Account Users
  - AgentBots
  - Users
- name: Application
  tags:
  - Account AgentBots
  - Agents
  - Automation Rule
  - Campaigns
  - Canned Responses
  - Contacts
  - Contact Labels
  - Conversation Assignment
  - Conversation Labels
  - Conversations
  - Custom Attributes
  - Custom Filters
  - Help Center
  - Inboxes
  - Integrations
  - Macros
  - Messages
  - Profile
  - Reports
  - Security Settings
  - Teams
  - Webhooks
- name: Business tools
  tags:
  - AI Classifications
  - Assignment Settings
  - Calls
  - AI Phone Lines
  - Connectors
  - ElevenLabs Integration
  - Facebook Marketing
  - HellouAI Integration
  - Knowledge Base
  - Marketing Consent
  - Plan Upgrades
  - Voice Campaigns
  - WhatsApp Campaigns
  - WhatsApp Flows
  - WhatsApp Templates
- name: Client
  tags:
  - Inbox API
  - Contacts API
  - Conversations API
  - Messages API
- name: Others
  tags:
  - CSAT Survey Page