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

# Update chat

> Update an existing chat by ID. Merges provided fields with the existing chat data and updates the timestamp.



## OpenAPI

````yaml /api-reference/openapi.yaml put /api/v1/chats/{id}
openapi: 3.1.1
info:
  title: Coconut API
  description: |
    Comprehensive API for the Coconut development platform.

    Coconut is a development environment that provides AI-assisted coding,
    task management, skill orchestration, and integrated terminal sessions.
  version: 1.0.72
  contact:
    name: Coconut Team
  license:
    name: MIT
servers:
  - url: http://localhost:3001
    description: Development server
  - url: '{baseUrl}'
    description: Production server
    variables:
      baseUrl:
        default: http://localhost:3001
        description: Base URL for the API
security:
  - sessionCookie: []
  - bearerAuth: []
  - apiKey: []
tags:
  - name: Tasks
    description: Task management
  - name: Skills
    description: AI skill configuration and management (Agent Skills spec)
  - name: Resources
    description: File and media resource management
  - name: Knowledge
    description: Knowledge document management
  - name: Terminal
    description: Terminal session management
  - name: AI
    description: AI chat and completion endpoints
  - name: Chats
    description: Chat history management
  - name: Configuration
    description: Project and global configuration
  - name: MCP
    description: Model Context Protocol server management
  - name: Context
    description: Context documents for role, agents, team, and memory
  - name: Identity
    description: Identity and agent card management
  - name: User
    description: User information and settings
  - name: Jobs
    description: Scheduled job management
  - name: Git
    description: Git repository management
  - name: Slack
    description: Slack integration and notification management
  - name: Mail
    description: Email management and Resend webhook integration
  - name: Version
    description: API version information
paths:
  /api/v1/chats/{id}:
    put:
      tags:
        - Chats
      summary: Update chat
      description: >-
        Update an existing chat by ID. Merges provided fields with the existing
        chat data and updates the timestamp.
      operationId: updateChat
      parameters:
        - name: id
          in: path
          required: true
          description: Chat ID
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                title:
                  type: string
                  description: Updated chat title
                messages:
                  type: array
                  description: Updated messages array
                  items:
                    $ref: '#/components/schemas/ChatMessage'
                model:
                  type: string
                  description: Model identifier
                context:
                  type: object
                  description: Context information
                  properties:
                    type:
                      type: string
                    content:
                      type: string
                      nullable: true
                    displayId:
                      type: string
                    contextFiles:
                      type: string
      responses:
        '200':
          description: Chat updated successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    example: true
                  chatId:
                    type: string
                    description: The ID of the updated chat
                  message:
                    type: string
                    example: Chat updated successfully
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalError'
components:
  schemas:
    ChatMessage:
      type: object
      required:
        - role
        - content
      properties:
        role:
          type: string
          enum:
            - user
            - assistant
            - system
            - tool
        content:
          oneOf:
            - type: string
            - type: array
              items:
                type: object
          description: Message content
        name:
          type: string
          description: Name (for tool messages)
        toolCalls:
          type: array
          items:
            type: object
          description: Tool calls (for assistant messages)
        toolCallId:
          type: string
          description: Tool call ID (for tool messages)
    ErrorResponse:
      type: object
      required:
        - success
        - error
      properties:
        success:
          type: boolean
          const: false
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
              description: Error code
            message:
              type: string
              description: Human-readable error message
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    sessionCookie:
      type: apiKey
      in: cookie
      name: nut-session
      description: Session cookie authentication
    bearerAuth:
      type: http
      scheme: bearer
      description: Bearer token authentication
    apiKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key authentication

````