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

# Create a topic

> Creates a topic in this project to group prompts. A topic with the same name returns 409. Requires the prompts.write scope.



## OpenAPI

````yaml /openapi.json post /projects/{projectId}/visibility/topics
openapi: 3.1.0
info:
  title: DevTune API
  version: 2.0.0
  description: >-
    API for programmatic access to your AI visibility data, webhook
    subscriptions, and automation workflows. Use this API to integrate DevTune
    data into CI/CD pipelines, BI tools, AI agents, and operational systems.
servers:
  - url: https://devtune.ai/api/v2
    description: Production
security:
  - bearerAuth: []
paths:
  /projects/{projectId}/visibility/topics:
    post:
      summary: Create a topic
      description: >-
        Creates a topic in this project to group prompts. A topic with the same
        name returns 409. Requires the prompts.write scope.
      operationId: createTopic
      parameters:
        - name: projectId
          in: path
          required: true
          schema:
            type: string
            format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: false
              required:
                - name
              properties:
                name:
                  type: string
                  minLength: 1
                  maxLength: 200
                description:
                  type: string
                  maxLength: 2000
      responses:
        '201':
          description: The topic
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/TrackedTopicWrite'
                  meta:
                    $ref: '#/components/schemas/Meta'
                required:
                  - data
                  - meta
        '400':
          $ref: '#/components/responses/BadRequestError'
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '403':
          $ref: '#/components/responses/ForbiddenError'
        '409':
          $ref: '#/components/responses/ConflictError'
        '429':
          $ref: '#/components/responses/RateLimitExceededError'
components:
  schemas:
    TrackedTopicWrite:
      type: object
      additionalProperties: false
      required:
        - topic
      properties:
        topic:
          $ref: '#/components/schemas/TrackedTopicRecord'
    Meta:
      type: object
      properties:
        timestamp:
          type: string
          format: date-time
        projectId:
          type: string
          format: uuid
    TrackedTopicRecord:
      type: object
      additionalProperties: false
      required:
        - id
        - name
        - description
        - isActive
        - createdAt
        - updatedAt
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        description:
          type:
            - string
            - 'null'
        isActive:
          type: boolean
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
    Error:
      type: object
      properties:
        error:
          type: string
        message:
          type: string
        reason:
          type: string
          description: >-
            Why the request was refused, for an error with more than one cause,
            such as a refused content-draft start.
        details:
          type: object
          additionalProperties: true
          description: >-
            Machine-readable facts about the refusal, such as shortfall_credits
            when an Agent Picks start is refused for insufficient_credits.
        status:
          type: integer
      required:
        - error
        - message
        - status
  responses:
    BadRequestError:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    UnauthorizedError:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    ForbiddenError:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    ConflictError:
      description: Request conflicts with current resource state
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    RateLimitExceededError:
      description: Rate limit exceeded
      headers:
        X-RateLimit-Limit:
          $ref: '#/components/headers/X-RateLimit-Limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/X-RateLimit-Remaining'
        X-RateLimit-Reset:
          $ref: '#/components/headers/X-RateLimit-Reset'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  headers:
    X-RateLimit-Limit:
      description: Maximum requests per window
      schema:
        type: integer
    X-RateLimit-Remaining:
      description: Requests remaining in current window
      schema:
        type: integer
    X-RateLimit-Reset:
      description: Unix timestamp when the window resets
      schema:
        type: integer
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        API key with dtk_live_ prefix. Obtain it from API Keys in the account
        sidebar. New keys start with all supported scopes selected for the
        chosen project, and you can narrow them to specific read/write scopes as
        needed.

````

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