ad_accounts14

ad_groups13

ads10

advanced_auction2

audience_insights2

audience_sharing7

audiences4

billing11

boards11

bulk3

business_access_assets12

business_access_invite6

business_access_relationships9

campaigns8

catalog_feeds8

catalog_items3

catalog_product_groups10

catalog_reports3

catalog_supplemental7

catalogs3

conversion_deletion_requests4

conversion_eqs1

conversion_events1

conversion_tags5

conversions4

customer_list_uploads3

customer_lists4

customer_segment3

integrations7

keywords5

labels5

lead_ads4

lead_forms5

leads_export2

media3

msot_events1

notification1

oauth3

order_lines2

pins8

product_group_promotions5

product_tags3

promotions5

resources6

schedules3

search3

targeting_template3

terms2

terms_of_service1

trends4

user_account14

ad_groups

Changes to Get audience sizing

post/ad_accounts/{ad_account_id}/ad_groups/audience_sizing

Jun 4, 2026v5b698c180678a Revision changes
- breaking
  added to the request property allOf list
- breaking
  the request property // became not nullable
- breaking
  removed the enum value undefined of the request property //
- breaking
  the request property type changed from string to no type
- breaking
  the // request property type changed from no type to string
- warning
  removed from the request property allOf list
- info
  added the new optional request property /
- info
  added the new optional request property /
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  the response optional property became read-only for the status
- info
  the response optional property became read-only for the status
- info
  added the success response with the status
Dec 11, 2025v579f62f71f05b Revision changes
- breaking
  request body became required
Dec 10, 2025v56768e3ca1ffa Revision changes
- info
  added the new optional request property /
- info
  added the new optional request property /
Apr 4, 2025v510f9eba4ad97 Revision changes
- info
  the endpoint scheme security client_credentials was added to the API
- info
  added the new 19+ enum value to the request property //
- info
  added the new 20+ enum value to the request property //
Apr 23, 2024v5f9321315766f Revision changes
- info
  endpoint added