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

# Update project

> Update project fields. Only provided fields are changed. Requires project:update permission.



## OpenAPI

````yaml PATCH /api/projects/{id}
openapi: 3.1.0
info:
  title: LangWatch API
  version: 1.0.0
  description: LangWatch openapi spec
servers:
  - url: https://app.langwatch.ai
security:
  - project_api_key: []
paths:
  /api/projects/{id}:
    patch:
      summary: Update a project
      description: >-
        Update project fields. Only provided fields are changed. Requires
        project:update permission.
      operationId: updateProject
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: Project ID
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  minLength: 1
                  maxLength: 255
                language:
                  type: string
                framework:
                  type: string
                piiRedactionLevel:
                  type: string
                  enum:
                    - STRICT
                    - ESSENTIAL
                    - DISABLED
      responses:
        '200':
          description: Updated project
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Project'
        '401':
          description: Invalid or missing API key token
        '403':
          description: Insufficient permissions (requires project:update)
        '404':
          description: Project not found
      security:
        - admin_api_key: []
components:
  schemas:
    Project:
      type: object
      properties:
        id:
          type: string
          description: Project ID (project_...)
        name:
          type: string
        slug:
          type: string
        language:
          type: string
        framework:
          type: string
        teamId:
          type: string
        piiRedactionLevel:
          type: string
          enum:
            - STRICT
            - ESSENTIAL
            - DISABLED
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
  securitySchemes:
    project_api_key:
      type: apiKey
      in: header
      name: X-Auth-Token
      description: >-
        Project API key for sending traces and accessing project-scoped
        resources. Format: sk-lw-... (no underscore). Obtain one by creating a
        project via the Admin API or the LangWatch UI.
    admin_api_key:
      type: http
      scheme: bearer
      description: >-
        Admin API key for organization-level operations (managing projects, API
        keys). Create one in Settings > API Keys or via POST /api/api-keys.
        Format: sk-lw-{id}_{secret}.

````