> ## 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.

# Get what-works recommendations

> Returns channel-level learnings from completed actions whose target URLs were marked as interventions, crawled after completion, and correlated with outcome metrics. If there is not enough intervention data yet, the endpoint returns an explanatory emptyState with the missing requirements and current counts.



## OpenAPI

````yaml /openapi.json get /projects/{projectId}/intelligence/what-works
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}/intelligence/what-works:
    get:
      summary: Get what-works recommendations
      description: >-
        Returns channel-level learnings from completed actions whose target URLs
        were marked as interventions, crawled after completion, and correlated
        with outcome metrics. If there is not enough intervention data yet, the
        endpoint returns an explanatory emptyState with the missing requirements
        and current counts.
      operationId: getWhatWorksRecommendations
      parameters:
        - name: projectId
          in: path
          required: true
          schema:
            type: string
            format: uuid
        - name: windowDays
          in: query
          schema:
            type: integer
            default: 30
            enum:
              - 30
              - 90
          description: >-
            Fixed rolling window in days. Supported values are 30 and 90.
            Defaults to 30.
        - name: limit
          in: query
          schema:
            type: integer
            default: 5
            minimum: 1
            maximum: 20
      responses:
        '200':
          description: What-works recommendations
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: object
                    properties:
                      recommendations:
                        type: array
                        items:
                          type: object
                          properties:
                            recommendation:
                              type: string
                            channel:
                              type: string
                            sampleSize:
                              type: integer
                            avgImpactScore:
                              type: number
                            avgMeasuredEffect:
                              type: number
                            lastCorrelatedAt:
                              type:
                                - string
                                - 'null'
                              format: date-time
                      hasCorrelatedData:
                        type: boolean
                      emptyState:
                        type:
                          - object
                          - 'null'
                        properties:
                          reason:
                            type: string
                            enum:
                              - no_marked_interventions
                              - no_correlated_interventions
                              - no_recent_correlations
                              - summary_not_refreshed
                          message:
                            type: string
                          requirements:
                            type: array
                            items:
                              type: string
                          counts:
                            type: object
                            properties:
                              markedInterventions:
                                type: integer
                              correlatedInterventions:
                                type: integer
                              recentEligibleCorrelations:
                                type: integer
                      window:
                        type: object
                        properties:
                          days:
                            type: integer
                          dateFrom:
                            type: string
                            format: date
                          dateTo:
                            type: string
                            format: date
                        required:
                          - days
                          - dateFrom
                          - dateTo
                  meta:
                    $ref: '#/components/schemas/Meta'
        '400':
          $ref: '#/components/responses/BadRequestError'
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '403':
          $ref: '#/components/responses/ForbiddenError'
        '429':
          $ref: '#/components/responses/RateLimitExceededError'
components:
  schemas:
    Meta:
      type: object
      properties:
        timestamp:
          type: string
          format: date-time
        projectId:
          type: string
          format: uuid
    Error:
      type: object
      properties:
        error:
          type: string
        message:
          type: string
        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'
    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.

````