openapi: 3.1.0
info:
  title: Crisp REST API v1
  description: |
    Crisp customer messaging REST API covering websites, conversations,
    messages, people and metadata. Endpoint inventory drawn from
    https://docs.crisp.chat/references/rest-api/v1/.
  version: "1.0"
  contact:
    name: Crisp API
    url: https://docs.crisp.chat/references/rest-api/v1/
servers:
  - url: https://api.crisp.chat/v1
    description: Production
components:
  securitySchemes:
    BasicAuth:
      type: http
      scheme: basic
      description: |
        Use plugin token credentials. HTTP Basic with identifier:key, plus
        the X-Crisp-Tier header (`plugin`, `user`, or `tier`).
  parameters:
    websiteId:
      in: path
      name: website_id
      required: true
      schema: { type: string }
    sessionId:
      in: path
      name: session_id
      required: true
      schema: { type: string }
    pageNumber:
      in: path
      name: page_number
      required: true
      schema: { type: integer }
security:
  - BasicAuth: []
paths:
  /website:
    head:
      summary: Check if website exists
      operationId: checkWebsite
      tags: [Website]
      responses:
        "200": { description: Exists }
    post:
      summary: Create a new website
      operationId: createWebsite
      tags: [Website]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name: { type: string }
                domain: { type: string }
      responses:
        "201": { description: Created }
  /website/{website_id}:
    get:
      summary: Get website
      operationId: getWebsite
      tags: [Website]
      parameters:
        - $ref: '#/components/parameters/websiteId'
      responses:
        "200": { description: Website }
    delete:
      summary: Delete website
      operationId: deleteWebsite
      tags: [Website]
      parameters:
        - $ref: '#/components/parameters/websiteId'
      responses:
        "200": { description: Deletion scheduled }
  /website/{website_id}/expunge:
    delete:
      summary: Abort scheduled website deletion
      operationId: abortDeleteWebsite
      tags: [Website]
      parameters:
        - $ref: '#/components/parameters/websiteId'
      responses:
        "200": { description: Aborted }
  /website/{website_id}/conversations/{page_number}:
    get:
      summary: List conversations
      operationId: listConversations
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
        - $ref: '#/components/parameters/pageNumber'
      responses:
        "200": { description: Conversations }
  /website/{website_id}/conversation:
    post:
      summary: Create a new conversation
      operationId: createConversation
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
      responses:
        "201": { description: Created }
  /website/{website_id}/conversation/{session_id}:
    get:
      summary: Get conversation
      operationId: getConversation
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
        - $ref: '#/components/parameters/sessionId'
      responses:
        "200": { description: Conversation }
  /website/{website_id}/conversation/{session_id}/messages:
    get:
      summary: List conversation messages
      operationId: listConversationMessages
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
        - $ref: '#/components/parameters/sessionId'
      responses:
        "200": { description: Messages }
  /website/{website_id}/conversation/{session_id}/message:
    post:
      summary: Send a message in conversation
      operationId: sendConversationMessage
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
        - $ref: '#/components/parameters/sessionId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                type: { type: string }
                from: { type: string }
                origin: { type: string }
                content: {}
      responses:
        "200": { description: Sent }
  /website/{website_id}/conversation/{session_id}/state:
    patch:
      summary: Update conversation state
      operationId: updateConversationState
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
        - $ref: '#/components/parameters/sessionId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                state: { type: string, enum: [pending, unresolved, resolved] }
      responses:
        "200": { description: Updated }
  /website/{website_id}/conversation/{session_id}/routing:
    patch:
      summary: Assign conversation routing
      operationId: updateConversationRouting
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
        - $ref: '#/components/parameters/sessionId'
      responses:
        "200": { description: Updated }
  /website/{website_id}/conversation/{session_id}/meta:
    get:
      summary: Get conversation metadata
      operationId: getConversationMeta
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
        - $ref: '#/components/parameters/sessionId'
      responses:
        "200": { description: Metadata }
  /website/{website_id}/conversation/{session_id}/participants:
    put:
      summary: Save conversation participants
      operationId: saveConversationParticipants
      tags: [Conversations]
      parameters:
        - $ref: '#/components/parameters/websiteId'
        - $ref: '#/components/parameters/sessionId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                participants:
                  type: array
                  items: { type: object }
      responses:
        "200": { description: Saved }