openapi: 3.1.0
info:
  title: Facebook Business Manager Facebook Marketing Ad Accounts Ad Sets API
  description: Create and manage ad campaigns, analyze performance, and automate advertising workflows across Meta platforms. The Marketing API provides programmatic access to Facebook's advertising system, enabling businesses to create campaigns, ad sets, and ads, manage budgets and bidding strategies, define targeting audiences, and retrieve performance metrics.
  version: '25.0'
  contact:
    name: Meta Developer Support
    url: https://developers.facebook.com/support
  termsOfService: https://developers.facebook.com/terms
servers:
- url: https://graph.facebook.com/v25.0
  description: Facebook Graph API Production Server
security:
- bearerAuth: []
tags:
- name: Ad Sets
  description: Manage ad sets within campaigns, including targeting, budgets, scheduling, and optimization goals.
paths:
  /act_{ad_account_id}/adsets:
    get:
      operationId: listAdSets
      summary: Facebook Business Manager List ad sets
      description: Retrieves all ad sets for the specified ad account. Returns targeting, budget, scheduling, and optimization configurations.
      tags:
      - Ad Sets
      parameters:
      - $ref: '#/components/parameters/adAccountId'
      - $ref: '#/components/parameters/fields'
      - $ref: '#/components/parameters/limit'
      - $ref: '#/components/parameters/after'
      responses:
        '200':
          description: Successfully retrieved list of ad sets
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AdSetList'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createAdSet
      summary: Facebook Business Manager Create an ad set
      description: Creates a new ad set within a campaign. Defines targeting, budget, schedule, optimization goal, and bid strategy.
      tags:
      - Ad Sets
      parameters:
      - $ref: '#/components/parameters/adAccountId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AdSetCreate'
      responses:
        '200':
          description: Ad set created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /{ad_set_id}:
    get:
      operationId: getAdSet
      summary: Facebook Business Manager Get an ad set
      description: Retrieves the details of a specific ad set including targeting, budget, scheduling, and optimization settings.
      tags:
      - Ad Sets
      parameters:
      - $ref: '#/components/parameters/adSetId'
      - $ref: '#/components/parameters/fields'
      responses:
        '200':
          description: Successfully retrieved ad set details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AdSet'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      operationId: updateAdSet
      summary: Facebook Business Manager Update an ad set
      description: Updates an existing ad set. Supports modifying targeting, budget, schedule, and optimization settings.
      tags:
      - Ad Sets
      parameters:
      - $ref: '#/components/parameters/adSetId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AdSetUpdate'
      responses:
        '200':
          description: Ad set updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    PagingCursors:
      type: object
      properties:
        before:
          type: string
          description: Cursor pointing to the start of the current page
        after:
          type: string
          description: Cursor pointing to the end of the current page
    AdSetCreate:
      type: object
      required:
      - name
      - campaign_id
      - optimization_goal
      - billing_event
      - targeting
      - status
      properties:
        name:
          type: string
        campaign_id:
          type: string
        optimization_goal:
          type: string
          enum:
          - LINK_CLICKS
          - IMPRESSIONS
          - REACH
          - LANDING_PAGE_VIEWS
          - OFFSITE_CONVERSIONS
          - LEAD_GENERATION
          - APP_INSTALLS
          - VALUE
        billing_event:
          type: string
          enum:
          - IMPRESSIONS
          - LINK_CLICKS
        targeting:
          type: object
          description: Targeting specification
        status:
          type: string
          enum:
          - ACTIVE
          - PAUSED
        daily_budget:
          type: string
        lifetime_budget:
          type: string
        bid_amount:
          type: integer
        bid_strategy:
          type: string
          enum:
          - LOWEST_COST_WITHOUT_CAP
          - LOWEST_COST_WITH_BID_CAP
          - COST_CAP
        start_time:
          type: string
          format: date-time
        end_time:
          type: string
          format: date-time
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              description: Human-readable error message
            type:
              type: string
              description: Error type classification
            code:
              type: integer
              description: Numeric error code
            error_subcode:
              type: integer
              description: Numeric error subcode for more specific categorization
            fbtrace_id:
              type: string
              description: Unique trace ID for debugging with Facebook support
    AdSetList:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/AdSet'
        paging:
          $ref: '#/components/schemas/Paging'
    Paging:
      type: object
      properties:
        cursors:
          $ref: '#/components/schemas/PagingCursors'
        next:
          type: string
          description: URL for the next page of results
        previous:
          type: string
          description: URL for the previous page of results
    SuccessResponse:
      type: object
      properties:
        success:
          type: boolean
          description: Whether the operation was successful
    AdSet:
      type: object
      properties:
        id:
          type: string
          description: The ID of the ad set
        name:
          type: string
          description: The name of the ad set
        campaign_id:
          type: string
          description: The ID of the parent campaign
        status:
          type: string
          enum:
          - ACTIVE
          - PAUSED
          - DELETED
          - ARCHIVED
        effective_status:
          type: string
          description: Effective status considering parent statuses
        daily_budget:
          type: string
          description: Daily budget in smallest currency unit
        lifetime_budget:
          type: string
          description: Lifetime budget in smallest currency unit
        optimization_goal:
          type: string
          description: The optimization goal for ad delivery
          enum:
          - LINK_CLICKS
          - IMPRESSIONS
          - REACH
          - LANDING_PAGE_VIEWS
          - OFFSITE_CONVERSIONS
          - LEAD_GENERATION
          - APP_INSTALLS
          - VALUE
        billing_event:
          type: string
          description: The event used for billing
          enum:
          - IMPRESSIONS
          - LINK_CLICKS
        bid_amount:
          type: integer
          description: Bid amount in smallest currency unit
        bid_strategy:
          type: string
          description: Bidding strategy for the ad set
          enum:
          - LOWEST_COST_WITHOUT_CAP
          - LOWEST_COST_WITH_BID_CAP
          - COST_CAP
        targeting:
          type: object
          description: Targeting specification for the ad set
          properties:
            age_min:
              type: integer
              minimum: 18
            age_max:
              type: integer
              maximum: 65
            genders:
              type: array
              items:
                type: integer
            geo_locations:
              type: object
              properties:
                countries:
                  type: array
                  items:
                    type: string
            interests:
              type: array
              items:
                type: object
                properties:
                  id:
                    type: string
                  name:
                    type: string
        start_time:
          type: string
          format: date-time
        end_time:
          type: string
          format: date-time
        created_time:
          type: string
          format: date-time
        updated_time:
          type: string
          format: date-time
    CreateResponse:
      type: object
      properties:
        id:
          type: string
          description: The ID of the newly created object
    AdSetUpdate:
      type: object
      properties:
        name:
          type: string
        status:
          type: string
          enum:
          - ACTIVE
          - PAUSED
          - DELETED
          - ARCHIVED
        daily_budget:
          type: string
        lifetime_budget:
          type: string
        targeting:
          type: object
        bid_amount:
          type: integer
        end_time:
          type: string
          format: date-time
  responses:
    NotFound:
      description: The requested resource was not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Invalid request parameters or malformed request body
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Invalid or expired access token
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    adAccountId:
      name: ad_account_id
      in: path
      required: true
      description: The ID of the ad account (numeric, without the act_ prefix)
      schema:
        type: string
    after:
      name: after
      in: query
      required: false
      description: Cursor for pagination to retrieve the next page of results
      schema:
        type: string
    adSetId:
      name: ad_set_id
      in: path
      required: true
      description: The ID of the ad set
      schema:
        type: string
    fields:
      name: fields
      in: query
      required: false
      description: Comma-separated list of fields to include in the response. If omitted, default fields are returned.
      schema:
        type: string
    limit:
      name: limit
      in: query
      required: false
      description: Maximum number of objects to return per page. Default is 25.
      schema:
        type: integer
        default: 25
        maximum: 100
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: OAuth 2.0 access token with ads_management or ads_read permissions. Obtain tokens via the Facebook Login flow.
externalDocs:
  description: Facebook Marketing API Documentation
  url: https://developers.facebook.com/docs/marketing-api